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Sökning: WFRF:(Ekelund Jan)

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1.
  • Söfteland, John M., 1977, et al. (författare)
  • Longevity of anti-spike and anti-nucleocapsid antibodies after COVID-19 in solid organ transplant recipients compared to immunocompetent controls.
  • 2022
  • Ingår i: American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons. - : Elsevier BV. - 1600-6143. ; 22:4, s. 1245-1252
  • Tidskriftsartikel (refereegranskat)abstract
    • Solid organ transplant recipients (SOTRs) are on lifelong immunosuppression, which may interfere with adaptive immunity to COVID-19. The data on dynamics and duration of antibody response in SOTRs are limited. This longitudinal study examined the longevity of both anti-spike (S)- and anti-nucleocapsid (N)-specific IgG-antibodies after COVID-19 in SOTRs compared to matched immunocompetent persons. SOTRs (n=65) were matched with controls (n=65) for COVID-19 disease severity, age, and sex in order of priority. Serum-IgG-antibodies against N- and S-antigens of SARS-CoV-2 were analyzed. At 1 and 9 months after COVID-19, anti-S-IgG detectability decreased from 91% to 82% in SOTRs versus 100% to 95% in controls, whereas the anti-N-IgG decreased from 63% to 29% in SOTRs versus 89% to 46% in controls. A matched paired analysis showed SOTRs having significantly lower levels of anti-N-IgG at all time points (1-month P=0.007, 3-months P<0.001, 6-months P=0.019 and 9-months P=0.021) but not anti-S-IgG at any time points. A mixed-model analysis confirmed these findings except for anti-S-IgG at one month (p=0.005) and identified severity score as the most important predictor of antibody response. SOTRs mount comparable S-specific, but not N-specific, antibody responses to SARS-CoV-2 infection compared to immunocompetent controls.
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2.
  • Jacobsen, Hedin, et al. (författare)
  • Tensile Strength After Closure of Mesenteric Gaps in Laparoscopic Gastric Bypass: Three Techniques Tested in a Porcine Model.
  • 2013
  • Ingår i: Obesity surgery. - : Springer Science and Business Media LLC. - 1708-0428 .- 0960-8923. ; 23:3, s. 320-324
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Internal hernias occur frequently after laparoscopic gastric bypass. We have found no data on the relative strength of the various techniques available for closing these defects. The present study was performed to obtain such data to form a theoretical basis for clinical studies. METHODS: Six piglets were operated laparoscopically and four loops of small bowel created in each. These mesenteric gaps were closed over a distance of 40mm using (1) running 2-0 Ethibond® suture, (2) Endo Hernia stapler, (3) fibrin glue (Tisseel®) and (4) controls, where the mesenteric surfaces were rubbed with a sponge and approximated without further intervention. After 6weeks, the different segments of the mesentery were excised. The tensile strength was measured using continuously increased traction until the closure ruptured. The ordinary mesentery served as the control. The breaking tension and total amount of energy transferred to the tissue were registered. RESULTS: Control areas with rubbed areas developed no adhesions. Suture and staple lines contracted by 30% in length, whereas the fibrin glued lines were even shorter. Median tensile strength was greatest for the sutured lines (14,293mN) and stapled lines (10,798mN). Fibrin glued lines were significantly weaker (6,780mN, p=0.013 and p=0.026), but as strong as ordinary mesentery (4,165mN). CONCLUSIONS: If ongoing controlled randomized trials show closure to be beneficial, further studies should include staples as one of the options for the closure of mesenteric defects. The role of fibrin glue needs to be further investigated.
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3.
  • Söfteland, John M., 1977, et al. (författare)
  • COVID-19 in solid organ transplant recipients : A national cohort study from Sweden
  • 2021
  • Ingår i: American Journal of Transplantation. - : John Wiley & Sons. - 1600-6135 .- 1600-6143. ; 21:8, s. 2762-2773
  • Tidskriftsartikel (refereegranskat)abstract
    • Solid organ transplant (SOT) recipients run a high risk for adverse outcomes from COVID-19, with reported mortality around 19%. We retrospectively reviewed all known Swedish SOT recipients with RT-PCR confirmed COVID-19 between March 1 and November 20, 2020 and analyzed patient characteristics, management, and outcome. We identified 230 patients with a median age of 54.0 years (13.2), who were predominantly male (64%). Most patients were hospitalized (64%), but 36% remained outpatients. Age >50 and male sex were among predictors of transition from outpatient to inpatient status. National early warning Score 2 (NEWS2) at presentation was higher in non-survivors. Thirty-day all-cause mortality was 9.6% (15.0% for inpatients), increased with age and BMI, and was higher in men. Renal function decreased during COVID-19 but recovered in most patients. SARS-CoV-2 antibodies were identified in 78% of patients at 1-2 months post-infection. Nucleocapsid-specific antibodies decreased to 38% after 6-7 months, while spike-specific antibody responses were more durable. Seroprevalence in 559 asymptomatic patients was 1.4%. Many patients can be managed on an outpatient basis aided by risk stratification with age, sex, and NEWS2 score. Factors associated with adverse outcomes include older age, male sex, greater BMI, and a higher NEWS2 score.
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5.
  • Acosta, C., et al. (författare)
  • Modeling the cost-effectiveness of prolonged-release fampridine for the treatment of walking impairment in patients with multiple sclerosis in Sweden
  • 2021
  • Ingår i: Journal of Medical Economics. - : Informa UK Limited. - 1369-6998 .- 1941-837X. ; 24:1, s. 770-780
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: To evaluate the cost-effectiveness of adding prolonged-release (PR)-fampridine to best supportive care (BSC) versus BSC alone for the improvement of walking ability in patients with MS. Methods: A cost-utility analysis based on a Markov model was developed to model responders and timed 25-foot walk (T25FW) scores, accumulated costs, and quality-adjusted life-years (QALY) in adults with MS and Expanded Disability Status Scale (EDSS) scores between 4 and 7. The analysis was conducted from a Swedish societal perspective. Results: In the base-case analysis, PR-fampridine plus BSC led to a higher QALY gain than BSC alone. The largest direct cost was professional care provision followed by hospital inpatient stays while the indirect cost was the loss of earnings due to days off work. The incremental cost-effectiveness ratio (ICER) for PR-fampridine plus BSC compared with BSC alone was 57,109 Swedish Kronor (kr)/QALY (€5,607/QALY [1 kr = €0.0981762 on 8 April 2021] and $6,675/QALY [1 kr = $0.116890 on 8 April 2021]). All sensitivity analyses performed resulted in ICERs below 500,000 kr (€49,088 and $58,445). Limitations: Resource use data were not specific to the Swedish market. Conclusions: PR-fampridine represents a cost-effective treatment for MS-related walking impairment in Sweden, due to improvements in patients’ quality of life and reduced healthcare resource utilization. © 2021 Biogen International GmbH. Published by Informa UK Limited, trading as Taylor & Francis Group.
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6.
  • Amilon, Sofia, 1982, et al. (författare)
  • How common are refractures in childhood? a study based on 40,000 paediatric fractures from the Swedish Fracture Register
  • 2023
  • Ingår i: Bone & Joint Journal. - 2049-4394. ; 105B:8, s. 928-934
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims The aim of this study was to describe the incidence of refractures among children, follow-ing fractures of all long bones, and to identify when the risk of refracture decreases. Methods All patients aged under 16 years with a fracture that had occurred in a bone with ongo-ing growth (open physis) from 1 May 2015 to 31 December 2020 were retrieved from the Swedish Fracture Register. A new fracture in the same segment within one year of the pri-mary fracture was regarded as a refracture. Fracture localization, sex, lateral distribution, and time from primary fracture to refracture were analyzed for all long bones. Results Of 40,090 primary fractures, 348 children (0.88%) sustained a refracture in the same long bone segment. The diaphyseal forearm was the long bone segment most commonly affected by refractures (n = 140; 3.4%). The median time to refracture was 147 days (inter-quartile range 82 to 253) in all segments of the long bones combined. The majority of the refractures occurred in boys (n = 236; 67%), and the left side was the most common side to refracture (n = 220; 62%). The data in this study suggest that the risk of refracture decreas-es after 180 days in the diaphyseal forearm, after 90 days in the distal forearm, and after 135 days in the diaphyseal tibia. Conclusion Refractures in children are rare. However, different fractured segments run a different threat of refracture, with the highest risk associated with diaphyseal forearm fractures. The data in this study imply that children who have sustained a distal forearm fracture should avoid hazardous activities for three months, while children with a diaphyseal forearm fracture should avoid these activities for six months, and for four and a half months if they have sustained a diaphyseal tibia fracture.
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8.
  • Arvidsson, A, et al. (författare)
  • Water with Food Intake Does Not Influence Caloric Intake After Gastric Bypass (GBP): a Cross-Over Trial.
  • 2015
  • Ingår i: Obesity Surgery. - : Springer Science and Business Media LLC. - 1708-0428 .- 0960-8923. ; 25:2, s. 249-253
  • Tidskriftsartikel (refereegranskat)abstract
    • Bariatric patients seeking information meet very different recommendations on postoperative diet and eating behaviour. A reason for variability may be lack of hard evidence. A national survey on current dietary advice was conducted to serve as background for the present study on how drinking during a meal influenced caloric consumption.
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9.
  • Asplund, Dan, et al. (författare)
  • Self-reported quality of life and functional outcome in patients with rectal cancer--QoLiRECT.
  • 2014
  • Ingår i: Danish medical journal. - 2245-1919. ; 61:5
  • Tidskriftsartikel (refereegranskat)abstract
    • The treatment of rectal cancer has improved, and survival rates today exceed those of colon cancer, but functional impairments and other adverse effects of treatment are common among patients. The impact of treatment on patients' quality of life (QoL) remains unclear. Many of the common QoL instruments are brief and not sufficiently detailed to provide a deeper understanding of the factors that determine QoL. The aim of this study was to explore patients' experiences and long-term QoL in an unselected cohort of patients with rectal cancer.
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10.
  • Axelson, Jan, et al. (författare)
  • The changes in the rat parotid glands following total parenteral nutrition and pancreatico-biliary diversion are not mediated by cholecystokinin
  • 1996
  • Ingår i: International Journal of Pancreatology. - 0169-4197. ; 20:2, s. 109-118
  • Tidskriftsartikel (refereegranskat)abstract
    • CONCLUSIONS: The results of the present study suggest that the pancreas and parotid glands both respond with hypoplasia during absence of food in the digestive tract and with hyperplasia following pancreatico-biliary diversion (PBD). Factors other than cholecystokinin (CCK) are, however, involved in the effects on the parotid glands, since infusion of CCK-8S and devazepide was without influence. BACKGROUND AND AIM: Total parenteral nutrition (TPN) causes reduced pancreatic weight, whereas PBD evokes hyperCCKemia and enlargement of the rat pancreas. The pancreas and parotid glands have in part similar morphology and function. Therefore, we studied the possible presence of alterations also in the parotid glands during TPN, after PBD and during infusion of sulfated cholecystokinin (CCK-8S) and the CCK-A receptor antagonist devazepide, respectively. MATERIALS AND RESULTS: Rats either received TPN for 7 d, or were kept under otherwise identical conditions with free access to food and water. TPN markedly reduced both pancreatic and parotid wet weight and thereby also the protein and amylase contents, and pancreatic DNA content was decreased. There was a significant correlation between the pancreas and parotid glands when comparing these parameters. The concentration of plasma CCK was unaffected by TPN. PBD caused a sevenfold increase in plasma CCK and a three fold increase in the pancreatic weight compared to control rats 28 d after the operation. The protein and DNA contents in the pancreas were found to be increased. The parotid glands increased twofold in weight, but their protein and amylase contents were not affected. There was a significant correlation between the pancreas and parotid glands when comparing weight, and protein and amylase concentrations. Infusion of CCK-8S during 28 d caused a marked increase in pancreatic wet wt and protein and DNA contents. The CCK-A receptor antagonist devazepide induced a reduction in protein and DNA contents in the pancreas. The parotid glands were not affected by either treatment. No effect on the labeling index of serous and ductal cells of the parotid gland was seen at 36 h, 3, 7, and 28 d of infusion with CCK-8S or devazepide.
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11.
  • Bartfay, Sven-Erik, et al. (författare)
  • Durable circulatory support with a paracorporeal device as an option for pediatric and adult heart failure patients.
  • 2021
  • Ingår i: The Journal of thoracic and cardiovascular surgery. - : Elsevier BV. - 1097-685X .- 0022-5223. ; 161:4
  • Tidskriftsartikel (refereegranskat)abstract
    • Not all patients in need of durable mechanical circulatory support are suitable for a continuous-flow left ventricular assist device. We describe patient populations who were treated with the paracorporeal EXCOR, including children with small body sizes, adolescents with complex congenital heart diseases, and adults with biventricular failure.Information on clinical data, echocardiography, invasive hemodynamic measurements, and surgical procedures were collected retrospectively. Differences between various groups were compared.Between 2008 and 2018, a total of 50 patients (21 children and 29 adults) received an EXCOR as bridge to heart transplantation or myocardial recovery. The majority of patients had heart failure compatible with Interagency Registry for Mechanically Assisted Circulatory Support profile 1. At year 5, the overall survival probability for children was 90%, and for adults 75% (P=.3). After we pooled data from children and adults, the survival probability between patients supported by a biventricular assist device was similar to those treated with a left ventricular assist device/ right ventricular assist device (94% vs 75%, respectively, P=.2). Patients with dilated cardiomyopathy had a trend toward better survival than those with other heart failure etiologies (92% vs 70%, P=.05) and a greater survival free from stroke (92% vs 64%, P=.01). Pump house exchange was performed in nine patients due to chamber thrombosis (n=7) and partial membrane rupture (n=2). There were 14 cases of stroke in eleven patients.Despite severe illness, patient survival on EXCOR was high, and the long-term overall survival probability following heart transplantation and recovery was advantageous. Treatment safety was satisfactory, although still hampered by thromboembolism, mechanical problems, and infections.
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12.
  • Bentham, James, et al. (författare)
  • A century of trends in adult human height
  • 2016
  • Ingår i: eLIFE. - 2050-084X. ; 5
  • Tidskriftsartikel (refereegranskat)abstract
    • Being taller is associated with enhanced longevity, and higher education and earnings. We reanalysed 1472 population-based studies, with measurement of height on more than 18.6 million participants to estimate mean height for people born between 1896 and 1996 in 200 countries. The largest gain in adult height over the past century has occurred in South Korean women and Iranian men, who became 20.2 cm (95% credible interval 17.522.7) and 16.5 cm (13.319.7) taller, respectively. In contrast, there was little change in adult height in some sub-Saharan African countries and in South Asia over the century of analysis. The tallest people over these 100 years are men born in the Netherlands in the last quarter of 20th century, whose average heights surpassed 182.5 cm, and the shortest were women born in Guatemala in 1896 (140.3 cm; 135.8144.8). The height differential between the tallest and shortest populations was 19-20 cm a century ago, and has remained the same for women and increased for men a century later despite substantial changes in the ranking of countries.
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13.
  • Bentham, James, et al. (författare)
  • A century of trends in adult human height
  • 2016
  • Ingår i: eLIFE. - : eLife Sciences Publications Ltd. - 2050-084X. ; 5
  • Tidskriftsartikel (refereegranskat)abstract
    • Being taller is associated with enhanced longevity, and higher education and earnings. We reanalysed 1472 population-based studies, with measurement of height on more than 18.6 million participants to estimate mean height for people born between 1896 and 1996 in 200 countries. The largest gain in adult height over the past century has occurred in South Korean women and Iranian men, who became 20.2 cm (95% credible interval 17.5–22.7) and 16.5 cm (13.3– 19.7) taller, respectively. In contrast, there was little change in adult height in some sub-Saharan African countries and in South Asia over the century of analysis. The tallest people over these 100 years are men born in the Netherlands in the last quarter of 20th century, whose average heights surpassed 182.5 cm, and the shortest were women born in Guatemala in 1896 (140.3 cm; 135.8– 144.8). The height differential between the tallest and shortest populations was 19-20 cm a century ago, and has remained the same for women and increased for men a century later despite substantial changes in the ranking of countries.
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14.
  • Bergdahl, Carl, et al. (författare)
  • Mortality after a proximal humeral fracture
  • 2020
  • Ingår i: Bone and Joint Journal. - 2049-4394 .- 2049-4408. ; 102-B, s. 1484-1490
  • Tidskriftsartikel (refereegranskat)abstract
    • © 2020 The British Editorial Society of Bone & Joint Surgery Aims The aims of this study were to investigate the mortality following a proximal humeral fracture. Data from a large population-based fracture register were used to quantify 30-day, 90-day, and one-year mortality rates after a proximal humeral fracture. associations between the risk of mortality and the type of fracture and its treatment were assessed, and mortality rates were compared between patients who sustained a fracture and the general population. methods all patients with a proximal humeral fracture recorded in the Swedish Fracture register between 2011 and 2017 were included in the study. Those who died during follow-up were identified via linkage with the Swedish Tax Agency population register. Age- and sex-adjusted controls were retrieved from Statistics Sweden and standardized mortality ratios (Smrs) were calculated. results a total of 18,452 patients who sustained a proximal humeral fracture were included. Their mean age was 68.8 years (16 to 107) and the majority (13,729; 74.4%) were women. a total of 310 (1.68%) died within 30 days, 615 (3.33%) within 90 days, and 1,445 (7.83%) within one year after the injury. The mortality in patients sustaining a fracture and the general population was 1,680/100,000 and 326/100,000 at 30 days, 3,333/100,000 and 979/100,000 at 90 days, and 7,831/100,000 and 3,970/100,000 at one year, respectively. Increasing age, male sex, low-energy trauma, type a fracture, concomitant fractures, and non-surgical treatment were all independent factors associated with an increased risk of mortality. Conclusion Compared with the general population, patients sustaining a proximal humeral fracture have a significantly higher risk of mortality up to one year after the injury. The risk of mortality is five times higher during the first 30 days, diminishing to two times higher at one year, suggesting that these patients constitute a strikingly frail group, in whom appropriate immediate management and medical optimization are required.
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15.
  • Bobbio, Emanuele, et al. (författare)
  • Association between central haemodynamics and renal function in advanced heart failure: a nationwide study from Sweden.
  • 2022
  • Ingår i: ESC heart failure. - : Wiley. - 2055-5822. ; 9:4, s. 2654-2663
  • Tidskriftsartikel (refereegranskat)abstract
    • Renal dysfunction in patients with heart failure (HF) has traditionally been attributed to declining cardiac output and renal hypoperfusion. However, other central haemodynamic aberrations may contribute to impaired kidney function. This study assessed the relationship between invasive central haemodynamic measurements from right-heart catheterizations and measured glomerular filtration rate (mGFR) in advanced HF.All patients referred for heart transplantation work-up in Sweden between 1988 and 2019 were identified through the Scandiatransplant organ-exchange organization database. Invasive haemodynamic variables and mGFR were retrieved retrospectively. A total of 1001 subjects (49±13years; 24% female) were eligible for the study. Analysis of covariance adjusted for age, sex, and centre revealed that higher right atrial pressure (RAP) displayed the strongest relationship with impaired GFR [β coefficient -0.59; 95% confidence interval (CI) -0.69 to -0.48; P<0.001], followed by lower mean arterial pressure (MAP) (β coefficient 0.29; 95% CI 0.14-0.37; P<0.001), and finally reduced cardiac index (β coefficient 3.51; 95% CI 2.14-4.84; P<0.003). A combination of high RAP and low MAP was associated with markedly worse mGFR than any other RAP/MAP profile, and high renal perfusion pressure (RPP, MAP minus RAP) was associated with superior renal function irrespective of the degree of cardiac output.In patients with advanced HF, high RAP contributed more to impaired GFR than low MAP. A higher RPP was more closely related to GFR than was high cardiac index.
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16.
  • Brandt Knutsson, Sara, et al. (författare)
  • Femoral fracture classification in the Swedish Fracture Register - A validity study
  • 2019
  • Ingår i: BMC Musculoskeletal Disorders. - : Springer Science and Business Media LLC. - 1471-2474. ; 20
  • Tidskriftsartikel (refereegranskat)abstract
    • © 2019 The Author(s). Background: A total of more than 270,000 fractures are registered in the Swedish Fracture Register (SFR), a national quality register. Fractures are classified following the AO/OTA classification, commonly by a junior doctor. As a step in the process of validating the data in the SFR, several studies of the accuracy of the fracture classification have already been published. The aim of this study was to evaluate the accuracy of femoral fracture classification in the SFR. Methods: One hundred and eighteen femur fractures were randomly selected from the SFR. Three experienced orthopaedic surgeons individually classified these fractures on two separate occasions and a gold standard classification was established. This classification was compared with the original classification in the SFR. Inter- and intraobserver agreement was calculated. Results: The agreement between the classification in the SFR and the gold standard classification was kappa = 0.65 for the AO/OTA group and kappa = 0.83 for the AO/OTA type. This corresponds to substantial and almost perfect agreement, according to Landis and Koch. The kappa values for interobserver agreement ranged from 0.64-0.76 for the AO/OTA group and 0.76-0.85 for the AO/OTA type. The kappa values for intraobserver agreement ranged from 0.79-0.81 for the AO/OTA group and 0.91-0.93 for the AO/OTA type. Conclusions: The classification of femoral fractures in the Swedish Fracture Register is substantial (AO/OTA group) to almost perfect (AO/OTA type) and as accurate as in previous studies. The present study also shows that the agreement between the SFR classification and a gold standard classification is in the same range of agreement as between experienced raters. In contrast to previous studies, the classifications in the SFR are made by an unselected group of mostly inexperienced classifiers. The results indicate that the fracture classification in a national quality register can be accurate enough to permit the evaluation of fracture treatment in specific groups of fractures.
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17.
  • Cazzola, M., et al. (författare)
  • Onset of action of formoterol versus salmeterol via dry powder inhalers in moderate chronic obstructive pulmonary disease: A randomized, placebo-controlled, double-blind, crossover study
  • 2012
  • Ingår i: Clinical Drug Investigation. - : Springer Science and Business Media LLC. - 1173-2563 .- 1179-1918. ; 32:3, s. 147-155
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Bronchodilator therapy is central to the symptomatic management of chronic obstructive pulmonary disease (COPD), and treatment with short-acting bronchodilators is recommended in patients with mild COPD. Objective: This study aimed to evaluate the onset of effect of single-dose formoterol 9 μg versus single-dose salmeterol 50 μg in patients with moderate COPD. Methods: In this multicentre, double-blind, double-dummy, placebo-controlled, three-way single-dose crossover study, patients ≥40 years of age with moderate COPD were randomized to single-dose formoterol 9 μg via Turbuhaler® plus placebo via Diskus®, single-dose salmeterol 50 μg via Diskus® plus placebo via Turbuhaler® or placebo via Turbuhaler® and Diskus® (washout period 2-7 days). Terbutaline 0.5mg/actuation via Turbuhaler® was used as reliever medication throughout. The primary endpoint was forced expiratory volume in 1 second (FEV 1) at 5 minutes post-dose. Secondary endpoints included proportion of patients achieving ≥12%increase in FEV1 at 5 minutes post-dose. Results: 109 patients were randomized, and 108 completed the study. The increase in FEV1 5 minutes post-dose versus pre-dose was 7.2% for formoterol, 4.1% for salmeterol and 0.7% for placebo, and significantly greater for formoterol versus salmeterol (ratio of treatment effects: 1.030; 95% CI 1.008, 1.052; p = 0.009), for formoterol versus placebo (1.064, 95% CI 1.041, 1.087; p < 0.001) and for salmeterol versus placebo (1.033, 95% CI 1.011, 1.056; p = 0.003). The proportions of patients with ≥12% increase in FEV 1 5 minutes post-dose were 23.1%, 9.2%and 6.4%for formoterol, salmeterol and placebo, respectively; this was statistically significantly larger after formoterol than salmeterol (p = 0.008) or placebo (p < 0.001). All treatments were well tolerated. Conclusion: In COPD patients, formoterol 9 μg has an onset of bronchodilatory effect that is more rapid than salmeterol 50 μg based on FEV 1 at 5minutes post-dose. © 2012 Adis Data Information BV. All rights reserved.
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18.
  • Correa-Marinez, Adiela, et al. (författare)
  • Stoma-Const - the technical aspects of stoma construction: study protocol for a randomised controlled trial.
  • 2014
  • Ingår i: Trials. - : Springer Science and Business Media LLC. - 1745-6215. ; 15
  • Tidskriftsartikel (refereegranskat)abstract
    • The construction of a colostomy is a common procedure, but the evidence for the different parts of the construction of the colostomy is lacking. Parastomal hernia is a common complication of colostomy formation. The aim of this study is to standardise the colostomy formation and to compare three types of colostomy formation (one including a mesh) regarding the development of parastomal hernia.
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19.
  • Dakhel, Ardwan, et al. (författare)
  • Higher long-term cardiovascular morbidity after open surgery for intermittent claudication caused by infrainguinal atherosclerotic disease in patients with diabetes - A nationwide observational cohort study
  • 2021
  • Ingår i: Vasa - European Journal of Vascular Medicine. - : Hogrefe Publishing Group. - 0301-1526. ; 50:3, s. 224-230
  • Tidskriftsartikel (refereegranskat)abstract
    • Summary: Background: Diabetes mellitus (DM) is a risk factor for peripheral arterial disease (PAD). Indications for open surgery in infrainguinal intermittent claudication (IC) are limited, and reports are lacking regarding outcomes in DM patients. Study aims were to compare short and long-term effects on major adverse cardiovascular events (MACE), acute myocardial infarction (AMI), stroke, major amputation, and mortality after infrainguinal open surgery for IC in patients with and without DM, and to evaluate relationships between glycaemic control and outcomes. Methods: Nationwide observational cohort study of all patients registered in the Swedish Vascular Registry after planned infrainguinal open surgery for IC from January 1st 2010 to December 31st 2014. Patients registered in the National Diabetes Registry were compared with patients without diabetes by propensity score adjusted comparison of MACE, AMI, stroke, major amputation, and mortality. Results: After 30 days, there were no differences in MACE, AMI, stroke, major amputation, or mortality between patients with (n = 323, mean age 70.5 [SD 7.4] years, 92 [28.5%] females) and without (n = 679, mean age 69.7 years [SD 11.2], 234 [34.5%] females) DM. At last follow-up after median 5.2 years, patients with DM showed higher rates of MACE (Hazard ratio [HR] 1.33, confidence interval [CI] 1.08-1.62; p < 0.01), and AMI (HR 2.21, CI 1.46-3.35; p < 0.01) than patients without diabetes. Among DM patients, higher glycated haemoglobin (HbA1c) was associated with higher rates of MACE (HR 1.02, CI 1.00-1.03; p = 0.02), stroke (HR 1.05, CI 1.00-1.11; p = 0.04), and total mortality (HR 1.03, CI 1.01-1.06; p < 0.01), during follow-up, whereas duration of diabetes was associated with higher rate of major amputation (HR 1.08, CI 1.02-1.15; p < 0.01). Conclusions: DM patients showed higher rates of MACE and AMI in propensity score adjusted analysis five years after planned infrainguinal open surgery for IC. Higher HbA1c was associated with MACE, stroke, and total mortality in patients with DM, whereas longer duration of DM was associated with major amputation.
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21.
  • Ekelund, Helena (författare)
  • The agencification of Europe: explaining the establishment of European Community agencies
  • 2010
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Governance in the European Union is being transformed through the increased use of agencies to perform a range of functions in a variety of policy areas. The European Commission believes that agencies can add value but admits that their establishment has not been accompanied with a “common understanding” of their roles and purposes. In this thesis, I take the approach that such an understanding is best reached through examination of existing agencies. Focusing on the most common type of agency in the EU, i.e. Community Agencies, this thesis provides a four-level analysis. At the conceptual level, the thesis deals with the ‘agency’ concept. Drawing on public management literature, the empirical level involves classification of these diverse bodies. The contribution of the thesis at the theoretical level is to identify the key driving factors behind agency establishment; following a theoretical framework devised from new institutionalist theories I trace and analyse the establishment process of four case study agencies. The research reveals that to fully understand the establishment of agencies we need to draw on more than one strand of new institutionalism, as they can explain different aspects of agency creation. As a wider outlook the thesis reflects on the role of agencies, relating it to the wider academic debates on the ‘regulatory state’ and its implications for legitimacy.
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22.
  • Ekelund, Jan-Anders, et al. (författare)
  • Implant treatment in the edentulous mandible: a prospective study on Brånemark system implants over more than 20 years.
  • 2003
  • Ingår i: The International journal of prosthodontics. - 0893-2174. ; 16:6, s. 602-8
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: This prospective investigation studied the clinical and radiographic performance of mandibular fixed prostheses supported by osseointegrated implants over more than 20 years. MATERIALS AND METHODS: A total of 273 standard Brånemark implants (10 mm long) were placed in 47 patients between 1978 and 1982. Clinical and radiographic data collected at several examinations over the 20-year observation period have been reported previously. This study presents the outcome of the latest follow-up after 20 to 23 years. RESULTS: Thirty patients (64%; 75% of those still alive) attended the 20-year follow-up examination. Three implants were lost during the entire observation period, and the 20-year implant cumulative survival rate was 98.9%. All patients had continuous prosthesis function, but two had their mandibular prostheses remade during the 20 years. No implants or prostheses were lost or fractured during the last 5 years, and only a few prosthodontic complications were noted. The mean bone level was 1.6 mm (SD 0.90) below the reference point after 20 years, and mean bone loss was 0.2 mm (SD 0.22) between the 15- and 20-year follow-ups. Thirty-seven implants (24%) showed more than two exposed threads at the 15-year follow-up examination, but only four implants (3%) presented pain and/or bone loss exceeding one thread (0.6 mm) during the last 5 years. CONCLUSION: The successful treatment result after 15 years continued up to more than 20 years in function. During the last 5 years, a majority of the implants with several exposed implant threads could be maintained without any complications, and the frequency of implants showing signs of ongoing peri-implantitis was less than 3%.
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23.
  • Ekelund, Mikael, et al. (författare)
  • Gastroesophageal Reflux after Vertical Banded Gastroplasty is Alleviated by Conversion to Gastric Bypass.
  • 2012
  • Ingår i: Obesity Surgery. - : Springer Science and Business Media LLC. - 1708-0428 .- 0960-8923. ; 22:6, s. 851-854
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Conversion operations after vertical banded gastroplasty (VBG) are sometimes performed because of vomiting and/or acid regurgitation. Primary operation with gastric bypass (GBP) is known to reduce gastroesophageal reflux (GERD). Previous studies have not been designed to differentiate between the effects of the altered anatomy and of the ensuing weight loss. No series has reported data on acid reflux before and after conversion from VBG to GBP. METHODS: We invited eight VBG patients with current symptoms of GERD. All had intact staple lines as assessed by barium meal and gastroscopy. Acid reflux was quantified using 48-h Bravo capsule measurements. Conversion operations were performed creating an isolated 15-20-ml pouch; the previously banded part of gastric wall was excised. Gastrojejunostomy was made end to end with a 28-mm circular stapler. The study is based on five patients consenting to early postoperative endoscopy and pH measurement. RESULTS: All patients were women with a mean age of 49.5 years and BMI of 36.3. Time since VBG was 132.1 months. Time from conversion to second measurement was 46.6 days and BMI at that time 32.7. There was no mortality and no serious morbidity. All patients improved clinically and no patient had to go back on proton pump inhibition or antacids. Total time with pH < 4.0 was reduced from 18.4% to 3.3% (p < 0.05). DeMeester score was reduced from 58.1 to 15.9 (p < 0.05). CONCLUSIONS: The effect of converting VBG-operated patients to GBP results in a near-normalisation of acid reflux parameters and a discontinuation of proton pump inhibitor medication.
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24.
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25.
  • Ekelund, Ulf, 1960-, et al. (författare)
  • Does physical activity equally predict gain in fat mass among obese and nonobese young adults?
  • 2007
  • Ingår i: International Journal of Obesity. - : Springer Science and Business Media LLC. - 0307-0565 .- 1476-5497. ; 31:1, s. 65-71
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Differences in energy metabolism and physical activity (PA) may contribute to the long-term regulation of body weight (BW).OBJECTIVE: To examine the associations between metabolic determinants, energy expenditure and objectively measured components of PA with change in BW and fat mass (FM). DESIGN: Prospective (4 years.), case-control study in obese (n=13) and normal weight (n=15) young adults.MEASUREMENTS: At baseline, we measured resting metabolic rate, substrate oxidation, movement economy (ml O(2) kg(-1) min(-1)), aerobic fitness (VO(2max)), total and PA energy expenditure by doubly labelled water, and PA by accelerometry. Fat mass was measured by DXA. At follow-up we repeated our measurements of PA and FM.RESULTS: Fat mass increased significantly (P<0.001) in both groups. Physical activity did not change between baseline and 'follow up'. Change in overall PA (counts per minute) was inversely associated with change in BW and (beta=-0.0124, P=0.054) and FM (beta=-0.008, P=0.04). Post hoc analyses suggested that this association was explained by changes in the normal weight group only (beta=-0.01; P=0.008; and beta=-0.0097; P=0.009, for BW and FM, respectively). Metabolic determinants, energy expenditure estimates and subcomponents of PA (i.e. time spent at different intensity levels) were not significantly associated with change in BW or FM.CONCLUSION: Our results suggest an independent association between PA and FM. However, this association may differ depending on obesity status. The gain in FM, without any change in PA, may suggest that dietary intake is the major contributor to the positive energy balance.
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26.
  • Ekelund, Ulf, 1960-, et al. (författare)
  • Physical activity but not energy expenditure is reduced in obese adolescents : a case-control study
  • 2002
  • Ingår i: American Journal of Clinical Nutrition. - : Elsevier BV. - 0002-9165 .- 1938-3207. ; 76:5, s. 935-941
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The influence of physical activity on body weight in children and adolescents is controversial.OBJECTIVE: The objective was to test the hypothesis that the intensity and duration of physical activity differ between obese and normal-weight adolescents, with no difference in estimated energy expenditure.DESIGN: We compared physical activity in 18 (8 males, 10 females) obese [body mass index (in kg/m(2)) > 30] adolescents (14-19 y) with that in a matched, normal-weight (BMI < 27) control group. Total energy expenditure (TEE) was measured with the doubly labeled water method, and physical activity was measured simultaneously by accelerometry. The physical activity level was determined as the ratio of TEE to the resting metabolic rate (RMR) and activity energy expenditure as 0.9 TEE minus RMR. Accelerometry data included total physical activity (counts x min(-1) x d(-1)), accumulated and continuous duration of activity, and continuous 10-min periods of physical activity of moderate intensity.RESULTS: There was no significant difference in adjusted (analysis of covariance) TEE, RMR, or AEE between groups. The physical activity level was significantly lower (P < 0.05) in the obese group. No sex x group interaction was observed. Differences in total physical activity (P < 0.001), accumulated time (P < 0.05), continuous time (P < 0.01), and continuous 10-min periods of physical activity of moderate intensity (P < 0.01) were observed between groups.CONCLUSIONS: Obese adolescents are less physically active than are normal-weight adolescents, but physical activity-related energy expenditure is not significantly different between groups. The data suggest that physical activity is not necessarily equivalent to the energy costs of activity.
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27.
  • Eliasson, Björn, et al. (författare)
  • Nationwide cardiovascular risk categorization : applying the European Society of Cardiology (ESC) guidelines to the Swedish National Diabetes Register
  • 2022
  • Ingår i: European Journal of Preventive Cardiology. - : Oxford University Press. - 2047-4873 .- 2047-4881. ; 824
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: The 2021 European Society of Cardiology (ESC) guidelines recommend that patients with type 2 diabetes (T2D) with a very high cardiovascular disease (CVD) risk receive cardiovascular (CV)-protective glucose-lowering medication (glucagon-like peptide-1 receptor agonists or sodium-glucose co-transporter-2 inhibitors). This analysis compared previous prescribing practices with the ESC recommendations.METHODS AND RESULTS: Patients in the Swedish National Diabetes Register (NDR) with T2D, aged 18-90 years, not receiving CV-protective glucose-lowering medication in 2017 were identified, and the ESC criteria for very high CVD risk was applied. The composite outcome of major adverse CV events (MACE; defined as CV death, non-fatal stroke or non-fatal myocardial infarction) during 2017 was calculated and the number of MACE avoided with semaglutide, an example of a CV-protective glucose-lowering medication, was estimated for patients within a certain CV risk score.Of the 320,028 patients in the NDR with T2D who were not receiving CV-protective glucose-lowering medication, 129,512 patients had a very high CVD risk. Patients with a very high CVD risk had a high incidence of MACE (75.4 events/1000 person-years), which was higher in those with atherosclerotic CVD (ASCVD) with and without elevated glycated haemoglobin (>9%; 136.5 and 90.8 events/1000 person-years, respectively). If patients with a very high CVD risk, according to the ESC, and ASCVD received semaglutide, 803 MACE may have been avoided in 2017.CONCLUSIONS: This analysis highlights differences between previous prescribing practices in Sweden and the 2021 ESC guidelines, and offers strategies to prioritize CV-protective glucose-lowering medication for patients who would benefit most.
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28.
  • Fan, Bo-Guang, et al. (författare)
  • Total parenteral nutrition influences both endocrine and exocrine function of rat pancreas
  • 1997
  • Ingår i: Pancreas. - 0885-3177. ; 15:2, s. 147-153
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to examine the effect of total parenteral nutrition (TPN) on the endocrine and exocine function of the pancreas. Endocrine function was investigated using an intravenous glucose tolerance test (IGTT) in rats with TPN for 7 or 14 days. Exocrine function was evaluated by measuring amylase secretion from isolated acini as well as pancreatic weight, water content, protein, and enzymes after 7 days of TPN. When the TPN rats were compared with the controls, the glucose tolerance curve after an IGTT was unchanged, the basal plasma insulin levels were slightly lower and the insulin secretory response to intravenous glucose was markedly impaired. No differences could be seen between the insulin response after 7 days and that after 14 days of TPN. The weight of pancreas, the total content and concentration of pancreatic protein, and the total amylase content of the pancreas were lower, whereas the total content of both chymotrypsin and trypsin was higher. The concentration of DNA remained intact, whereas the total DNA content decreased. The levels of lipolytic enzymes, except for carboxylesterlipase, were unaffected. After TPN treatment, the insulin secretory response to glucose is impaired, the exocrine pancreas is hypoplastic and the storage pattern of pancreatic exocrine enzymes is altered.
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29.
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30.
  • Hedenbro, Jan, et al. (författare)
  • Formation of the Scandinavian Obesity Surgery Registry, SOReg
  • 2015
  • Ingår i: Obesity Surgery. - : Springer Science and Business Media LLC. - 0960-8923 .- 1708-0428. ; 25:10, s. 1893-1900
  • Tidskriftsartikel (refereegranskat)abstract
    • Obesity surgery is expanding, the quality of care is ever more important, and learning curve assessment should be established. A large registry cohort can show long-term effects on obesity and its comorbidities, complications, and long-term side effects of surgery, as well as changes in health-related quality of life (QoL). Sweden is ideally suited to the task of data collection and audit, with universal use of personal identification numbers, nation-wide registries permitting cross-matching to analyze causes of death, in-hospital care, and health-related absenteeism. In 2004, the Scandinavian Obesity Surgery Registry (SOReg) was initiated and government financing secured. A project group created a national database covering all public as well as private hospitals. Data entry was to be made online, operative definitions of comorbidity were formed, and complication severity scored. Several forms of audit were devised. After pilot studies, the system has been running in its present form since 2007. Since 15 January 2013, SOReg covers all bariatric surgery centers in Sweden. The number of operations in the database exceeded 40,000 (March 2014), with a median follow-up of 2.94 years. Audit shows that > 98 % of data are correct. All results are publicized annually on the Internet. Using this systematic approach, it has been possible to cover > 99 % of all bariatric surgery, cross-matching our data with nation-wide registries for in-hospital care, cause of death, and permitting regular nation-wide audit. Several scientific studies have used, or are using, what seems to be the most comprehensive database in obesity surgery.
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31.
  • Höskuldsdóttir, Gudrun, et al. (författare)
  • Potential Benefits and Harms of Gastric Bypass Surgery in Obese Individuals With Type 1 Diabetes : A Nationwide, Matched, Observational Cohort Study
  • 2020
  • Ingår i: Diabetes Care. - : American Diabetes Association. - 0149-5992 .- 1935-5548. ; 43:12, s. 3079-3085
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To study the potential long-term benefits and possible complications of bariatric surgery in patients with type 1 diabetes (T1D).RESEARCH DESIGN AND METHODS: In this register-based nationwide cohort study, we compared individuals with T1D and obesity who underwent Roux-en-Y gastric bypass (RYGB) surgery with patients with T1D and obesity matched for age, sex, BMI, and calendar time that did not undergo surgery. By linking the Swedish National Diabetes Register and Scandinavian Obesity Surgery Registry study individuals were included between 2007 and 2013. Outcomes examined included all-cause mortality, cardiovascular disease, stroke, heart failure, and hospitalization for serious hypo- or hyperglycemic events, amputation, psychiatric disorders, changes in kidney function, and substance abuse.RESULTS: We identified 387 individuals who had undergone RYGB and 387 control patients. Follow-up for hospitalization was up to 9 years. Analysis showed lower risk for cardiovascular disease (hazard ratio [HR] 0.43; 95% CI 0.20-0.9), cardiovascular death (HR 0.15; 95% CI 0.03-0.68), hospitalization for heart failure (HR 0.32; 95% CI 0.15-0.67) and stroke (HR 0.18; 95% CI 0.04-0.82) for the RYGB group. There was a higher risk for serious hyperglycemic events (HR 1.99; 95% CI 1.07-3.72) and substance abuse (HR 3.71; 95% CI 1.03-3.29) after surgery.CONCLUSIONS: This observational study suggests bariatric surgery may yield similar benefits on risk for cardiovascular outcomes and mortality in patients with T1D and obesity as for patients with type 2 diabetes. However, some potential serious adverse effects suggest need for careful monitoring of such patients after surgery.
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32.
  • Jacobsen, Carsten Suhr, et al. (författare)
  • Inter-laboratory testing of the effect of DNA blocking reagent G2 on DNA extraction from low-biomass clay samples
  • 2018
  • Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 8
  • Tidskriftsartikel (refereegranskat)abstract
    • Here we show that a commercial blocking reagent (G2) based on modified eukaryotic DNA significantly improved DNA extraction efficiency. We subjected G2 to an inter-laboratory testing, where DNA was extracted from the same clay subsoil using the same batch of kits. The inter-laboratory extraction campaign revealed large variation among the participating laboratories, but the reagent increased the number of PCR-amplified16S rRNA genes recovered from biomass naturally present in the soils by one log unit. An extensive sequencing approach demonstrated that the blocking reagent was free of contaminating DNA, and may therefore also be used in metagenomics studies that require direct sequencing.
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33.
  • Karason, Kristjan, 1962, et al. (författare)
  • Effect of growth hormone treatment on circulating levels of NT-proBNP in patients with ischemic heart failure.
  • 2020
  • Ingår i: Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society. - : Elsevier BV. - 1532-2238. ; 55
  • Tidskriftsartikel (refereegranskat)abstract
    • Growth hormone (GH) therapy in heart failure (HF) is controversial. We investigated the cardiovascular effects of GH in patients with chronic HF due to ischemic heart disease.In a double-blind, placebo-controlled trial, we randomly assigned 37 patients (mean age 66years; 95% male) with ischemic HF (ejection fraction [EF]<40%) to a 9-month treatment with either recombinant human GH (1.4mg every other day) or placebo, with subsequent 3-month treatment-free follow-up. The primary outcome was change in left ventricular (LV) end-systolic volume measured by cardiac magnetic resonance (CMR). Secondary outcomes comprised changes in cardiac structure and EF. Prespecified tertiary outcomes included changes in New York Heat Association (NYHA) functional class and quality of life (QoL), as well as levels of insulin-like growth factor-1 (IGF-1) and N-terminal pro-brain natriuretic peptide (NT-proBNP).No changes in cardiac structure or systolic function were identified in either treatment group; nor did GH treatment affect QoL or functional class. In the GH group, circulating levels of IGF-1 doubled from baseline (+105%; p<0.001) and NT-proBNP levels halved (-48%; p<0.001) during the treatment period, with subsequently a partial return of both towards baseline levels. No changes in IGF-1 or NT-proBNP were observed in the placebo group at any time during the study.In patients with chronic ischemic HF, nine months of GH treatment was associated with significant increases in levels of IGF-1 and reductions in levels of NT-proBNP, but did not affect cardiac structure, systolic function or functional capacity.
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34.
  • Larsson, Jan, et al. (författare)
  • Trends in the Development of Collaboration between Horticultural Research, Education and Industry
  • 2009
  • Ingår i: Acta Horticulturae. - 0567-7572 .- 2406-6168. ; 831, s. 55-64
  • Konferensbidrag (refereegranskat)abstract
    • Research and teaching skills are no longer the only requirements on qualified scholars, who are now expected also to have skills in facilitation and ability to collaborate with the environment. One example of how such co-operation can be organised is 'Partnership Alnarp', an organisation of representatives of the Swedish University of Agricultural Sciences (SLU) and member companies or organisations within the industry. The structure of research, higher and professional education and advisory services has been described as constituting the Agricultural Knowledge System (AKS), when applied to agriculture as a whole. The scope of this paper is to describe and discuss the Triple Helix Concept of co-operation between academia, industry and government, the changes in the Agricultural Knowledge System (AKS) of research, higher and professional education and advisory services, and the organisation of collaboration between the university (SLU) and the industry in Partnership Alnarp. Some experiences of this co-operation from the member, academic and student point of view, with results from a recently made evaluation of this partnership are presented. Results show that the partner companies and organisations were very content with the collaboration, as were the academics and students who participated in Partnership Alnarp. Firms and organisations tend to favour applied and short term research over a more basic one. This should initiate serious discussions about the role of science. Collaboration between students and firms is highly appreciated by both parties and may lead to higher employability of the students. Networking, closeness and personal relations play a crucial role in the success. The project so far can be described as a success story, a generator of growth and a brand creator for Alnarp.
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35.
  • Lilja, Erika, et al. (författare)
  • Diabetes mellitus was not associated with lower amputation-free survival after open revascularization for chronic limb-threatening ischemia : A nationwide propensity score adjusted analysis
  • 2021
  • Ingår i: Vascular Medicine. - 1477-0377. ; 26:5, s. 507-514
  • Tidskriftsartikel (refereegranskat)abstract
    • The risk of major amputation is higher after urgently planned endovascular therapy for chronic limb-threatening ischemia (CLTI) in patients with diabetes mellitus (DM). The aim of this nationwide cohort study was to compare outcomes between patients with and without DM following urgently planned open revascularization for CLTI from 2010 to 2014. Out of 1537 individuals registered in the Swedish Vascular Registry, 569 were registered in the National Diabetes Register. A propensity score adjusted Cox regression analysis was conducted to compare outcome between the groups with and without DM. Median follow-up was 4.3 years and 4.5 years for patients with and without DM, respectively. Patients with DM more often had foot ulcers (p = 0.034) and had undergone more previous amputations (p = 0.001) at baseline. No differences in mortality, cardiovascular death, major adverse cardiovascular events (MACE), or major amputation were observed between groups. The incidence rate of stroke was 70% higher (95% CI: 1.11-2.59; p = 0.0137) and the incidence rate of acute myocardial infarction (AMI) 39% higher (95% CI: 1.00-1.92; p = 0.0472) among patients with DM in comparison to those without. Open vascular surgery remains a first-line option for a substantial number of patients with CLTI, especially for limb salvage in patients with DM. The higher incidence rates of stroke and AMI among patients with DM following open vascular surgery for infrainguinal CLTI require specific consideration preoperatively with the aim of optimizing medical treatment to improve cardiovascular outcome postoperatively.
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36.
  • Lilja, Erika, et al. (författare)
  • The impact of diabetes mellitus on major amputation among patients with chronic limb threatening ischemia undergoing elective endovascular therapy- a nationwide propensity score adjusted analysis.
  • 2021
  • Ingår i: Journal of diabetes and its complications. - : Elsevier BV. - 1873-460X .- 1056-8727. ; 35:2
  • Tidskriftsartikel (refereegranskat)abstract
    • To investigate the risk of major amputation after elective endovascular therapy in patients with chronic limb threatening ischemia (CLTI) comparing patients with and without diabetes mellitus (DM).In this nationwide cohort study, all patients registered in the Swedish Vascular Register after elective endovascular therapy for CLTI caused by infra-inguinal arterial disease from 2010 to 2014 were included. Among 4578 individuals, 2251 had DM and were registered in the National Diabetes Register between 2009 and 2014. A propensity score adjusted Cox regression analysis was conducted to compare outcomes between groups. Median follow-up was 4.0 and 3.6years for patients with DM and without DM, respectively.The incidence rates of major amputation and acute myocardial infarction (AMI) were 43% (95% CI 1.23-1.67) and 37% (95% CI 1.13-1.67) higher, respectively, among patients with DM compared to patients without DM. There was no difference in mortality (HR 1.04, 95% CI 0.95-1.14).Patients with DM had a higher risk of major amputation and AMI compared to those without DM after elective endovascular therapy for CLTI. Prevention of DM with CLTI is of utmost importance to reduce the risk of adverse limb and cardiovascular outcomes.
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37.
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38.
  • Lindqvist, Andreas, et al. (författare)
  • Gastric bypass improves ss-cell function and increases β-cell mass in a porcine model.
  • 2014
  • Ingår i: Diabetes. - : American Diabetes Association. - 1939-327X .- 0012-1797. ; 63:5, s. 1665-1671
  • Tidskriftsartikel (refereegranskat)abstract
    • The most frequently used, and effective, treatment for morbid obesity is Roux-en-Y gastric bypass surgery (RYGB), which results in rapid remission of T2D in most cases. To what extent this is accounted for by weight loss or other factors remains elusive. To gain insight into these mechanisms, we investigated the effects of RYGB on ß-cell function and ß-cell mass in the pig, a species highly reminiscent of the human. RYGB was performed using linear staplers during open surgery. Sham-operated pigs were used as controls. Both groups were fed a low calorie diet for 3 weeks after surgery. Intravenous glucose-tolerance tests were performed 2 weeks after surgery. Body weight in RYGB-pigs and sham-operated, pair-fed control pigs developed similarly. RYGB-pigs displayed improved glycaemic control, which was attributed to increases in ß-cell mass, islet number and number of extra-islet ß-cells. Pancreatic expression of insulin and glucagon was elevated, and cells expressing the GLP-1-receptor were more abundant in RYGB-pigs. Our data from a pig model of RYGB emphasize the key role of improved ß-cell function and ß-cell mass to explain the improved glucose tolerance after RYGB as food intake and body weight remained identical.
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39.
  • Lindqvist, Andreas, et al. (författare)
  • Gastric bypass in the pig increases GIP levels and decreases active GLP-1 levels
  • 2017
  • Ingår i: Peptides. - : Elsevier BV. - 0196-9781. ; 90, s. 78-82
  • Tidskriftsartikel (refereegranskat)abstract
    • Gastric bypass surgery results in remission of type 2 diabetes in the majority of patients. The incretin hormones glucagon-like peptide 1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) have been implicated in the observed remission. Most knowledge so far has been generated in obese subjects. To isolate the surgical effects of gastric bypass on metabolism and hormone responses from the confounding influence of obesity, T2D, or food intake, we performed gastric bypass in lean pigs, using sham-operated and pair-fed pigs as controls. Thus, pigs were subjected to Roux-en-Y gastric bypass (RYGB) or sham surgery and oral glucose tolerance tests (OGTT). RYGB pigs and sham pigs exhibited similar basal and 120-min glucose levels in response to the OGTT. However, RYGB pigs had approximately 1.6-fold higher 30-min glucose (p < 0.01). Early insulin release (EIR) was enhanced approximately 3.5-fold in the RYGB pigs (p < 0.01). Furthermore, GIP release, both acute and sustained release (p < 0.001 and p < 0.01, respectively), was increased approximately 2.5-fold and 1.4-fold, respectively, in RYGB pigs. Although total GLP-1 release increased approximately 2.1-fold after RYGB (p < 0.001), active GLP-1 was 33% lower (p < 0.01). Interestingly basal DPP4-activity was approximately 3.2-fold higher in RYGB pigs (p < 0.001). In conclusion, RYGB in lean pigs increases the response of GIP, total GLP-1, and insulin, but reduces levels of active GLP-1 in response to an oral glucose load. These data challenge the role of active GLP-1 as a contributor to remission from diabetes after RYGB.
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40.
  • Lindqvist, Andreas, et al. (författare)
  • The impact of Roux-en-Y gastric bypass surgery on normal metabolism in a porcine model
  • 2017
  • Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 12:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Background A growing body of literature on Roux-en-Y gastric bypass surgery (RYGB) has generated inconclusive results on the mechanism underlying the beneficial effects on weight loss and glycaemia, partially due to the problems of designing clinical studies with the appropriate controls. Moreover, RYGB is only performed in obese individuals, in whom metabolism is perturbed and not completely understood. In an attempt to isolate the effects of RYGB and its effects on normal metabolism, we investigated the effect of RYGB in lean pigs, using sham-operated pair-fed pigs as controls. Two weeks post-surgery, pigs were subjected to an intravenous glucose tolerance test (IVGTT) and circulating metabolites, hormones and lipids measured. Bile acid composition was profiled after extraction from blood, faeces and the gallbladder. A similar weight development in both groups of pigs validated our experimental model. Despite similar changes in fasting insulin, RYGB-pigs had lower fasting glucose levels. During an IVGTT RYGB-pigs had higher insulin and lower glucose levels. VLDL and IDL were lower in RYGB-than in sham-pigs. RYGB-pigs had increased levels of most amino acids, including branched-chain amino acids, but these were more efficiently suppressed by glucose. Levels of bile acids in the gallbladder were higher, whereas plasma and faecal bile acid levels were lower in RYGB-than in sham-pigs. In a lean model RYGB caused lower plasma lipid and bile acid levels, which were compensated for by increased plasma amino acids, suggesting a switch from lipid to protein metabolism during fasting in the immediate postoperative period.
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41.
  • Magnusson, Jesper, et al. (författare)
  • COVID-19 in lung transplant recipients: an overview of the Swedish national experience.
  • 2021
  • Ingår i: Transplant international : official journal of the European Society for Organ Transplantation. - : Frontiers Media SA. - 1432-2277. ; 34:12, s. 2597-2608
  • Tidskriftsartikel (refereegranskat)abstract
    • Although it is known that solid organ transplant recipients fare worse after COVID-19 infection, data on the impact of COVID-19 on clinical outcomes and allograft function in lung transplant (LTx) recipients are limited and based mainly on reports with short follow-up. In this nationwide study, all LTx recipients with COVID-19 diagnosed from 1 February 2020 to 30 April 2021 were included. The patients were followed until 1 August 2021 or death. We analysed demographics, clinical features, therapeutic management and outcomes, including lung function. Forty-seven patients were identified: median age was 59 (10-78) years, 53.1% were male, and median follow-up was 194 (23-509) days. COVID-19 was asymptomatic or mild at presentation in 48.9%. Nine patients (19.1%) were vaccinated pre-COVID infection. Two patients (4.3%) died within 28days of testing positive, and the overall survival rate was 85.1%. The patients with asymptomatic or mild symptoms had a higher median % expected forced expiratory volume during the first second than the patients with worse symptoms (P=0.004). LTx recipients develop the entire spectrum of COVID-19, and in addition to previously acknowledged risk factors, lower pre-COVID lung function was associated with more severe disease presentation.
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42.
  • Möller Rydberg, Emilia, et al. (författare)
  • Does the Covid-19 pandemic affect ankle fracture incidence? Moderate decrease in Sweden.
  • 2021
  • Ingår i: Acta orthopaedica. - : Medical Journals Sweden AB. - 1745-3682 .- 1745-3674. ; 92:4, s. 381-384
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and purpose - While many other countries implemented strict regulations and restrictions for their citizens during the 1st wave of the Covid-19 pandemic, Sweden maintained a more restrained approach. The Swedish Public Health Agency emphasized individual responsibility and pushed for behavioral changes. With strict lockdown a 77% decrease in ankle fracture incidence has been reported. We investigated whether there was a change in the incidence of ankle fractures seen at 7 selected hospitals during the Covid-19 pandemic 2020.Patients and methods - Data on all ankle fractures treated at 7 selected departments during March 15 through June 15, 2020, and for the same period in the preceding 3 years (2017-2019), was retrieved from the Swedish Fracture Register. The number of fractures during the whole period and subsequent 30-day periods were compared between 2020 and 2017-2019, including subgroup analyses of age and sex.Results - The monthly rate of ankle fractures was reduced by 14% in 2020 (139 fractures) compared with 2017-2019 (161 fractures). Women had a 16% decrease and patients aged > 70 years had a 29% decrease. During the 1st 30-day period, a 26% decrease in fractures was seen.Interpretation - During the 1st wave of the Covid-19 pandemic, a moderate decline in the number of ankle fractures was seen. Women and patients aged > 70 years displayed the greatest reduction. The greatest reduction in incidence of fractures was seen during the 1st 30-day period. This indicates greater adherence to government recommendations regarding social distancing in these subgroups and during the 1st month of the pandemic. Changes in ankle fracture incidence may be a measure of lockdown extent.
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43.
  • Nergård, Bent J, et al. (författare)
  • Mucosal glucagon-like peptide-1 and gastric inhibitory polypeptide cell numbers in the super-obese human foregut after gastric bypass.
  • 2015
  • Ingår i: Surgery for Obesity and Related Diseases. - : Elsevier BV. - 1550-7289. ; 11:6, s. 1237-1246
  • Tidskriftsartikel (refereegranskat)abstract
    • Super-obesity, a body mass index>50 kg/m(2), is difficult to treat. Many studies have focused on the anatomic changes of the intestines; the physiologic background is not clearly identified. It is established that Roux-en-Y gastric bypass (RYGB) augments secretion of glucagon-like peptide-1 (GLP-1), peptide tyrosine tyrosine (PYY), and insulin, but other aspects of gut hormone cell function in the alimentary limb are unknown.
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44.
  • Nyström, Thomas, et al. (författare)
  • Evaluation of Effects of Continuous Glucose Monitoring on Physical Activity Habits and Blood Lipid Levels in Persons With Type 1 Diabetes Managed With MDI: An Analysis Based on the GOLD Randomized Trial (GOLD 8)
  • 2024
  • Ingår i: Journal of diabetes science and technology. - : SAGE Publications. - 1932-2968. ; 18:1, s. 89-98
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: People with type 1 diabetes generally view it easier to exercise when having continuous information of the glucose levels. We evaluated whether patients with type 1 diabetes managed with multiple daily insulin injections (MDI) exercised more after initiating continuous glucose monitoring (CGM) and whether the improved glycemic control and well-being associated with CGM translates into improved blood lipids and markers of inflammation. Method: The GOLD trial was a randomized cross-over trial over 16 months where patients used either CGM or capillary self-monitoring of blood glucose (SMBG) over six months, with a four-month wash-out period between the two treatment periods. We compared grade of physical activity, blood lipids, apolipoproteins, and high-sensitivity C-reactive protein (hsCRP) levels during CGM and SMBG. Results: There were 116 patients with information of physical activity estimated by the International Physical Activity Questionnaire (IPAQ) during both CGM and SMBG. No changes were found during CGM or SMBG, IPAQ scores 3305 versus 3878 (P =.16). In 136 participants with information of blood lipid levels with no change in lipid-lowering medication during the two treatment periods, HbA1c differed by 4.2 mmol/mol (NGSP 0.39%) between SMBG and CGM treatment (P <.001). No significant changes existed in low-density lipoprotein, high-density lipoprotein, triglycerides, total cholesterol, apolipoprotein A1, apolipoprotein B1, or hsCRP, during CGM and SMBG. Conclusion: Although many patients experience it easier to perform physical activity when monitoring glucose levels with CGM, it does not influence the amount of physical activity in persons with type 1 diabetes. Blood lipids, apolipoprotein, and hsCRP levels were similar during CGM and SMBG.
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45.
  • Oltean, Mihai, 1976, et al. (författare)
  • Covid-19 in kidney transplant recipients: a systematic review of the case series available three months into the pandemic.
  • 2020
  • Ingår i: Infectious diseases (London, England). - : Informa UK Limited. - 2374-4243 .- 2374-4235. ; 52:11, s. 830-7
  • Tidskriftsartikel (refereegranskat)abstract
    • Coronavirus disease 2019 (COVID-19) ranges from a mild illness to acute respiratory distress syndrome (ARDS), multiorgan dysfunction, and death. Transplant recipients are vulnerable due to comorbidities and immunosuppressants that render them susceptible to infections. The information on COVID-19 in kidney transplant recipients remains limited to small case series.A systematic literature search was conducted, and 12 case series totalling 204 kidney transplant recipients with COVID-19 were identified. Data were extracted, pooled and analysed.Most patients (74%) were men. The most frequent symptoms were fever (76%), cough (64%) and dyspnoea (43%). At admission, over 70% of the patients had abnormal radiological findings. Leukocyte counts were in the lower normal range. C-reactive protein, ferritin, and D-dimer were consistently increased. Treatments included lowering immunosuppression, hydroxychloroquine, antivirals, tocilizumab and intravenous immunoglobulins. Thirty-one percent of the patients were admitted to intensive care units (ICUs), and 16% required intubation. The overall mortality was 21.2%. Patients who died were significantly older than those who survived (61±12 vs. 51±15, p<.01). Logistic regression revealed that the odds for death increased by 4.3% for each additional year of age (odds ratio [OR] 1.043, 95% confidence interval [CI] 1.005-1.083, p value=.0265).No substantial conclusions could be drawn on the efficacy of any particular treatment. More rigorous patient stratification is needed when analysing and reporting data to facilitate future meta-analyses.
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46.
  • Prytz, Mattias, et al. (författare)
  • Extralevator abdominoperineal excision (ELAPE) for rectal cancer-short-term results from the Swedish Colorectal Cancer Registry. Selective use of ELAPE warranted
  • 2014
  • Ingår i: International Journal of Colorectal Disease. - : Springer Science and Business Media LLC. - 0179-1958 .- 1432-1262. ; 29:8, s. 981-987
  • Tidskriftsartikel (refereegranskat)abstract
    • Local recurrences are more common after abdominoperineal excision (APE) than after anterior resection of rectal cancer. Extralevator APE was introduced to address this problem. This prospective registry-based population study aims to investigate the efficacy of extralevator APE (ELAPE) in improving short-term oncological outcome. All Swedish patients operated with any kind of abdominoperineal excision and registered in the Swedish Rectal Cancer Registry 2007-2009 were included (n = 1,397) and analyzed with emphasis on the perineal part of the operation. Short-term perioperative and oncological results were collected from the registry. Extralevator APE did not result in fewer intraoperative perforations or involved circumferential resection margins as compared to standard APE for the entire group. Intraoperative perforations were significantly fewer for patients with low tumours (a parts per thousand currency sign4 cm) (ELAPE: n = 28/386 versus APE: n = 9/58) (p = 0.043) and for early (T0-T2) T-stages (ELAPE: n = 3/172 versus APE: n = 6/75) (p = 0.025). There were significantly more post-operative wound infections for ELAPE than for APE (n = 106 (20.4 %) versus n = 25 (12.0 %), p = 0.011). The short-term results indicate that selective use of extralevator APE can be warranted, for example, for subgroups with low tumours. In conclusion, selective use of the extralevator APE is advocated as not all patients seem to benefit from the technique, and there are significantly more short-term complications after extralevator APE.
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47.
  • Sparv, David, et al. (författare)
  • The analgesic effect of oxygen during percutaneous coronary intervention (the OXYPAIN Trial).
  • 2013
  • Ingår i: Acute Cardiac Care. - : Informa UK Limited. - 1748-2941 .- 1748-295X. ; 15:3, s. 63-68
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract Introduction: Oxygen is considered to have analgesic effects, but the evidence is weak. Oxygen may be harmful to the ischemic myocardium. The aim was to investigate the analgesic effect of oxygen during percutaneous coronary intervention (PCI) and to evaluate cardiac injury. Material and methods: The OXYPAIN was a phase II randomized trial with a double blind design. 305 patients were randomized to receive oxygen or atmospheric air during PCI. The patients were asked to score chest pain by the Visual-Analog Scale (VAS). The use of analgesic agents and troponin-t was measured. Results: There was no significant difference in pain between the groups: oxygen: 2.0, [2.0-4.0], air: 2.0, [2.0-5.0] (median, interquartile range: 25-75%, P = 0.12). The median difference in score of VAS was [95% CI]: 0, [0-1.0]. The oxygen group received 0.44 ± 0.11 mg of morphine versus 0.46 ± 0.13, P = n.s. The peak value of troponin-t post-PCI was 38, [11-352] nmol/ml in the oxygen group and 61, [16-241] for patients treated with air, P = 0.46. Conclusions: The use of oxygen during PCI did not demonstrate any analgesic effect. There was no difference in myocardial injury measured with troponin-t or in the morphine dose. Our results do not support routine use of oxygen. (NCT01413841.).
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48.
  • Stallberg, B., et al. (författare)
  • Real-life use of budesonide/formoterol in clinical practice: a 12-month follow-up assessment in a multi-national study of asthma patients established on single-inhaler maintenance and reliever therapy
  • 2015
  • Ingår i: International Journal of Clinical Pharmacology and Therapeutics. - : Dustri-Verlgag Dr. Karl Feistle. - 0946-1965. ; 53:6, s. 447-455
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The efficacy and safety of budesonide/formoterol maintenance and reliever therapy (MRT) has been demonstrated in phase III clinical studies, but limited data are available in a real-life setting. We examined the pattern of maintenance and as-needed inhaler use in routine clinical practice among patients with asthma receiving budesonide/formoterol MRT (NCT00505388). Methods: This 12-month European observational study enrolled patients prescribed budesonide/formoterol MRT and grouped them based on regimen: 80/4.5 mu g one inhalation twice daily (b.i.d.); 160/4.5 mu g one inhalation b.i.d.; 160/4.5 mu g two inhalations b.i.d. (all plus as needed). Patient data were collected daily using an interactive voice- or web-response system. The primary outcome measure was total number of budesonide/formoterol inhalations/day. Results: Overall, 4,581 patients were included (64% female; mean age 48.4 years; regimen: 80/4.5 mu g, n = 119; 160/4.5 mu g, n = 3,106; 2 x 160/4.5 mu g, n = 1,355). Mean (median) total numbers of budesonide/formoterol inhalations/day were 2.48 (2.11), 2.53 (2.14); and 4.27 (4.05) for 80/4.5 mu g b.i.d., 160/4.5 mu g b.i.d., and 2 x 160/4.5 mu g b.i.d., respectively; corresponding mean (median) number of as-needed inhalations/day were 0.68 (0.17), 0.73 (0.26), and 1.08 (0.45), respectively. As-needed budesonide/formoterol use was generally low with a mean of 61 - 66% of reliever-free days; over 4 reliever inhalations/day occurred on a mean of 0.4 - 2.5% of days for all budesonide/formoterol MRT regimens. Conclusions: In routine clinical practice, all budesonide/formoterol MRT regimens were associated with a high proportion of reliever-free days and low incidence of high reliever-use days, indicating acceptable levels of asthma control with this symptom-adjusted controller regimen.
  •  
49.
  • Stigevall, Caroline, et al. (författare)
  • Patients with more complex ankle fractures are associated with poorer patient-reported outcome : an observational study of 11,733 patients from the Swedish Fracture Register
  • 2024
  • Ingår i: Acta Orthopaedica. - : Medical Journals Sweden. - 1745-3674 .- 1745-3682. ; 95, s. 212-218
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and purpose: Patient-reported outcome measures (PROMs) following ankle fractures, including all fracture types, have not been reported. It is therefore unclear whether fracture morphology correlates with outcome. We aimed to analyze PROMs in patients with an ankle fracture in relation to the Arbeitsgemeinschaft für Osteosynthesefragen/Orthopaedic Trauma Association (AO/OTA) fracture classification using population-based register data from the Swedish Fracture Register (SFR).Methods: All patients aged ≥ 18 years with an ankle fracture (AO/OTA 44A1–C3) registered in the SFR between 2012 and 2019 were retrieved from the register. Patients with completed PROM questionnaires (Short Musculoskeletal Function Assessment and EuroQol-Visual Analogue Scale) on both day 0 (pre-trauma) and 1-year post-trauma were included. The difference in PROMs between day 0 and 1 year was calculated for each patient (delta value) and mean delta values were calculated at group level, based on the AO/OTA fracture classification.Results: 11,733 patients with 11,751 fractures with complete PROMs were included. According to the AO/OTA classification, 21% were A fractures, 67% were B fractures and 12% were C fractures. All groups of patients, regardless of fracture class (A1–C3), displayed an impairment in PROMs after 1 year compared with day 0. Type C fractures displayed a larger impairment in PROMs at group level than type B, which in turn had a greater impairment than type A. The same pattern was seen in groups 3, 2, and 1 for A and B fractures.Conclusion: We found that the AO/OTA classification is prognostic, where more complex fractures were associated with poorer PROMs.
  •  
50.
  • Stigevall, Caroline, et al. (författare)
  • Patients with more complex ankle fractures are associated with poorer patient-reported outcome: an observational study of 11,733 patients from the Swedish Fracture Register.
  • 2024
  • Ingår i: Acta orthopaedica. - : Medical Journals Sweden. - 1745-3682 .- 1745-3674. ; 95, s. 212-218
  • Tidskriftsartikel (refereegranskat)abstract
    • Patient-reported outcome measures (PROMs) following ankle fractures, including all fracture types, have not been reported. It is therefore unclear whether fracture morphology correlates with outcome. We aimed to analyze PROMs in patients with an ankle fracture in relation to the Arbeitsgemeinschaft für Osteosynthesefragen/Orthopaedic Trauma Association (AO/OTA) fracture classification using population-based register data from the Swedish Fracture Register (SFR).All patients aged ≥ 18 years with an ankle fracture (AO/OTA 44A1-C3) registered in the SFR between 2012 and 2019 were retrieved from the register. Patients with completed PROM questionnaires (Short Musculoskeletal Function Assessment and EuroQol-Visual Analogue Scale) on both day 0 (pre-trauma) and 1-year post-trauma were included. The difference in PROMs between day 0 and 1 year was calculated for each patient (delta value) and mean delta values were calculated at group level, based on the AO/OTA fracture classification.11,733 patients with 11,751 fractures with complete PROMs were included. According to the AO/OTA classification, 21% were A fractures, 67% were B fractures and 12% were C fractures. All groups of patients, regardless of fracture class (A1-C3), displayed an impairment in PROMs after 1 year compared with day 0. Type C fractures displayed a larger impairment in PROMs at group level than type B, which in turn had a greater impairment than type A. The same pattern was seen in groups 3, 2, and 1 for A and B fractures.We found that the AO/OTA classification is prognostic, where more complex fractures were associated with poorer PROMs.
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