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- Kollind, M., et al.
(författare)
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Shock treatment in a cohort of Scandinavian intensive care units in 2014
- 2016
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Ingår i: Acta Anaesthesiologica Scandinavica. - : WILEY-BLACKWELL. - 0001-5172 .- 1399-6576. ; 60:7, s. 945-957
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundShock is common in intensive care units, and treatment includes fluids, vasopressor and/or inotropic drugs, guided by hemodynamic monitoring. The aim of this study was to identify current practice for treatment of shock in Scandinavian intensive care units. MethodsSeven-day inception cohort study in 43 intensive care units in Scandinavia. Patients 15years old receiving more than 4h of cardiovascular acting drug infusion were included. The use of fluids, vasopressor and inotropic drugs, type of monitoring, and target values were recorded. ResultsOne hundred and seventy-one patients were included. At inclusion, 136/168 (81%) had received vasopressor and/or inotropic drug therapy for less than 24h, and 143/171 (84%) had received volume loading before the onset of vasoactive drug treatment. Ringers solution was given to 129/143 (90%) of patients and starches in 3/143 (2%) patients. Noradrenaline was the most commonly used cardiovascular acting drug, given in 168/171 (98%) of cases while dopamine was rarely used. Mean arterial pressure was considered the most important variable for hemodynamic monitoring. Invasive arterial blood pressure was monitored in 166/171 (97%) of patients, arterial pulse wave analysis in 11/171 (7%), and echocardiography in 50/171 (29%). ConclusionIn this survey, Ringers solution and noradrenaline were the most common first-line treatments in shock. The use of starches and dopamine were rare. Almost all patients were monitored with invasive arterial blood pressure, but comprehensive hemodynamic monitoring was used only in a minority of patients.
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- Balintescu, A., et al.
(författare)
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Glycaemic control and sepsis risk in adults with type 1 diabetes
- 2023
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Ingår i: Diabetes Obesity & Metabolism. - : Wiley. - 1462-8902 .- 1463-1326. ; 25:7, s. 1942-1949
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Tidskriftsartikel (refereegranskat)abstract
- Aims: To study the association between glycated haemoglobin (HbA1c) and sepsis in adults with type 1 diabetes, and to explore the relationship between HbA1c and mortality among individuals who developed sepsis.Materials and Methods: We included 33 549 adult individuals with type 1 diabetes recorded in the Swedish National Diabetes Register between January 2005 and December 2015. We used multivariable Cox regression and restricted cubic spline analyses to study the relationship between HbA1c values and sepsis occurrence and association between HbA1c and mortality among those with sepsis.Results: In total, 713 (2.1%) individuals developed sepsis during the study period. Com-pared with the HbA1c reference interval of 48-52 mmol/mol (6.5-6.9%), the adjusted hazard ratio for sepsis was: 2.50 [95% confidence interval (CI) 1.18-5.29] for HbA1c <43 mmol/mol; 1.88 (95% CI 0.96-3.67) for HbA1c 43-47 mmol/mol; 1.78 (95% CI 1.09-2.89) for HbA1c 53-62 mmol/mol; 1.86 (95% CI 1.14-3.03) for HbA1c 63-72 mmol/mol; 3.15 (95% CI 1.91-5.19) for HbA1c 73-82 mmol/mol; and 4.26 (95% CI 2.53-7.16) for HbA1c >82 mmol/mol. On multivariable restricted cubic spline analy-sis, we found a J-shaped association between HbA1c and sepsis risk, with the lowest risk observed at HbA1c of approximately 53 mmol/mol. We found no association between HbA1c and mortality among those individuals who developed sepsis.Conclusions: In our nationwide observational study of adult individuals with type 1 diabetes we found a J-shaped relationship between HbA1c and risk of sepsis, with the lowest risk at HbA1c levels about 53 mmol/mol (7.0%). HbA1c was not associ-ated with mortality in individuals affected by sepsis.
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| 7. |
- Balintescu, A., et al.
(författare)
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Glycemic Control and Risk of Sepsis and Subsequent Mortality in Type 2 Diabetes
- 2022
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Ingår i: Diabetes Care. - : American Diabetes Association. - 0149-5992 .- 1935-5548. ; 45:1, s. 127-133
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE To investigate the nature of the relationship between HbA1c and sepsis among individuals with type 2 diabetes, and to assess the association between sepsis and all-cause mortality in such patients. RESEARCH DESIGN AND METHODS We included 502,871 individuals with type 2 diabetes recorded in the Swedish National Diabetes Register and used multivariable Cox regression and restricted cubic spline analyses to assess the association between time-updated HbA1c values and sepsis occurrence between 1 January 2005 and 31 December 2015. The association between sepsis and death was examined using multivariable Cox regression analysis. RESULTS Overall, 14,534 (2.9%) patients developed sepsis during the study period. On multivariable Cox regression analysis, compared with an HbA1c of 48–52 mmol/mol (6.5–6.9%), the adjusted hazard ratio for sepsis was 1.15 (95% CI 1.07–1.24) for HbA1c <43 mmol/mol (6.1%), 0.93 (0.87–0.99) for HbA1c 53–62 mmol/mol (7.0–7.8%), 1.05 (0.97–1.13) for HbA1c 63–72 mmol/mol (7.9–8.7%), 1.14 (1.04–1.25) for HbA1c 73–82 mmol/mol (8.8–9.7%), and 1.52 (1.37–1.68) for HbA1c >82 mmol/mol (9.7%). In the cubic spline model, a reduction of the adjusted risk was observed within the lower HbA1c range until 53 mmol/mol (7.0%), with a hazard ratio of 0.78 (0.73–0.82) per SD; it increased thereafter (P for nonlinearity <0.001). As compared with patients without sepsis, the adjusted hazard ratio for death among patients with sepsis was 4.16 (4.03–4.30). CONCLUSIONS In a nationwide cohort of individuals with type 2 diabetes, we found a U-shaped association between HbA1c and sepsis and a fourfold increased risk of death among those developing sepsis. © 2021 by the American Diabetes Association.
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- Oldner, A, et al.
(författare)
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The endothelin receptor antagonist bosentan restores gut oxygen delivery and reverses intestinal mucosal acidosis in porcine endotoxin shock
- 1998
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Ingår i: Gut. - : BMJ. - 0017-5749 .- 1468-3288. ; 42:5, s. 696-702
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Tidskriftsartikel (refereegranskat)abstract
- Background—Endothelin-1, the most potent vasoconstrictor known, is produced in septic states and may be involved in the pathophysiology of the deteriorated splanchnic circulation seen in septic shock.Aims—To elucidate the capability of bosentan, a non-peptide mixed endothelin receptor antagonist, to attenuate splanchnic blood flow disturbances and counteract intestinal mucosal acidosis in endotoxic shock.Methods—In 16 anaesthetised pigs, central and regional haemodynamics were monitored by thermodilution and ultrasonic flow probes, respectively. A tonometer in the ileum was used for measurement of mucosal pH. Onset of endotoxin challenge was followed by bosentan administration (to eight pigs) two hours later.Results—Endotoxin infusion reduced cardiac index and systemic oxygen delivery; bosentan restored these parameters. The reduced mean arterial blood pressure and renal blood flow remained unaffected by bosentan. The profound reduction in gut oxygen delivery in response to endotoxin was completely abolished by bosentan. Bosentan significantly improved the notably deteriorated intestinal mucosal pH and mucosal-arterial Pco2 gap. The mucosal-portal vein Pco2 gap, used to monitor the mucosa in relation to the gut as a whole (including the spleen and pancreas), was also greatly increased by endotoxaemia and significantly reversed by bosentan.Conclusion—Bosentan completely restored the profound endotoxin induced reductions in systemic and gut oxygen delivery with a concomitant reversal of intestinal mucosal acidosis. Results suggest that endothelin is involved in the pronounced perfusion disturbances seen in the gut in endotoxic shock. Bosentan may prove useful in reducing gut ischaemia in septic shock.
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- Balintescu, A., et al.
(författare)
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Prevalence and impact of chronic dysglycemia in intensive care unit patients-A retrospective cohort study
- 2021
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Ingår i: Acta Anaesthesiologica Scandinavica. - : Wiley. - 0001-5172 .- 1399-6576. ; 65:1, s. 82-91
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Tidskriftsartikel (refereegranskat)abstract
- Background The prevalence of chronic dysglycemia (diabetes and prediabetes) in patients admitted to Swedish intensive care units (ICUs) is unknown. We aimed to determine the prevalence of such chronic dysglycemia and asses its impact on blood glucose control and patient-centered outcomes in critically ill patients. Methods In this retrospective observational cohort study, we obtained glycated hemoglobin A1c (HbA1c) in patients admitted to four tertiary ICUs in Sweden between March and August 2016. Based on previous diabetes history and HbA1c we determined the prevalence of chronic dysglycemia. We used multivariable regression analyses to study the association of chronic dysglycemia with the time-weighted average blood glucose concentration, glycemic lability index (GLI), and development of hypoglycemia (co-primary outcomes), and with ICU length of stay, mechanical ventilation duration, renal replacement therapy (RRT) use, vasopressor use, ICU-acquired infections, and mortality (exploratory clinical outcomes). Results Of 943 patients, 312 (33%) had chronic dysglycemia. Of these 312 patients, 84 (27%) had prediabetes, 43 (14%) had undiagnosed diabetes and 185 (59%) had known diabetes. Chronic dysglycemia was independently associated with higher time-weighted average blood glucose concentration (P < .001), higher GLI (P < .001), and hypoglycemia (P < .001). Chronic dysglycemia was independently associated with RRT use (adjusted odds ratio 1.97, 95% CI 1.24-3.13,P = .004) but not with other exploratory clinical outcomes. Conclusions In four tertiary Swedish ICUs, measurement of HbA1c showed that one-third of patients had chronic dysglycemia. Chronic dysglycemia was associated with marked derangements in glycemic control, and a greater need for renal replacement therapy.
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- Jawad, M., et al.
(författare)
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Swedish surgical outcomes study (SweSOS) An observational study on 30-day and 1-year mortality after surgery
- 2016
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Ingår i: European Journal of Anaesthesiology. - : Ovid Technologies (Wolters Kluwer Health). - 0265-0215. ; 33:5, s. 317-325
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUNDThe European Surgical Outcomes Study (EuSOS) revealed large variations in outcomes among countries. In-hospital mortality and ICU admission rates in Sweden were low, going against the assumption that access to ICU improves outcome. Long-term mortality was not reported in EuSOS and is generally poorly described in the current literature.OBJECTIVETo describe the characteristics of the Swedish subset of EuSOS and identify predictors of short and long-term mortality after surgery.DESIGNAn observational cohort study.SETTINGSix universities and two regional hospitals in Sweden.PATIENTSA cohort of 1314 adult patients scheduled for surgery between 4 April and 11 April 2011.MAIN OUTCOME MEASURES30-day and 1-year mortality.RESULTSA total of 303 patients were lost to follow-up, leaving 1011 for analysis; 69% of patients were classified as American Society of Anesthesiologists' physical status 1 or 2, and 68% of surgical procedures were elective. The median length of stay in postanaesthesia care units (PACUs) was 175min (interquartile range 110-270); 6.6% of patients had PACU length of stay of more than 12h and 3.6% of patients were admitted to the ICU postoperatively. Thirty-day mortality rate was 1.8% [95% confidence interval (CI) 1.0-2.6] and 8.5% (CI 6.8-10.2) at 1 year (n=18 and 86). The risk of death was higher than in an age and sex-matched population after 30 days (standardised mortality ratio 10.0, CI 5.9-15.8), and remained high after 1 year (standardised mortality ratio 3.9, CI 3.1-4.8). Factors predictive of 30-day mortality were age, American Society of Anesthesiologists' physical status, number of comorbidities, urgency of surgery and ICU admission. For 1-year mortality, age, number of comorbidities and urgency of surgery were independently predictive. ICU admission and long stay in PACU were not significant predictors of long-term mortality.CONCLUSIONMortality rate increased almost five-fold at 1 year compared with 30-day mortality after surgery, demonstrating a significantly sustained long-term risk of death in this surgical population. In Sweden, factors associated with long-term postoperative mortality were age, number of comorbidities and surgical urgency.
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- Konrad, D, et al.
(författare)
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Positive inotropic and negative lusitropic effects of endothelin receptor agonism in vivo.
- 2005
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Ingår i: Am J Physiol Heart Circ Physiol. - : American Physiological Society. - 0363-6135 .- 1522-1539. ; 289:4
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Tidskriftsartikel (refereegranskat)abstract
- The endothelin (ET) system is involved in the regulation of myocardial function in health as well as in several diseases, such as congestive heart failure, myocardial infarction, and septic myocardial depression. Conflicting results have been reported regarding the acute contractile properties of ET-1. We therefore investigated the effects of intracoronary infusions of ET-1 and of the selective ET(B) receptor-selective agonist sarafotoxin 6c with increasing doses in anesthetized pigs. Myocardial effects were measured through analysis of the left ventricular pressure-volume relationship. ET-1 elicited increases in the myocardial contractile status (end-systolic elastance value of 0.94 +/- 0.11 to 1.48 +/- 0.23 and preload recruitable stroke work value of 68.7 +/- 4.7 to 83.4 +/- 7.2) that appear to be mediated through ET(A) receptors, whereas impairment in left ventricular isovolumic relaxation (tau = 41.5 +/- 1.4 to 58.1 +/- 5.0 and t(1/2) = 23.0 +/- 0.7 to 30.9 +/- 2.6, where tau is the time constant for pressure decay and t(1/2) is the half-time for pressure decay) was ET(B) receptor dependent. In addition, intravenous administration of ET-1 impaired ventricular relaxation but had no effect on contractility. Intracoronary sarafotoxin 6c administration caused impairments in left ventricular relaxation (tau from 43.3 +/- 1.8 to 54.4 +/- 3.4) as well as coronary vasoconstriction. In conclusion, ET-1 elicits positive inotropic and negative lusitropic myocardial effects in a pig model, possibly resulting from ET(A) and ET(B) receptor activation, respectively.
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- Persson, BP, et al.
(författare)
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Endotoxin induces differentiated contractile responses in porcine pulmonary arteries and veins
- 2011
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Ingår i: Journal of vascular research. - : S. Karger AG. - 1423-0135 .- 1018-1172. ; 48:3, s. 206-218
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Tidskriftsartikel (refereegranskat)abstract
- <i>Background/Aims:</i> Sepsis-induced lung injury is characterized by pulmonary hypertension, edema and deteriorated gas exchange. As in vivo studies have indicated that bacterial endotoxin predominantly induces a pulmonary venous constriction, we aimed to investigate effects of endotoxin on isolated porcine pulmonary vessels. <i>Methods:</i> Pulmonary arteries and veins were examined using in vitro isometric force recordings. Endothelin-receptor protein expression and distribution were analyzed by Western blot and immunohistochemistry. Freshly isolated preparations and vessels incubated (24 h) with/without endotoxin (10 µg·ml<sup>–1</sup>) were compared. The contractile responses to phenylephrine, UK14.304, U46619, PGF<sub>2</sub><sub>α</sub>, endothelin-1 (ET-1) and sarafotoxin were recorded, as well as the relaxation in response to acetylcholine, isoproterenol and nitroprusside. <i>Results:</i> In freshly isolated vessels, phenylephrine-induced contractions had a 5-times larger amplitude in arteries than in veins. The amplitude of the contractions in response to sarafotoxin was nearly 2 times larger in veins than in arteries, but there was no difference in responses to ET-1. Endotoxin markedly reduced phenylephrine-induced contractions in both arteries and veins, whereas the responses to ET-1 and sarafotoxin were augmented in veins only. No apparent changes in ET receptor expression or distribution were detected with Western blot or immunohistochemistry. <i>Conclusion:</i> Endotoxin differentially and selectively alters the contractile responses of porcine pulmonary vessels in vitro, towards a situation where the α-1 adrenergic responses of arteries are attenuated and the ET responses of veins are augmented. In situations with high adrenergic activity and high circulating ET levels, such as sepsis, these results may provide a mechanism contributing to pulmonary hypertension and edema formation.
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- von Oelreich, E, et al.
(författare)
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Predicting prolonged sick leave among trauma survivors
- 2019
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 9:1, s. 58-
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Tidskriftsartikel (refereegranskat)abstract
- Many survivors after trauma suffer from long-term morbidity. The aim of this observational cohort study was to develop a prognostic prediction tool for early assessment of full-time sick leave one year after trauma. Potential predictors were assessed combining individuals from a trauma register with national health registers. Two models were developed using logistic regression and stepwise backward elimination. 4458 individuals were included out of which 488 were on sick leave full-time 12 months after the trauma. One comprehensive and one simplified model were developed including nine and seven predictors respectively. Both models showed excellent discrimination (AUC 0.81). The comprehensive model had very good calibration, and the simplified model good calibration. Prediction models can be used to assess post-trauma sick leave using injury-related variables as well as factors not related to the trauma per se. Among included variables, pre-injury sick leave was the single most important predictor for full-time sick leave one year after trauma. These models could facilitate a more efficient use of resources, targeting groups for follow-up interventions to improve outcome. External validation is necessary in order to evaluate generalizability.
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