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1.
  • Schindler, Karin, et al. (författare)
  • nutritionDay : 10 years of growth
  • 2017
  • Ingår i: Clinical Nutrition. - : Elsevier. - 0261-5614 .- 1532-1983. ; 36:5, s. 1207-1214
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND & AIMS: Despite high prevalence at hospital admission, disease related malnutrition (DRM) remains under recognized and undertreated. DRM is associated with increased morbidity, hospital readmission rate, and burden for the healthcare system. The compelling need to increase awareness and knowledge through an international survey has triggered the launch of the nutritionDay (ND) concept.METHODS: ND is a worldwide annual systematic collection and analysis of data in hospital wards, intensive care units and nursing homes. ND is based on questionnaires to systematically collect and analyze the patient's characteristics, food intake and nutrition support, as well as the determinants of their environment (facility, health care personal, etc …). Questionnaires, outcome documentation sheets and step-by-step guidance are available as download in 30 languages.RESULTS: ND has described the nutritional status and behavior of over 150,000 hospitalized patients and nursing home's patients in over 56 participating countries. These data allowed a local, regional, national and international benchmarking at different levels (i.e. type of medical pathologies, care facilities, etc.) and over time. Sixteen peer-reviewed publications have already been released and picture the international scene of DRM.CONCLUSION: This review presents the 10-year of the ND project development and shows how ND serves all health care professionals to optimize nutrition care and nutrition related structures. ND keeps progressing and is likely to become a standard tool for determining the nutritional status and behavior of hospitalized patients and nursing home's population.
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2.
  • Aahlin, Eirik K, et al. (författare)
  • Functional recovery is considered the most important target : a survey of dedicated professionals
  • 2014
  • Ingår i: Perioperative medicine. - London, United Kingdom : BioMed Central. - 2047-0525. ; 3
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The aim of this study was to survey the relative importance of postoperative recovery targets and perioperative care items, as perceived by a large group of international dedicated professionals.Methods: A questionnaire with eight postoperative recovery targets and 13 perioperative care items was mailed to participants of the first international Enhanced Recovery After Surgery (ERAS) congress and to authors of papers with a clear relevance to ERAS in abdominal surgery. The responders were divided into categories according to profession and region.Results: The recovery targets 'To be completely free of nausea', 'To be independently mobile' and 'To be able to eat and drink as soon as possible' received the highest score irrespective of the responder's profession or region of origin. Equally, the care items 'Optimizing fluid balance', 'Preoperative counselling' and 'Promoting early and scheduled mobilisation' received the highest score across all groups.Conclusions: Functional recovery, as in tolerance of food without nausea and regained mobility, was considered the most important target of recovery. There was a consistent uniformity in the way international dedicated professionals scored the relative importance of recovery targets and care items. The relative rating of the perioperative care items was not dependent on the strength of evidence supporting the items.
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3.
  • Ah, Rebecka, et al. (författare)
  • Prognostic Value of P-POSSUM and Osteopenia for Predicting Mortality After Emergency Laparotomy in Geriatric Patients
  • 2019
  • Ingår i: Bulletin of emergency and trauma. - : Shiraz University of Medical Sciences. - 2322-2522 .- 2322-3960. ; 7:3, s. 223-231
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To evaluate the Portsmouth-Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity (P-POSSUM) in comparison with other risk factors for mortality including osteopenia as an indicator for frailty in geriatric patients subjected to emergency laparotomy.Methods: All geriatric patients (≥65 years) undergoing emergency laparotomy at a single university hospital between 1/2015 and 12/2016 were included in this cohort study. Demographics and outcomes were retrospectively collected from medical records. Association between prognostic markers and 30-day mortality was assessed using Poisson and backward stepwise regression models. Prognostic value was assessed using receiver operating characteristic (ROC) curves.Results: =0.004) while osteopenia was not. P-POSSUM had poor prognostic value for 30-day mortality with an area under the ROC curve (AUC) of 0.59. The prognostic value of P-POSSUM improved significantly when adjusting for patient covariates (AUC=0.83).Conclusion: P-POSSUM and osteopenia alone hardly predict 30-day mortality in geriatric patients following emergency laparotomy. P-POSSUM adjusted for other patient covariates improves the prediction.
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4.
  • Ahl, Rebecka, 1987-, et al. (författare)
  • Does beta-blockade reduce the risk of depression in patients with isolated severe extracranial injuries?
  • 2017
  • Ingår i: World Journal of Surgery. - New York : Springer. - 0364-2313 .- 1432-2323. ; 41:7, s. 1801-1806
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Approximately half of trauma patients develop post-traumatic depression. It is suggested that beta-blockade impairs trauma memory recollection, reducing depressive symptoms. This study investigates the effect of early beta-blockade on depression following severe traumatic injuries in patients without significant brain injury.METHODS: Patients were identified by retrospectively reviewing the trauma registry at an urban university hospital between 2007 and 2011. Severe extracranial injuries were defined as extracranial injuries with Abbreviated Injury Scale score ≥3, intracranial Abbreviated Injury Scale score <3 and an Injury Severity Score ≥16. In-hospital deaths and patients prescribed antidepressant therapy ≤1 year prior to admission were excluded. Patients were stratified into groups based on pre-admission beta-blocker status. The primary outcome was post-traumatic depression, defined as receiving antidepressants ≤1 year following trauma.RESULTS: Five hundred and ninety-six patients met the inclusion criteria with 11.4% prescribed pre-admission beta-blockade. Patients receiving beta-blockers were significantly older (57 ± 18 vs. 42 ± 17 years, p < 0.001) with lower Glasgow Coma Scale score (12 ± 3 vs. 14 ± 2, p < 0.001). The beta-blocked cohort spent significantly longer in hospital (21 ± 20 vs. 15 ± 17 days, p < 0.01) and intensive care (4 ± 7 vs. 3 ± 5 days, p = 0.01). A forward logistic regression model was applied and predicted lack of beta-blockade to be associated with increased risk of depression (OR 2.7, 95% CI 1.1-7.2, p = 0.04). After adjusting for group differences, patients lacking beta-blockers demonstrated an increased risk of depression (AOR 3.3, 95% CI 1.2-8.6, p = 0.02).CONCLUSIONS: Pre-admission beta-blockade is associated with a significantly reduced risk of depression following severe traumatic injury. Further investigation is needed to determine the beneficial effects of beta-blockade in these instances.
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5.
  • Ahl, Rebecka, 1987-, et al. (författare)
  • Effect of beta-blocker therapy on early mortality after emergency colonic cancer surgery
  • 2019
  • Ingår i: British Journal of Surgery. - : John Wiley & Sons. - 0007-1323 .- 1365-2168. ; 106:4, s. 477-483
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Emergency colorectal cancer surgery is associated with significant mortality. Induced adrenergic hyperactivity is thought to be an important contributor. Downregulating the effects of circulating catecholamines may reduce the risk of adverse outcomes. This study assessed whether regular preoperative beta-blockade reduced mortality after emergency colonic cancer surgery.METHODS: This cohort study used the prospectively collected Swedish Colorectal Cancer Registry to recruit all adult patients requiring emergency colonic cancer surgery between 2011 and 2016. Patients were subdivided into those receiving regular beta-blocker therapy before surgery and those who were not (control). Demographics and clinical outcomes were compared. Risk factors for 30-day mortality were evaluated using Poisson regression analysis.RESULTS: A total of 3187 patients were included, of whom 685 (21·5 per cent) used regular beta-blocker therapy before surgery. The overall 30-day mortality rate was significantly reduced in the beta-blocker group compared with controls: 3·1 (95 per cent c.i. 1·9 to 4·7) versus 8·6 (7·6 to 9·8) per cent respectively (P < 0·001). Beta-blocker therapy was the only modifiable protective factor identified in multivariable analysis of 30-day all-cause mortality (incidence rate ratio 0·31, 95 per cent c.i. 0·20 to 0·47; P < 0·001) and was associated with a significant reduction in death of cardiovascular, respiratory, sepsis and multiple organ failure origin.CONCLUSION: Preoperative beta-blocker therapy may be associated with a reduction in 30-day mortality following emergency colonic cancer surgery.
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6.
  • Ahl, Rebecka, 1987-, et al. (författare)
  • Effects of beta-blocker therapy on mortality after elective colon cancer surgery : a Swedish nationwide cohort study
  • 2020
  • Ingår i: BMJ Open. - : BMJ Publishing Group Ltd. - 2044-6055. ; 10:7
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Colon cancer surgery remains associated with substantial postoperative morbidity and mortality despite advances in surgical techniques and care. The trauma of surgery triggers adrenergic hyperactivation which drives adverse stress responses. We hypothesised that outcome benefits are gained by reducing the effects of hyperadrenergic activity with beta-blocker therapy in patients undergoing colon cancer surgery. This study aims to test this hypothesis.DESIGN: Retrospective cohort study.SETTING AND PARTICIPANTS: This is a nationwide study which includes all adult patients undergoing elective colon cancer surgery in Sweden over 10 years. Patient data were collected from the Swedish Colorectal Cancer Registry. The national drugs registry was used to obtain information about beta-blocker use. Patients were subdivided into exposed and unexposed groups. The association between beta-blockade, short-term and long-term mortality was evaluated using Poisson regression, Kaplan-Meier curves and Cox regression.PRIMARY AND SECONDARY OUTCOMES: Primary outcome of interest was 1-year all-cause mortality. Secondary outcomes included 90-day all-cause and 5-year cancer-specific mortality.RESULTS: The study included 22 337 patients of whom 36.1% were prescribed preoperative beta-blockers. Survival was higher in patients on beta-blockers up to 1 year after surgery despite this group being significantly older and of higher comorbidity. Regression analysis demonstrated significant reductions in 90-day deaths (IRR 0.29, 95% CI 0.24 to 0.35, p<0.001) and a 43% risk reduction in 1-year all-cause mortality (adjusted HR 0.57, 95% CI 0.52 to 0.63, p<0.001) in beta-blocked patients. In addition, cancer-specific mortality up to 5 years after surgery was reduced in beta-blocked patients (adjusted HR 0.80, 95% CI 0.73 to 0.88, p<0.001).CONCLUSION: Preoperative beta-blockade is associated with significant reductions in postoperative short-term and long-term mortality following elective colon cancer surgery. Its potential prophylactic effect warrants further interventional studies to determine whether beta-blockade can be used as a way of improving outcomes for this patient group.
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7.
  • Ahl, Rebecka, 1987- (författare)
  • The Association Between Beta-Blockade and Clinical Outcomes in the Context of Surgical and Traumatic Stress
  • 2019
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Traumatic injury and major abdominal surgery are areas in general surgery associated with high rates of morbidity and mortality. The overall colorectal cancer surgery mortality rate is around 4%, with that for emergency surgery more than twice as high as for planned. Surgical morbidity varies between 25% and 45%. Around half of trauma patients develop low mood. In one quarter of patients this becomes permanent. Depression is known to impede physical rehabilitation and recovery. The onset of physiological stress, driven by adrenergic hyperactivity following traumatic and surgical injury is hypothesized to contribute to these adverse outcomes. Interest has therefore been sparked into blocking adrenergic receptor activation.Papers I and II investigated the role of beta-blocker therapy in preventing post-traumatic depression following severe traumatic brain injury (Paper I) and severe extracranial injury (Paper II). The Karolinska University Hospital Trauma Registry was used to identify patients admitted between 2007 and 2011. In Paper I (n = 545), patients on pre-injury beta-blocker therapy were matched to beta-blocker naïve patients with equivalent injury burden. Results revealed that beta-blocked patients exhibited a 60% reduced risk of needing antidepressant therapy within one year of trauma. In Paper II (n = 596), the lack of beta-blocker use before extracranial trauma was linked to a three-fold increase in the risk of antidepressant initiation.Papers III-V explored the role of pre-operative beta-blocker therapy in patients undergoing surgery for colorectal cancer between 2007 and 2016, identified using the nationwide Swedish Colorectal Cancer Registry. Paper III (n = 3,187) identified a 69% reduction in the risk of 30-day mortality in beta-blocked patients. Paper IV (n = 22,337) outlined long-term survival benefits for patients on beta-blocker therapy prior to undergoing elective surgery for colon cancer. Beta-blocked patients showed a risk reduction of 42% for 1-year all-cause mortality and 18% for 5-year cancerspecific mortality. Similarly, patients on beta-blocker therapy who underwent surgery for rectal cancer demonstrated improved survival up to one year after surgery with a risk reduction of 57% and a reduction in anastomotic failure and infectious complications in Paper V (n = 11,966).
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9.
  • Ahl, Rebecka, 1987-, et al. (författare)
  • The Relationship Between Severe Complications, Beta-Blocker Therapy and Long-Term Survival Following Emergency Surgery for Colon Cancer
  • 2019
  • Ingår i: World Journal of Surgery. - : Springer. - 0364-2313 .- 1432-2323. ; 43:10, s. 2527-2535
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Emergency surgery for colon cancer carries significant morbidity, and studies show more than doubled mortality when comparing elective to emergency surgery. The relationship between postoperative complications and survival has been outlined. Beta-blocker therapy has been linked to improved postoperative outcomes. This study aims to assess the impact of postoperative complications on long-term survival following emergency surgery for colon cancer and to determine whether beta-blockade can reduce complications.STUDY DESIGN: This cohort study utilized the prospective Swedish Colorectal Cancer Registry to identify adults undergoing emergency colon cancer surgery between 2011 and 2016. Prescription data for preoperative beta-blocker therapy were collected from the national drug registry. Cox regression was used to evaluate the effect of beta-blocker exposure and complications on 1-year mortality, and Poisson regression was used to evaluate beta-blocker exposure in patients with major complications.RESULTS: A total of 3139 patients were included with a mean age of 73.1 [12.4] of which 671 (21.4%) were prescribed beta-blockers prior to surgery. Major complications occurred in 375 (11.9%) patients. Those suffering major complications showed a threefold increase in 1-year mortality (adjusted HR = 3.29; 95% CI 2.75-3.94; p < 0.001). Beta-blocker use was linked to a 60% risk reduction in 1-year mortality (adjusted HR = 0.40; 95% CI 0.26-0.62; p < 0.001) but did not show a statistically significant association with reductions in major complications (adjusted IRR = 0.77; 95% CI 0.59-1.00; p = 0.055).CONCLUSION: The development of major complications after emergency colon cancer surgery is associated with increased mortality during one year after surgery. Beta-blocker therapy may protect against postoperative complications.
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10.
  • Ahl, Rebecka, 1987-, et al. (författare)
  • β-Blockade in Rectal Cancer Surgery : A Simple Measure of Improving Outcomes
  • 2020
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 271:1, s. 140-146
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To ascertain whether regular β-blocker exposure can improve short- and long-term outcomes after rectal cancer surgery.BACKGROUND: Surgery for rectal cancer is associated with substantial morbidity and mortality. There is increasing evidence to suggest that there is a survival benefit in patients exposed to β-blockers undergoing non-cardiac surgery. Studies investigating the effects on outcomes in patients subjected to surgery for rectal cancer are lacking.METHODS: All adult patients undergoing elective abdominal resection for rectal cancer over a 10-year period were recruited from the prospectively collected Swedish Colorectal Cancer Registry. Patients were subdivided according to preoperative β-blocker exposure status. Outcomes of interest were 30-day complications, 30-day cause-specific mortality, and 1-year all-cause mortality. The association between β-blocker use and outcomes were analyzed using Poisson regression model with robust standard errors for 30-day complications and cause-specific mortality. One-year survival was assessed using Cox proportional hazards regression model.RESULTS: A total of 11,966 patients were included in the current study, of whom 3513 (29.36%) were exposed to regular preoperative β-blockers. A significant decrease in 30-day mortality was detected (incidence rate ratio = 0.06, 95% confidence interval: 0.03-0.13, P < 0.001). Deaths of cardiovascular nature, respiratory origin, sepsis, and multiorgan failure were significantly lower in β-blocker users, as were the incidences in postoperative infection and anastomotic failure. The β-blocker positive group had significantly better survival up to 1 year postoperatively with a risk reduction of 57% (hazard ratio = 0.43, 95% confidence interval: 0.37-0.52, P < 0.001).CONCLUSIONS: Preoperative β-blocker use is strongly associated with improved survival and morbidity after abdominal resection for rectal cancer.
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11.
  • Ahlman, B., et al. (författare)
  • Elective abdominal surgery alters the free amino acid content of the human intestinal mucosa
  • 1995
  • Ingår i: European Journal of Surgery. - Stockholm, Sweden : Taylor & Francis. - 1102-4151 .- 1741-9271. ; 161:8, s. 593-601
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To assess the impact of a standard moderately severe surgical operation on the mucosal amino acid content of the duodenum and the colon.Design: Open study.Setting: University hospital, Sweden.Subjects: Nine patients who were to undergo elective open cholecystectomy.Interventions: Endoscopically obtained biopsy specimens from the intestinal mucosa. Main outcome measures: Changes in the content of free amino acids in the duodenum and colon at three days postoperatively.Results: The concentration of glutamine in the duodenum increased by 27% and that of glutamic acid by 34% after operation, whereas their content in colon remained unaltered. The concentration of branched chain amino acids increased by 26% in the duodenal mucosa after operation and by 24% in the colonic mucosa. The total concentration of amino acids (excluding taurine) increased by 9% in the duodenum, but remained unaltered in the colon.Conclusion: This study shows characteristic and consistent alterations in the free amino acid content of the intestinal tract after a moderately severe operation.
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12.
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13.
  • Ahlman, B., et al. (författare)
  • Intestinal amino acid content in critically ill patients
  • 1995
  • Ingår i: JPEN - Journal of Parenteral and Enteral Nutrition. - : American Society for Parenteral & Enteral Nutrition. - 0148-6071 .- 1941-2444. ; 19:4, s. 272-278
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The purpose of the study was to determine the concentrations of free amino acids and the total protein content of the human intestinal mucosa during critical illness. Methods: The free amino acid and protein concentrations in endoscopically obtained biopsy specimens from the duodenum and the distal colonic segments were determined on 19 critically ill patients. The free amino acids were separated by ion exchange chromatography and detected by fluorescence, and the protein content was quantified by the method of Lowry. Results: In general, the typical amino acid pattern of the intestinal mucosa was seen, with very high levels of taurine, aspartate and glutamic acid. The main difference, as compared to a reference series of healthy subjects, was the elevated glutamine concentration of the duodenal mucosa. This amino acid was unaltered in the descending colon and depressed in the rectum. At the same time, the glutamatic acid concentrations were unaltered, suggesting that the degradation of glutamine was not increased in the septic state of the majority of the patients studied. Phenylalanine and the two branched-chain amino acids, valine and leucine, were elevated in the duodenal mucosa, and in the colonic mucosa, methionine and phenylalanine were elevated; otherwise, all the other individual amino acids were unaltered or depressed. Conclusions: The alterations seen in mucosal free amino acid and protein concentrations in connection with critical illness are different in many respects and contrast with the findings seen after starvation or moderate surgical trauma.
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14.
  • Ahlman, B., et al. (författare)
  • Short-term starvation alters the free amino acid content of human intestinal mucosa
  • 1994
  • Ingår i: Clinical Science. - : Portland Press. - 0143-5221 .- 1470-8736. ; 86:6, s. 653-662
  • Tidskriftsartikel (refereegranskat)abstract
    • 1. The effects of short-term starvation and refeeding on the free amino acid concentrations of the intestinal mucosa were characterized in male subjects (n=6), using endoscopically obtained biopsy specimens from the duodenum and from all four segments of the colon.2. The alterations in the amino acid concentrations in response to short-term starvation were overall uniform in both duodenal and colonic mucosa as well as in plasma. Most amino acids decreased, whereas branched-chain amino acids increased.3. In the colon, glutamic acid and glutamine decreased during the starvation period, whereas they remained unaltered in the duodenum. This was the major difference in response to short-term starvation between the amino acid concentrations in the intestinal mucosa of the duodenum and colon.4. Refeeding for 3 days normalized the amino acid concentrations except for glutamic acid, asparagine and histidine, which remained low in the colon, and threonine, which showed an overshoot in both parts of the intestine. S. The changes in mucosal amino acid concentrations seen in response to starvation and refeeding were uniform in the four segments of the colon. This suggests that sampling from the rectum/sigmoid colon will give representative values for the free amino acid concentrations of the entire large intestine.
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15.
  • Alibegovic, A., et al. (författare)
  • Pretreatment with glucose infusion prevents fatal outcome after hemorrhage in food deprived rats
  • 1993
  • Ingår i: Circulatory Shock. - Hoboken, NJ, USA : John Wiley & Sons. - 0092-6213. ; 39:1, s. 1-6
  • Tidskriftsartikel (refereegranskat)abstract
    • Twenty-four hour food deprivation increases mortality after experimental hemorrhage. Survival after hemorrhage is closely related to the capacity of the animal to develop hyperglycemia. In this study, 24 hr food deprived rats were given a 3-hr infusion of either 0.3 ml/100 g b.wt./h 30% glucose iv (n = 10) or the same volume of 0.9% NaCl (n = 10) prior to 60 min of standardized hemorrhage. Glucose infusion resulted in a transient hyperglycemia, and 600% greater hepatic glycogen content compared to saline (P < 0.001). During hemorrhage, glucose-treated rats developed substantial hyperglycemia while glucose levels fell in saline treated (P < 0.001). Concomitant developments in hematocrits indicated improved plasma refill in glucose treated animals (P < 0.01). While saline treated rats developed irreversible shock and died within 3 hr of bleeding, glucose treated rats had a MAP of 52 ± 2 (mean ± SEM) mm Hg by the end of hemorrhage (P < 0.01). All glucose-treated rats recovered and survived the seven-day observation period. It is concluded that glucose infusion leading to hepatic glycogen repletion alters outcome after experimental hemorrhage in food deprived animals. These experimental results may be of clinical relevance, since elective surgery is generally performed after overnight fasting, which substantially reduces the hepatic glycogen reserve.
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16.
  • Alibegovic, A., et al. (författare)
  • The effect of alpha 2 receptor agonists on central haemodynamic and blood glucose during hemorrhagic stress in the rat
  • 1998
  • Ingår i: Surgical Research Communications. - : Harwood Academic. - 0882-9233. ; 9:2-4, s. 151-164
  • Tidskriftsartikel (refereegranskat)abstract
    • The effect of the selective alpha 2 agonist Mivazerol on catecholamine levels in plasma, and on central hemodynamics and blood glucose levels developments during hemorrhagic stress in rats was investigated. The animals were randomly given either saline, low dose of Mivazerol (0.6 μg/ml) or high dose (2.0 μg/ml) at a rate of 30 μl/100 g/min, beginning the infusions intravenously 30 min before onset and throughout 60 min of hemorrhagic stress. Before hemorrhage, Mivazerol raised mean arterial pressure, and reduced heart rate, adrenaline and noradrenaline levels in a dose dependent fashion. High dose infusion also resulted in an elevation in blood glucose. During hemorrhage, the high dose effectively dampened the catecholamine response. Simultaneously, the same group maintained better mean arterial pressure in response to hemorrhage. Blood glucose levels were elevated to similar levels regardless of treatment. These data indicate that Mivazerol effectively reduced the catecholamine response to severe hemorrhagic stress, while central hemodynamic and blood glucose responses were maintained or improved.
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17.
  • Alston-Smith, J, et al. (författare)
  • Endotoxin, epinephrine, glucagon, insulin and calcium ionophore A23187 modulation of pyruvate kinase activity in cultured rat hepatocytes
  • 1990
  • Ingår i: Acta chirurgica Scandinavica. - : Taylor & Francis. ; 156:10, s. 677-681, s. 677-681
  • Tidskriftsartikel (refereegranskat)abstract
    • Altered glucose metabolism is one of the commonly observed sequelae of sepsis and septic shock. The present investigation was undertaken to determine the role of endotoxin (ET) upon hepatocyte glucoregulation, by measuring the activity of pyruvate kinase (PK), a key glycolytic enzyme. Hepatocytes were exposed to endotoxin concentrations known to occur in vivo during sepsis, i.e., from 1 X 10(-14) to 1 X 10(-8) g/ml. The alteration of the enzyme activities after addition of epinephrine, glucagon, insulin and calcium ionophore A23187 with and without ET preincubation were also examined. ET alone decreased the PK activity by 12% at all concentrations tested. The basal inhibition of the enzyme caused by epinephrine (-48%) was partially blocked by ET preincubation above 1 X 10(-10) g/ml. There were no ET-(glucagon, calcium ionophore, insulin) interaction. These in vitro results do not support pyruvate kinase as a site of hepatic enzyme regulation defect in endotoxaemia. 
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19.
  • Aronson, D., et al. (författare)
  • Extracellular-regulated protein kinase cascades are activated in response to injury in human skeletal muscle
  • 1998
  • Ingår i: American Journal of Physiology. - : HighWire Press. - 0002-9513 .- 2163-5773. ; 275:2, s. C555-C561
  • Tidskriftsartikel (refereegranskat)abstract
    • The mitogen-activated protein (MAP) kinase signaling pathways are believed to act as critical signal transducers between stress stimuli and transcriptional responses in mammalian cells. However, it is not known whether these signaling cascades also participate in the response to injury in human tissues. To determine whether injury to the vastus lateralis muscle activates MAP kinase signaling in human subjects, two needle biopsies or open muscle biopsies were taken from the same incision site 30-60 min apart. The muscle biopsy procedures resulted in striking increases in dual phosphorylation of the extracellular-regulated kinases (ERK1 and ERK2) and in activity of the downstream substrate, the p90 ribosomal S6 kinase. Raf-1 kinase and MAP kinase kinase, upstream activators of ERK, were also markedly stimulated in all subjects. In addition, c-Jun NH2-terminal kinase and p38 kinase, components of two parallel MAP kinase pathways, were activated following muscle injury. The stimulation of the three MAP kinase cascades was present only in the immediate vicinity of the injury, a finding consistent with a local rather than systemic activation of these signaling cascades in response to injury. These data demonstrate that muscle injury induces the stimulation of the three MAP kinase cascades in human skeletal muscle, suggesting a physiological relevance of these protein kinases in the immediate response to tissue injury and possibly in the initiation of wound healing.
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20.
  • Asklid, Daniel, et al. (författare)
  • Risk Factors for Anastomotic Leakage in Patients with Rectal Tumors Undergoing Anterior Resection within an ERAS Protocol : Results from the Swedish ERAS Database
  • 2021
  • Ingår i: World Journal of Surgery. - : Springer. - 0364-2313 .- 1432-2323. ; 45:6, s. 1630-1641
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Research on risk factors for anastomotic leakage (AL) alone within an Enhanced Recovery After Surgery (ERAS) protocol has not yet been conducted. The aim of this study was to identify risk factors for AL and study short-term outcome after AL in patients operated with anterior resection (AR).METHODS: All prospectively and consecutively recorded patients operated with AR in the Swedish part of the international ERAS® Interactive Audit System (EIAS) between January 2010 and February 2020 were included. The cohort was evaluated regarding risk factors for AL and short-term outcomes, including uni- and multivariate analysis. Pre-, intra- and postoperative compliance to ERAS®Society guidelines was calculated and evaluated.RESULTS: Altogether 1900 patients were included, 155 (8.2%) with AL and 1745 without AL. Male gender, obesity, peritoneal contamination, year of surgery 2016-2020, duration of primary surgery and age remained significant predictors for AL in multivariate analysis. There was no significant difference in overall pre- and intraoperative compliance to ERAS®Society guidelines between groups. Only preadmission patient education remained as a significant ERAS variable associated with less AL. AL was associated with longer length of stay (LOS), higher morbidity rate and higher rate of reoperations.CONCLUSION: Male gender, obesity, peritoneal contamination, duration of surgery, surgery later in study period, age and preadmission patient education were associated with AL in patients operated on with AR. Overall pre- and intraoperative compliance to the ERAS protocol was high in both groups and not associated with AL.
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21.
  • Asklid, Daniel, et al. (författare)
  • Short-term outcome in robotic vs laparoscopic and open rectal tumor surgery within an ERAS protocol : a retrospective cohort study from the Swedish ERAS database
  • 2022
  • Ingår i: Surgical Endoscopy. - : Springer. - 0930-2794 .- 1432-2218. ; 36:3, s. 2006-2017
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Advantages of robotic technique over laparoscopic technique in rectal tumor surgery have yet to be proven. Large multicenter, register-based cohort studies within an optimized perioperative care protocol are lacking. The aim of this retrospective cohort study was to compare short-term outcomes in robotic, laparoscopic and open rectal tumor resections, while also determining compliance to the enhanced recovery after surgery (ERAS)®Society Guidelines.METHODS: All patients scheduled for rectal tumor resection and consecutively recorded in the Swedish part of the international ERAS® Interactive Audit System between January 1, 2010 to February 27, 2020, were included (N = 3125). Primary outcomes were postoperative complications and length of stay (LOS) and secondary outcomes compliance to the ERAS protocol, conversion to open surgery, symptoms delaying discharge and reoperations. Uni- and multivariate comparisons were used.RESULTS: Robotic surgery (N = 827) had a similar rate of postoperative complications (Clavien-Dindo grades 1-5), 35.9% compared to open surgery (N = 1429) 40.9% (OR 1.15, 95% CI (0.93, 1.41)) and laparoscopic surgery (N = 869) 31.2% (OR 0.88, 95% CI (0.71, 1.08)). LOS was longer in the open group, median 9 days (IRR 1.35, 95% CI (1.27, 1.44)) and laparoscopic group, 7 days (IRR 1.14, 95% CI (1.07, 1.21)) compared to the robotic group, 6 days. Pre- and intraoperative compliance to the ERAS protocol were similar between groups.CONCLUSIONS: In this multicenter cohort study, robotic surgery was associated with shorter LOS compared to both laparoscopic and open surgery and had lower conversion rates vs laparoscopic surgery. The rate of complications was similar between groups.
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22.
  • Awad, Sherif, et al. (författare)
  • A meta-analysis of randomised controlled trials on preoperative oral carbohydrate treatment in elective surgery
  • 2013
  • Ingår i: Clinical Nutrition. - : Elsevier BV. - 0261-5614 .- 1532-1983. ; 32:1, s. 34-44
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND & AIMS: Whilst preoperative carbohydrate treatment (PCT) results in beneficial physiological effects, the effects on postoperative clinical outcomes remain unclear and were studied in this meta-analysis.METHODS: Prospective studies that randomised adult non-diabetic patients to either PCT (≥50 g oral carbohydrates 2-4 h pre-anaesthesia) or control (fasted/placebo) were included. The primary outcome was length of hospital stay. Secondary outcomes included development of postoperative insulin resistance, complications, nausea and vomiting. Methodological quality was assessed using GRADEpro(®) software.RESULTS: Twenty-one randomised studies of 1685 patients (733 PCT: 952 control) were included. No overall difference in length of stay was noted for analysis of all studies or subgroups of patients undergoing surgery with an expected hospital stay ≤2 days or orthopaedic procedures. However, patients undergoing major abdominal surgery following PCT had reduced length of stay [mean difference, 95% confidence interval: -1.08 (-1.87 to -0.29); I(2) = 60%, p = 0.007]. PCT reduced postoperative insulin resistance with no effects on in-hospital complications over control (risk ratio, 95% confidence interval, 0.88 (0.50-1.53), I(2) = 41%; p = 0.640). There was significant heterogeneity amongst studies and, therefore, quality of evidence was low to moderate.CONCLUSIONS: PCT may be associated with reduced length of stay in patients undergoing major abdominal surgery, however, the included studies were of low to moderate quality.
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23.
  • Baban, Bayar, 1973-, et al. (författare)
  • Altered insulin sensitivity and immune function in patients with colorectal cancer
  • 2023
  • Ingår i: Clinical Nutrition ESPEN. - : Elsevier. - 2405-4577. ; 58, s. 193-200
  • Tidskriftsartikel (refereegranskat)abstract
    • Background & aims: Insulin resistance and chronic inflammation have been reported in patients with cancer. However, many of the underlying mechanisms and associations are yet to be unveiled. We examined both the level of insulin sensitivity and markers of inflammation in patients with colorectal cancer for comparison to controls.Methods: Clinical exploratory study of patients with colorectal cancer (n = 20) and matched controls (n = 10). Insulin sensitivity was quantified using the hyperinsulinemic normoglycemic clamp and blood samples were taken for quantification of several key, both intra- and extracellular, inflammatory markers. We analysed the differences in these parameters between the two groups.Results: Patients exhibited both insulin resistance (M-value, patients median (Mdn) 4.57 interquartile range (IQR) 3.49-5.75; controls Mdn 5.79 (IQR 5.20-6.81), p = 0.049), as well as increased plasma levels of the pro-inflammatory cytokines IL-1b(patients Mdn 0.48 (IQR 0.33-0.58); controls Mdn 0.36 (IQR 0.29-0.42), p = 0.02) and IL-6 (patients Mdn 3.21 (IQR 2.31-4.93); controls Mdn 2.16 (IQR 1.50-2.65), p = 0.02). The latter is present despite an almost two to three fold decrease (p < 0.01) in caspase-1 activity, a facilitating enzyme of IL-1b production, within circulating immune cells.Conclusion: Patients with colorectal cancer displayed insulin resistance and higher levels of plasma IL-1b and IL-6, in comparison to matched healthy controls. The finding of a seemingly disconnect between inflammasome (caspase-1) activity and plasma levels of key pro-inflammatory cytokines in cancer patients may suggest that, in parallel to dysregulated immune cells, tumour-driven inflammatory pathways also are in effect.
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24.
  • Baban, Bayar, 1973- (författare)
  • Colorectal cancer and surgery : Insights into insulin resistance and inflammatory markers
  • 2024
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The art of surgery has progressively extended from the realm of anatomy to encompass physiology and beyond, in search of further refinement and optimal recovery. Integral to this is a deeper understanding of the body’s essential metabolic and inflammatory responses to surgical trauma.This thesis aims to provide insights into the intricate interplay between insulin resistance, inflammation and surgical interventions in colorectal cancer patients, as each has an influence on postoperative recovery. Particular emphasis is placed on the role of inflammasomes – central mediators of the innate immune response, adept at detecting and responding to a diverse range of triggers, yet insufficiently explored in these specific contexts.Study I is a comparative analysis of the hyperinsulinemic–euglycaemic clamp and homeostatic model assessment (HOMA) in determining postoperative insulin resistance in 113 patients undergoing various elective surgeries. The findings establish the clamp as the accurate method, detecting key physiological distinctions missed by HOMA.Study II, an exploratory case–control study, assesses insulin sensitivity and inflammatory markers in 20 colorectal cancer patients compared to 10 matched healthy controls. Results indicate insulin resistance, reduced inflammasome activity in circulating immune cells and elevated systemic IL-1β and IL-6 levels in patients.Study III, a pilot exploratory study of 17 patients from Study II, assesses the impact of surgical technique, open versus minimally invasive surgery, on postoperative insulin resistance and inflammation in colorectal cancer resections. It indicates a differential inflammatory response with higher levels in open surgeries, yet a consistent degree of insulin resistance across both surgical techniques.Study IV explores the perioperative temporal sequencing of inflammation and inflammasome action in 18 patients from Study II undergoing elective colorectal cancer resections. It points to a more immediate and pronounced inflammatory response in open surgery compared to minimally invasive surgery, though both techniques show reduced intraoperative caspase-1 activity.In conclusion, the hyperinsulinemic euglycaemic clamp is the accurate method in determinations of postoperative insulin resistance. Patients with colorectal cancer, in comparison to matched healthy controls, exhibit insulin resistance and higher levels of inflammation, but decreased inflammasome (caspase-1) activity in circulating immune cells. Finally, colorectal cancer resections induce both insulin resistance and inflammation; however, the surgical technique utilized only significantly affects the latter, with generally higher inflammatory / inflammasome responses in open surgery.
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25.
  • Baban, Bayar, 1973-, et al. (författare)
  • Determination of insulin resistance in surgery : the choice of method is crucial
  • 2015
  • Ingår i: Clinical Nutrition. - : Churchill Livingstone. - 0261-5614 .- 1532-1983. ; 34:1, s. 123-128
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND & AIMS: In elective surgery, postoperative hyperglycaemia and insulin resistance are independent risk factors for complications. Since the simpler HOMA method has been used as an alternative to the hyperinsulinemic normoglycemic clamp in studies of surgery induced insulin resistance, we compared the two methods in patients undergoing elective surgery.METHODS: Data from 113 non-diabetic patients undergoing elective surgery were used. Insulin sensitivity, both before and after surgery, was quantified by the clamp and HOMA. Pre- and postoperatively, the results of the clamp were compared to HOMA using regression- and correlation analysis. Degree of agreement between the methods was studied using weighted linear kappa and the Bland-Altman test.RESULTS: Both the clamp and HOMA recorded a mean relative reduction in insulin sensitivity of 39 ± 24% and 39 ± 61% respectively after surgery; with significant correlations (p < 0.01) for pre- and post-operative measures as well as for relative changes. However r(2) values were low: 0.04, 0.07 and 0.03 respectively. The degree of agreement for the relative change in insulin sensitivity using the Bland-Altman test gave a mean of difference 0% but "limits of agreement" (±2SD) was ±125%. This poor inter-method agreement was consolidated by a weighted linear kappa value of 0.18.CONCLUSION: While the hyperinsulinemic euglycemic clamp measures the postoperative changes in insulin sensitivity, HOMA measures something different. Data using the HOMA method must therefore be interpreted cautiously and is not interchangeable with data obtained from the clamp.
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26.
  •  
27.
  • Baban, Bayar, 1973-, et al. (författare)
  • Inflammasome activation, colonic cancer and glucose metabolism
  • 2016
  • Ingår i: Clinical Nutrition ESPEN. - : Elsevier. - 2405-4577. ; 12
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: To study the association between inflammasome activation (a potent initiator of inflammation acting via caspase-1 and maturation of interleukin-1β), colonic cancer and glucose metabolism.Methods: Five patients with colon cancer and ten matched controls without cancer were measured for insulin sensitivity using the hyperinsulinemic euglycemic clamp. For detection of inflammasome activation the caspase-1 activity, determined by detecting FLICA using flow cytometry, was measured in both monocytes and granulocytes at the start of, and at 120 minutes into the clamp. Descriptive and analytical statistics were performed using nonparametric methods by SPSS.Results: There was no difference in levels of insulin sensitivity between the two groups (p=0.09). The cancer patients had significantly lower levels of caspase-1 both in monocytes (p<0.05) and granulocytes (p<0.05) compared with the controls. However both patients and controls had significantly higher levels of both mono- and granulocyte caspase-1 activity at 120 minutes into the clamp as compared to at start (p<0.05). Patients showed an overall higher relative increase in caspase-1 during the clamp, however this finding did not reach statistical significance (monocytes; p=0.27, granulocytes; p=0.22).
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28.
  •  
29.
  • Balagopal, P., et al. (författare)
  • Skeletal muscle heavy-chain synthesis rate in healthy humans
  • 1997
  • Ingår i: American Journal of Physiology. - : HighWire Press. - 0002-9513 .- 2163-5773. ; 272:1, s. 45-50
  • Tidskriftsartikel (refereegranskat)abstract
    • Mixed muscle protein synthetic rate has been measured in humans. These measurements represent the average of synthetic rates of all muscle proteins with variable rates. We determined to what extent the synthesis rate of mixed muscle protein in humans reflects that of myosin heavy chain (MHC), the main contractile protein responsible for the conversion of ATP to mechanical energy as muscle contraction. Fractional synthetic rates of MHC and mixed muscle protein were measured from the increment of [C-13]leucine in these proteins in vastus lateralis biopsy samples taken at 5 and 10 h during a primed continuous infusion of L-[1-C-13]leucine in 10 young healthy subjects. Calculations were done by use of plasma [C-13]ketoisocaproate (KIC) and muscle tissue fluid [C-13]leucine as surrogate measures of leucyl-tRNA. Fractional synthetic rate of MHC with plasma KIC (0.0299 +/- 0.0043%/h) and tissue fluid leucine (0.0443 +/- 0.0056%/h) were only 72 +/- 3% of that of mixed muscle protein (0.0408 +/- 0.0032 and 0.0603 +/- 0.0059%/h, respectively, with KIC and tissue fluid leucine). Contribution of MHC (7 +/- 1 mg . kg(-1) . h(-1)) to synthetic rates of whole body mixed muscle protein (36 +/- 5 mg . kg(-1) . h(-1)) and whole body protein (127 +/- 4 mg . kg(-1) . h(-1)) is only 18 +/- 1 and 5 +/- 1%, respectively. This relatively low contribution of MHC to whole body and mixed muscle protein synthesis warrants direct measurement of synthesis rate of MHC in conditions involving abnormalities of muscle contractile function.
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30.
  • Bang, Peter, et al. (författare)
  • Free dissociable IGF-I : Association with changes in IGFBP-3 proteolysis and insulin sensitivity after surgery
  • 2016
  • Ingår i: Clinical Nutrition. - : Churchill Livingstone. - 0261-5614 .- 1532-1983. ; 35:2, s. 408-413
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Patients receiving a carbohydrate drink (CHO) before major abdominal surgery display improved insulin sensitivity postoperatively and increased proteolysis of IGFBP-3 (IGFBP-3-PA) compared to patients undergoing similar surgery after overnight fasting. Aims: We hypothesized that serum IGFBP-3-PA increases bioavailability of circulating IGF-I and preserves insulin sensitivity in patients given CHO. Design: Matched control study. Methods: At Karolinska University Hospital, patients given CHO before major elective abdominal surgery (CHO,n = 8) were compared to patients undergoing similar surgical procedures after overnight fasting (FAST,n = 10). Results from two different techniques for determination of free-dissociable IGF-I (fdIGF-I) were compared with changes in IGFBP-3-PA and insulin sensitivity. Results: Postoperatively, CHO displayed 18% improvement in insulin sensitivity (hyperinsulinemic clamp) and increased IGFBP-3-PA vs. FAST. As determined by IRMA, fdIGF-I increased by 48 +/- 25% in CHO while fdIGF-I decreased by 13 +/- 18% in FAST (p < 0.01 vs. CHO, when corrected for duration of surgery). However, fdIGF-I determined by ultra-filtration decreased similarly in both groups (-22 +/- 8% vs. -25 +/- 8%, p = 0.8) and IGFBP-1 increased similarly in both groups. Patients with less insulin resistance after surgery demonstrated larger increases in fdIGF-I by IRMA (r = 0.58, p < 0.05). Fifty-three % of the variability of the changes in fdIGF-I by IRMA could be explained by changes in IGFBP-3-PA and total IGF-I levels (p < 0.05), while IGFBP-1 did not contribute significantly. Conclusion: During conditions when serum IGF-I bioavailability is regulated by IGFBP-3 proteolysis, measurements of fdIGF-I by IRMA is of physiological relevance as it correlates with the associated changes in insulin sensitivity.
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31.
  • Bang, P., et al. (författare)
  • Postoperative induction of insulin-like growth factor binding protein-3 proteolytic activity : relation to insulin and insulin sensitivity
  • 1998
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - Cary, NC, USA : Oxford University Press. - 0021-972X .- 1945-7197. ; 83:7, s. 2509-2515
  • Tidskriftsartikel (refereegranskat)abstract
    • Increased serum insulin-like growth factor (IGF)-binding protein-3 (IGFBP-3) proteolytic activity (IGFBP-3-PA) has been demonstrated in a number of clinical states of insulin resistance, including severe illness, after surgery, and in noninsulin-dependent diabetes mellitus. In the present study we assessed the role of insulin sensitivity in expression of IGFBP-3-PA in serum. In 18 patients studied, a significant increase in IGFBP-3-PA (P < 0.005) was demonstrated after cole-rectal surgery. Eight patients receiving an oral glucose load before surgery demonstrated a significant greater relative increase in IGFBP-3-PA compared with 10 patients not receiving glucose (32.9 +/- 7.1% vs. 8.6 +/- 6.7%, respectively; P < 0.05). Both groups had reduced insulin sensitivity after surgery(-58 +/- 4%; P < 0.0001; n = 18), as determined by hyperinsulinemic, normoglycemic clamps; however, the group not receiving glucose displayed 18% less insulin sensitivity than the oral glucose load group (P < 0.05). Multiple regression analysis demonstrated that the relative changes in IGFBP-3-PA and C peptide levels were inversely correlated (P < 0.05), suggesting that increased IGFBP-3-PA, presumably increasing IGF bioavailability, may be associated with decreased insulin demands. Interestingly, insulin infusion during the 4-h hyperinsulinemic, normoglycemic clamp performed 24 h after surgery (post-op) resulted in a further increase in IGFBP-3-PA in both groups (P < 0.005), whereas no significant responses could be demonstrated during the pre-op clamp. The expression of increased IGFBP-3-PA was accompanied by conversion of endogenous intact 39/42-kDa IGFBP-3 into its 30-kDa fragmented form as determined by Western immunoblotting, and this conversion was virtually complete after the 4-h post-op clamp in patients displaying marked increases in IGFBP-3-PA. Characterization of the IGFBP-3-PA demonstrated that it was specific for IGFBP-3, as no degradation of IGFBP-1 and -2 was detected, and the use of various protease inhibitors demonstrated that serine proteases and possibly matrix metalloproteinases contribute to the increased IGFBP-3-PA level after surgery. We propose that IGF bioavailability may be increased by the induction of IGFBP-3-PA in insulin-resistant subjects, and that insulin regulates IGFBP-3-PA in this state.
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32.
  • Barazzoni, R, et al. (författare)
  • Carbohydrates and insulin resistance in clinical nutrition : Recommendations from the ESPEN expert group.
  • 2017
  • Ingår i: Clinical Nutrition. - : Elsevier BV. - 0261-5614 .- 1532-1983. ; 36:2, s. 355-363
  • Tidskriftsartikel (refereegranskat)abstract
    • Growing evidence underscores the important role of glycemic control in health and recovery from illness. Carbohydrate ingestion in the diet or administration in nutritional support is mandatory, but carbohydrate intake can adversely affect major body organs and tissues if resulting plasma glucose becomes too high, too low, or highly variable. Plasma glucose control is especially important for patients with conditions such as diabetes or metabolic stress resulting from critical illness or surgery. These patients are particularly in need of glycemic management to help lessen glycemic variability and its negative health consequences when nutritional support is administered. Here we report on recent findings and emerging trends in the field based on an ESPEN workshop held in Venice, Italy, 8-9 November 2015. Evidence was discussed on pathophysiology, clinical impact, and nutritional recommendations for carbohydrate utilization and management in nutritional support. The main conclusions were: a) excess glucose and fructose availability may exacerbate metabolic complications in skeletal muscle, adipose tissue, and liver and can result in negative clinical impact; b) low-glycemic index and high-fiber diets, including specialty products for nutritional support, may provide metabolic and clinical benefits in individuals with obesity, insulin resistance, and diabetes; c) in acute conditions such as surgery and critical illness, insulin resistance and elevated circulating glucose levels have a negative impact on patient outcomes and should be prevented through nutritional and/or pharmacological intervention. In such acute settings, efforts should be implemented towards defining optimal plasma glucose targets, avoiding excessive plasma glucose variability, and optimizing glucose control relative to nutritional support.
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33.
  • Bark, Tor, et al. (författare)
  • Bacterial translocation after non-lethal hemorrhage in the rat
  • 1993
  • Ingår i: Circulatory Shock. - : John Wiley & Sons. - 0092-6213. ; 41:1, s. 60-65
  • Tidskriftsartikel (refereegranskat)abstract
    • Translocation of enteric bacteria has been suggested to compromise patients in severe catabolic stress. Mechanisms for this route of infection are not known. In this study, ratswere subjected to hemorrhage without reinfusion during 60 min, total blood loss was 3.28 +/- 0.14 ml/100 g BW. Control groups consisted of sham-operated animals without bleeding, and rats not operated at all. The mean number of viable bacteria found in mesenteric lymph nodes (MLN) of bled animals was 168 +/- 45 colony forming units (c.f.u./MLN), significantly higher compared to sham operated (5 +/- 3 c.f.u./MLN) and not operated (0 +/- 0 c.f.u./MLN) controls (P < 0.01). Cultures from MLN were positive in 7/9 rats after bleeding, in 3/9 of sham operated, and in 0/6 of non-instrumented control animals. No positive blood cultures were isolated. Escherichia coli was the dominant species found in MLN. A biochemical fingerprinting method (the PhP system) was used to identify translocating strains of E. coli among strains found in cecum. The method was also used to compare translocating strains between different animals. Our findings reveal that bacteria translocate to MLN after hemorrhage. Some phenotypes of E. coli strains translocate more frequently than others, suggesting that they have properties facilitating translocation.
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34.
  • Bark, Tor, et al. (författare)
  • Food deprivation increases bacterial translocation after non-lethal haemorrhage in rats
  • 1995
  • Ingår i: European Journal of Surgery. - : Taylor & Francis Scandinavia. - 1102-4151 .- 1741-9271. ; 161:2, s. 67-71
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE:To investigate whether brief fasting before the induction of hypotension by non-lethal haemorrhage may induce translocation of enteric bacteria to mesenteric lymph nodes or blood in rats.DESIGN:Laboratory experiment.SETTING:University departments of surgery and microbiology, Sweden.MATERIAL:39 Male Sprague-Dawley rats.INTERVENTIONS:20 animals were fasted for 24 hours, all 39 then underwent controlled haemorrhage for 60 minutes that reduced the blood pressure to 55 mm Hg.MAIN OUTCOME MEASURES:Differences in blood loss, blood glucose concentrations, and packed cell volume; and aerobic cultures of mesenteric lymph nodes and blood.RESULTS:Fasted rats (n = 20) lost 2.3% of blood volume compared with 2.8% in fed rats(p < 0.001). Packed cell volume dropped by 11.3% in fasted rats and 16.5% in fed rats (p < 0.001). Glucose concentrations rose by 7.0 mmol/l in fasted rats compared with 21.0 mmol/l in fed rats (p < 0.001). Mesenteric lymph nodes contained enteric bacteria in 14/20 fasted rats compared with 6/19 fed rats (p < 0.05). In 4 fasted rats blood cultures grew pathogenic bacteria compared with no fed rats (p = 0.11). The number of bacteria found in mesenteric lymph nodes was significantly greater in fasted than in fed rats (p = 0.01).CONCLUSIONS:Brief fasting before hypotension caused by non-lethal haemorrhage was associated with significantly increased bacterial translocation compared with fed animals. Increases in blood glucose concentrations and plasma refill may have had a protective effect in fed rats. These experiments may be of clinical relevance as elective operations are usually preceded by overnight fasting.
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35.
  • Bark, Tor, et al. (författare)
  • Glutamine supplementation does not prevent bacterial translocation after non-lethal haemorrhage in rats
  • 1995
  • Ingår i: European Journal of Surgery. - : Taylor & Francis Scandinavia. - 1102-4151 .- 1741-9271. ; 161:1, s. 3-8
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE:To find out whether supplementation of an enteral diet with glutamine would reduce translocation of bacteria to mesenteric lymph nodes or blood after major haemorrhage in rats.DESIGN:Open randomised study.SETTING:University departments of surgery and microbiology, Sweden.MATERIAL:49 Sprague-Dawley rats.INTERVENTIONS:Rats were fed enterally for 7 days on diets supplemented with either glutamine or an isonitrogenous amount of non-essential amino acids. After feeding, 8 experimental and 8 control rats underwent sham operation; 9 and 7, respectively, underwent moderate haemorrhage (to 65 mm Hg); and 9 and 8, respectively, underwent severe haemorrhage (50 mm Hg) without reinfusion.MAIN OUTCOME MEASURES:Microbiological analyses of samples of blood and mesenteric lymph nodes taken 24 hours after haemorrhage.RESULTS:The median (interquartile) number of colony forming units/mesenteric lymph nodes after moderate haemorrhage in animals who were given glutamine supplementation was 11 (0-34) and in control animals 20 (0-178). After severe haemorrhage the corresponding figures were 199 (10-310) and 22 (0-187). No pathogens were isolated from blood cultures.CONCLUSION:Glutamine supplementation before haemorrhage did not reduce bacterial translocation to mesenteric lymph nodes in this rat model.
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36.
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37.
  • Batchelor, Tim J. P., et al. (författare)
  • A surgical perspective of ERAS guidelines in thoracic surgery
  • 2019
  • Ingår i: Current Opinion in Anaesthesiology. - : Lippincott Williams & Wilkins. - 0952-7907 .- 1473-6500. ; 32:1, s. 17-22
  • Forskningsöversikt (refereegranskat)abstract
    • PURPOSE OF REVIEW: Guidelines for enhanced recovery after surgery (ERAS) have recently been published for lung surgery. Although some of the recommendations are generic or focused on anesthetic and nursing care, other recommendations are more specific to a thoracic surgeon's practice. The present review concentrates on the surgical approach, optimal chest drain management, and the importance of early mobilization.RECENT FINDINGS: Most lung cancer resections are still performed via an open thoracotomy approach. If a thoracotomy is to be used, a muscle-sparing approach may result in reduced pain and better postoperative function. Sparing of the intercostal bundle also reduces pain. There is now evidence that minimally invasive surgery for early lung cancer results in superior patient outcomes. Postoperatively, single chest tubes should be used without the routine application of external suction. Digital drainage systems are more reliable and may produce superior outcomes. Conservative chest drain removal policies are unnecessary and impair patient recovery. Early mobilization protocols should be instigated to reduce postoperative complications.SUMMARY: The use of ERAS after lung surgery has the potential to improve patient outcomes. Although specific surgical elements are in the minority, thoracic surgeons should be involved in all aspects of perioperative care as part of the wider multidisciplinary team.
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38.
  • Batchelor, Timothy J. P., et al. (författare)
  • Guidelines for enhanced recovery after lung surgery : recommendations of the Enhanced Recovery After Surgery (ERAS®) Society and the European Society of Thoracic Surgeons (ESTS)
  • 2019
  • Ingår i: European Journal of Cardio-Thoracic Surgery. - : Springer. - 1010-7940 .- 1873-734X. ; 55:1, s. 91-115
  • Forskningsöversikt (refereegranskat)abstract
    • Enhanced recovery after surgery is well established in specialties such as colorectal surgery. It is achieved through the introduction of multiple evidence-based perioperative measures that aim to diminish postoperative organ dysfunction while facilitating recovery. This review aims to present consensus recommendations for the optimal perioperative management of patients undergoing thoracic surgery (principally lung resection). A systematic review of meta-analyses, randomized controlled trials, large non-randomized studies and reviews was conducted for each protocol element. Smaller prospective and retrospective cohort studies were considered only when higher-level evidence was unavailable. The quality of the evidence base was graded by the authors and used to form consensus recommendations for each topic. Development of these recommendations was endorsed by the Enhanced Recovery after Surgery Society and the European Society for Thoracic Surgery. Recommendations were developed for a total of 45 enhanced recovery items covering topics related to preadmission, admission, intraoperative care and postoperative care. Most are based on good-quality studies. In some instances, good-quality data were not available, and subsequent recommendations are generic or based on data extrapolated from other specialties. In other cases, no recommendation can currently be made because either equipoise exists or there is a lack of available evidence. Recommendations are based not only on the quality of the evidence but also on the balance between desirable and undesirable effects. Key recommendations include preoperative counselling, nutritional screening, smoking cessation, prehabilitation for high-risk patients, avoidance of fasting, carbohydrate loading, avoidance of preoperative sedatives, venous thromboembolism prophylaxis, prevention of hypothermia, short-acting anaesthetics to facilitate early emergence, regional anaesthesia, nausea and vomiting control, opioid-sparing analgesia, euvolemic fluid management, minimally invasive surgery, early chest drain removal, avoidance of urinary catheters and early mobilization after surgery. These guidelines outline recommendations for the perioperative management of patients undergoing lung surgery based on the best available evidence. As the recommendation grade for most of the elements is strong, the use of a systematic perioperative care pathway has the potential to improve outcomes after surgery.
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39.
  • Bellafronte, Natália Tomborelli, et al. (författare)
  • A survey of preoperative surgical nutrition practices, opinions, and barriers across Canada
  • 2024
  • Ingår i: Applied Physiology, Nutrition and Metabolism. - : National Research Council Canada. - 1715-5312 .- 1715-5320. ; 49:5, s. 687-699
  • Tidskriftsartikel (refereegranskat)abstract
    • Malnutrition is prevalent among surgical candidates and associated with adverse outcomes. Despite being potentially modifiable, malnutrition risk screening is not a standard preoperative practice. We conducted a cross-sectional survey to understand healthcare professionals' (HCP) opinions and barriers regarding screening and treatment of malnutrition. HCPs working with adult surgical patients in Canada were invited to complete an online survey. Barriers to preoperative malnutrition screening were assessed using the Capability Opportunity Motivation-Behaviour model. Quantitative data were analyzed using descriptive statistics and qualitative data were analyzed using summative content analysis. Of the 225 HCPs surveyed (n=111 dietitians, n=72 physicians, n=42 allied healthcare professionals), 96%-100% agreed that preoperative malnutrition is a modifiable risk factor associated with worse surgical outcomes and is a treatment priority. Yet, 65% (n=142/220; dietitians: 88% vs. physicians: 40%) reported screening for malnutrition, mostly in the postoperative period (n=117) by dietitians (n=94), and just 42% (48/113) of non-dietitian respondents referred positively screened patients to a dietitian for further assessment and treatment. The most prevalent barriers for malnutrition screening were related to opportunity, including availability of resources (57%, n=121/212), time (40%, n=84/212) and support from others (38%, n=80/212). In conclusion, there is a gap between opinion and practice among surgical HCPs pertaining to malnutrition. Although HCPs agreed malnutrition is a surgical priority, the opportunity to screen for nutrition risk was a great barrier.
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40.
  • Beverly, Anair, et al. (författare)
  • Essential Elements of Multimodal Analgesia in Enhanced Recovery After Surgery (ERAS) Guidelines
  • 2017
  • Ingår i: Anesthesiology Clinics. - : Lippincott Williams & Wilkins. - 1932-2275. ; 35:2, s. e115-e143
  • Tidskriftsartikel (refereegranskat)abstract
    • Perioperative multimodal analgesia uses combinations of analgesic medications that act on different sites and pathways in an additive or synergistic manner to achieve pain relief with minimal or no opiate consumption. Although all medications have side effects, opiates have particularly concerning, multisystemic, long-term, and short-term side effects, which increase morbidity and prolong admissions. Enhanced recovery is a systematic process addressing each aspect affecting recovery. This article outlines the evidence base forming the current multimodal analgesia recommendations made by the Enhanced Recovery After Surgery Society (ERAS). We describe current evidence and important future directions for effective perioperative multimodal analgesia in enhanced recovery pathways.
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41.
  • Bisch, Steven P., et al. (författare)
  • Ferric derisomaltose and Outcomes in the Recovery of Gynecologic oncology : ERAS (Enhanced Recovery After Surgery) (FORGE) - a protocol for a pilot randomised double-blinded parallel-group placebo-controlled study of the feasibility and efficacy of intravenous ferric derisomaltose to correct preoperative iron-deficiency anaemia in patients undergoing gynaecological oncology surgery
  • 2023
  • Ingår i: BMJ Open. - : BMJ Publishing Group Ltd. - 2044-6055. ; 13:11
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Iron-deficiency anaemia is common in gynaecological oncology patients. Blood transfusions are immunosuppressive and carry immediate and long-term risks. Oral iron replacement remains the standard of care but requires prolonged treatment courses associated with gastrointestinal side effects, poor compliance and variable absorption in cancer patients. Intravenous iron has been shown to decrease the need for allogeneic blood transfusion in gynaecological oncology patients undergoing chemotherapy, but the efficacy of this treatment in the preoperative period is unknown. The goal of this pilot study is to determine the effect of intravenous ferric derisomaltose on preoperative haemoglobin in patients undergoing surgery for gynaecological malignancy.METHODS AND ANALYSIS: We will conduct a pilot single-centre, parallel-arm randomised controlled trial of intravenous ferric derisomaltose versus placebo among consenting patients with iron-deficiency anaemia having elective major surgery on the gynaecological oncology service. Patients, clinicians and outcome assessors will be blinded. The intervention consists of a single infusion of 500-1000 mg of intravenous ferric derisomaltose administered a minimum of 21 days prior to the planned operation. The primary outcome is mean preoperative haemoglobin concentration measured 0-3 days prior to surgery in patients receiving intravenous ferric derisomaltose compared with those receiving placebo. Secondary outcomes include the following: change in haemoglobin concentration, postoperative haemoglobin concentration, perioperative blood transfusion rates, patient-reported quality of life scores (Quality of Recovery 15, Modified Short Form 36 v1, EuroQol 5-dimension 5-level and Functional Assessment of Cancer Therapy - Anaemia), surgical site infection, complication rates, length of hospital stay and readmission rate. Analyses will follow intention-to-treat principles for all randomised participants. All patients will be followed up to 60 days following surgery.ETHICS AND DISSEMINATION: Ethical approval has been granted by Health Research Ethics Board of Alberta (Project ID: HREBA.CC-22-0187) and Health Canada (HC6-024-c264013). Results will be disseminated through presentation at scientific conferences, peer-reviewed publication and social and traditional media.TRIAL REGISTRATION NUMBER: NCT05407987.
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42.
  • Bjerregaard, Felix, et al. (författare)
  • Risk factors for anastomotic leakage in colonic procedures within an ERAS-protocol : A retrospective cohort study from the Swedish part of the international ERAS-database
  • 2024
  • Ingår i: World Journal of Surgery. - : Springer. - 0364-2313 .- 1432-2323.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Research on anastomotic leakage (AL) in colonic procedures within an Enhanced Recovery After Surgery (ERAS) protocol has not yet been conducted. The aim of this study was to identify risk factors for AL after colonic surgery.Methods: The study included all consecutively recorded patients operated with colonic resection surgery in the Swedish part of the international ERAS (R) Interactive Audit System (EIAS) between September 2009 and June 2022. The cohort was analyzed and evaluated regarding risk factors for AL.Results: Altogether 10,632 patients were included, 10,219 were without AL and 413 (3.9%) were with AL. After adjusted analysis, male sex (4.6% AL), OR: 1.49; 95% CI (1.16-1.90), obesity (4.8% AL), OR: 1.62; 95% CI (1.18-2.24), previous surgery (4.4% AL), OR: 1.45; 95% CI (1.14-1.86), open surgery (4.4% AL), OR: 1.36; 95% CI (1.02-1.83), anastomosis between small bowel and rectum (13.1% AL), OR: 3.97; 95% CI (2.23-7.10), stapled anastomosis (5.3% AL), OR: 2.46; 95% CI (1.79-3.38), inhalation anesthesia (4.2% AL), OR: 1.80; 95% CI (1.26-2.57), and conversion to open surgery (5.5% AL), OR 1.49; 95% CI (1.02-2.19) were significant risk factors for AL. Although pre and intraoperative compliance to the ERAS-protocol was similar, excess of fluids day 0 was an independent predictor for AL.Conclusion: Male sex, obesity, previous surgery, open surgery, stapled anastomotic technique, anastomosis between small bowel and rectum, inhalation anesthesia, conversion to open surgery, and among ERAS interventions, excess of fluids day 0, were significant risk factors for AL.
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43.
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44.
  • Blixt, Christina, et al. (författare)
  • The effect of glucose control in liver surgery on glucose kinetics and insulin resistance
  • 2021
  • Ingår i: Clinical Nutrition. - : Churchill Livingstone. - 0261-5614 .- 1532-1983. ; 40:7, s. 4526-4534
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND & AIMS: Clinical outcome is negatively correlated to postoperative insulin resistance and hyperglycemia. The magnitude of insulin resistance can be modulated by glucose control, preoperative nutrition, adequate pain management and minimal invasive surgery. Effects of glucose control on perioperative glucose kinetics in liver surgery is less studied.METHODS: 18 patients scheduled for open hepatectomy were studied per protocol in this prospective, randomized study. In the treatment group (n = 9), insulin was administered intravenously to keep arterial blood glucose between 6 and 8 mmol/l during surgery. The control group (n = 9) received insulin if blood glucose >11.5 mmol/l. Insulin sensitivity was measured by an insulin clamp on the day before surgery and immediately postoperatively. Glucose kinetics were assessed during the clamp and surgery.RESULTS: Mean intraoperative glucose was 7.0 mM (SD 0.7) vs 9.1 mM (SD 1.9) in the insulin and control group respectively (p < 0.001; ANOVA). Insulin sensitivity decreased in both groups but significantly (p = 0.03, ANOVA) more in the control group (M value: 4.6 (4.4-6.8) to 2.1 (1.2-2.6) and 4.6 (4.1-5.0) to 0.6 (0.1-1.8) mg/kg/min in the treatment and control group respectively). Endogenous glucose production (EGP) increased and glucose disposal (WGD) decreased significantly between the pre- and post-operative clamps in both groups, with no significant difference between the groups. Intraoperative kinetics demonstrated that glucose control decreased EGP (p = 0.02) while WGD remained unchanged (p = 0.67).CONCLUSION: Glucose control reduces postoperative insulin resistance in liver surgery. EGP increases and WGD is diminished immediately postoperatively. Insulin seems to modulate both reactions, but mostly the WGD is affected. Intraoperative EGP decreased while WGD remained unaltered.REGISTRATION NUMBER OF CLINICAL TRIAL: ANZCTR 12614000278639.
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45.
  • Blixt, Christina, et al. (författare)
  • The effect of perioperative glucose control on postoperative insulin resistance
  • 2012
  • Ingår i: Clinical Nutrition. - : Elsevier. - 0261-5614 .- 1532-1983. ; 31:5, s. 676-681
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND & AIMS: Postoperative insulin resistance and the consequent hyperglycemia affects clinical outcome. Insulin sensitivity may be modulated by preoperative nutrition, adequate pain management and minimal invasive surgery. This study aims to disclose the impact of perioperative glucose control on postoperative insulin resistance.METHODS: Twenty patients scheduled for elective open hepatectomy were enrolled in this prospective, randomized study. In the treatment group (n = 9) insulin was administered intravenously to keep blood glucose between 6 and 8 mmol/l during surgery. The control group (n = 8) received insulin if blood glucose >14 mmol/l. Insulin sensitivity was measured by a hyperinsulinemic normoglycemic clamp (0.8 mU/kg/min), performed on all patients both on the day before surgery and immediately postoperatively. Plasma cortisol, insulin and C-peptide were measured.RESULTS: There was a significant difference in mean glucose value during surgery. In the control group 8.8 mmol/l (SD 1.5) vs. 6.9 mmol/l (SD 0.4) in the treated group, p = 0.003. In the control group insulin sensitivity decreased to 21.9% ± 16.2% of the preoperative value and in the insulin treated group to 46.8 ± 15.5%, p < 0.005. Insulin levels were significantly higher in the treatment group as well as consequently lower C-peptide levels.CONCLUSIONS: This trial revealed a significant difference in postoperative insulin resistance in the group treated with insulin during surgery.
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46.
  • Boija, Per Olov, et al. (författare)
  • Hypovolaemic stress induced glycogenolysis, isolated liver perfusion study
  • 1987
  • Ingår i: Research in experimental medicine. - : Springer. - 0300-9130 .- 1433-8580. ; 187:5, s. 315-322
  • Tidskriftsartikel (refereegranskat)abstract
    • Intrinsic hepatic glycogenolysis was examined after hypovolemic stress. Hemorrhagic hypotension of 70 (P70) and 40 mm Hg (P40) for 60 min was inflicted for two postprandial groups and of 70 mm Hg (S70) in a 24-h starved group. The results were compared with three control groups; one postprandial (Pc), one 24-h starved (Sc), and one starved for 9 h (Sc: 9) to mimic the glycogen depletion produced by 70 mm Hg hemorrhagic hypotension. Glucose output was studied in vitro using av recirculating isolated liver perfusion system with a perfusate free of glucose and endocrine stimulation. Liver glycogen determination was made before perfusion start. Although the glycogen stores were decreased after hemorrhage glucose yield was increased (P70) and unchanged (P40) as compared to controls (Pc and Sc: 9). Both starved groups delivered small amounts of glucose, but the released fraction of the S70 group was more than twice that from the Sc group. These data suggest a liver enzyme activation with increased velocity of the enzymesubstrate reactions responsible for glycogen degradation, induced during in vivo hemorrhage and persisting for at least 30 min in vitro perfusion.
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47.
  • Bowyer, A., et al. (författare)
  • A review of the scope and measurement of postoperative quality of recovery
  • 2014
  • Ingår i: Anaesthesia. - Hoboken, USA : Wiley-Blackwell. - 0003-2409 .- 1365-2044. ; 69:11, s. 1266-1278
  • Forskningsöversikt (refereegranskat)abstract
    • To date, postoperative quality of recovery lacks a universally accepted definition and assessment technique. Current quality of recovery assessment tools vary in their development, breadth of assessment, validation, use of continuous vs dichotomous outcomes and focus on individual vs group recovery. They have progressed from identifying pure restitution of physiological parameters to multidimensional assessments of postoperative function and patient-focused outcomes. This review focuses on the progression of these tools towards an as yet unreached ideal that would provide multidimensional assessment of recovery over time at the individual and group level. A literature search identified 11 unique recovery assessment tools. The Postoperative Quality of Recovery Scale assesses recovery in multiple domains, including physiological, nociceptive, emotive, activities of daily living, cognition and patient satisfaction. It addresses recovery over time and compares individual patient data with base line, thus describing resumption of capacities and is an acceptable method for identification of individual patient recovery.
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48.
  • Braga, M., et al. (författare)
  • ESPEN Guidelines on Parenteral Nutrition : surgery
  • 2009
  • Ingår i: Clinical Nutrition. - Edinburgh : European Society of Parenteral and Enteral Nutrition. - 0261-5614 .- 1532-1983. ; 28:4, s. 378-386
  • Tidskriftsartikel (refereegranskat)abstract
    • In modern surgical practice it is advisable to manage patients within an enhanced recovery protocol and thereby have them eating normal food within 1-3 days. Consequently, there is little room for routine perioperative artificial nutrition. Only a minority of patients may benefit from such therapy. These are predominantly patients who are at risk of developing complications after surgery. The main goals of perioperative nutritional support are to minimize negative protein balance by avoiding starvation, with the purpose of maintaining muscle, immune, and cognitive function and to enhance postoperative recovery. Several studies have demonstrated that 7-10 days of preoperative parenteral nutrition improves postoperative outcome in patients with severe undernutrition who cannot be adequately orally or enterally fed. Conversely, its use in well-nourished or mildly undernourished patients is associated with either no benefit or with increased morbidity. Postoperative parenteral nutrition is recommended in patients who cannot meet their caloric requirements within 7-10 days orally or enterally. In patients who require postoperative artificial nutrition, enteral feeding or a combination of enteral and supplementary parenteral feeding is the first choice. The main consideration when administering fat and carbohydrates in parenteral nutrition is not to overfeed the patient. The commonly used formula of 25 kcal/kg ideal body weight furnishes an approximate estimate of daily energy expenditure and requirements. Under conditions of severe stress requirements may approach 30 kcal/kg ideal body weights. In those patients who are unable to be fed via the enteral route after surgery, and in whom total or near total parenteral nutrition is required, a full range of vitamins and trace elements should be supplemented on a daily basis.
  •  
49.
  • Brindle, Mary E., et al. (författare)
  • Embracing change : the era for pediatric ERAS is here
  • 2019
  • Ingår i: Pediatric surgery international (Print). - : Springer. - 0179-0358 .- 1437-9813. ; 35:6, s. 631-634
  • Tidskriftsartikel (refereegranskat)abstract
    • The concept of Enhanced Recovery After Surgery (ERAS) has increasingly been embraced by our adult surgical colleagues, but has been slow to crossover to pediatric surgical subspecialties. ERAS® improves outcomes through multiple, incremental steps that act synergistically throughout the entire surgical journey. In practice, ERAS® is a strategy of perioperative management that is defined by strong implementation and ongoing adherence to a patient-focused, multidisciplinary, and multimodal approach. There are increasing numbers of surgical teams exploring ERAS® in children and there is mounting evidence that this approach may improve surgical care for children across the globe. The first World Congress in Pediatric ERAS® in 2018 has set the stage for a new era in pediatric surgical safety.
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50.
  • Brindle, M., et al. (författare)
  • Recommendations from the ERAS (R) Society for standards for the development of enhanced recovery after surgery guidelines
  • 2020
  • Ingår i: BJS Open. - : John Wiley & Sons. - 2474-9842. ; 4:1, s. 157-163
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: ERAS (R) Society guidelines are holistic, multidisciplinary tools designed to improve outcomes after surgery. The enhanced recovery after surgery (ERAS) approach was initially developed for colorectal surgery and has been implemented successfully across a large number of settings, resulting in improved patient outcomes. As the ERAS approach is increasingly being adopted worldwide and new guidelines are being generated for new populations, there is a need to define an ERAS (R) Society guideline and the methodology that should be followed in its development.Methods: The ERAS (R) Society recommended approach for developing new guidelines is based on the creation of multidisciplinary guideline development groups responsible for defining topics, planning the literature search, and assessing the quality of the evidence.Results: Clear definitions for the elements of an ERAS guideline involve multimodal and multidisciplinary approaches impacting on multiple patient outcomes. Recommended methodology for guideline development follows a rigorous approach with systematic identification and evaluation of evidence, and consensus-based development of recommendations. Guidelines should then be evaluated and reviewed regularly to ensure that the best and most up-to-date evidence is used consistently to support surgical patients.Conclusion: There is a need for a standardized, evidence-informed approach to both the development of new ERAS (R) Society guidelines, and the adaptation and revision of existing guidelines.
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