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- Stackelberg, O, et al.
(författare)
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Obesity and abdominal aortic aneurysm
- 2013
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Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 100:3, s. 360-366
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The relationship between obesity and abdominal aortic aneurysm (AAA) is unclear. An observational cohort study was undertaken to examine the associations between waist circumference as a measure of abdominal adiposity, and between body mass index (BMI) as a measure of total adiposity, and risk of AAA. METHODS: Data were used from the population-based Swedish Mammography Cohort and the Cohort of Swedish Men, involving 63 655 men and women, aged 46-84 years. Between 1998 and 2009, 597 patients with incident AAA defined by relevant clinical events were identified by linkage to the Swedish Inpatient Register and the Swedish Vascular Registry. Cox proportional hazards models were used to estimate relative risks (RRs) with 95 per cent confidence intervals. RESULTS: In multivariable analysis, individuals with an increased waist circumference had a 30 per cent higher risk of AAA (RR 1·30, 95 per cent confidence interval 1·05 to 1·60) compared with those with a normal waist circumference. The risk of AAA increased by 15 per cent (RR 1·15, 1·05 to 1·26) per 5-cm increment of waist circumference up to the level 100 cm for men and 88 cm for women. There was no association between BMI and risk of AAA. CONCLUSION: Abdominal, but not total, adiposity was associated with an increased risk of incident AAA. A threshold was observed at a waist circumference of 100 cm for men and 88 cm for women.
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- Sadr-Azodi, O., et al.
(författare)
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Abdominal and Total Adiposity and The Risk of Acute Pancreatitis : A Population-Based Prospective Cohort Study
- 2013
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Ingår i: American Journal of Gastroenterology. - : NATURE PUBLISHING GROUP. - 0002-9270 .- 1572-0241. ; 108:1, s. 133-139
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: Previous research has indicated that obesity may be linked to the severity of acute pancreatitis. However, the association between abdominal and total adiposity as risk factors in the development of acute pancreatitis in a general population has not been studied. METHODS: A follow-up study was conducted, using the Swedish Mammography Cohort and the Cohort of Swedish Men, to examine the association between waist circumference and body mass index (BMI) and the risk of first-time acute pancreatitis. Severe acute pancreatitis was defined as hospital stay of >14 days, in-hospital death, or mortality within 30 days of discharge. Cox proportional hazards models were used to estimate rate ratios (RRs) with 95% confidence intervals (CIs), adjusted for confounders. RESULTS: In total, 68,158 individuals, aged 46-84 years, were studied for a median of 12 years. During this time, 424 persons developed first-time acute pancreatitis. The risk of acute pancreatitis among those with a waist circumference of >105 cm was twofold increased (RR = 2.37; 95 % CI: 1.50-3.74) compared with individuals with a waist circumference of 75.1-85.0 cm, when adjusted for confounders. This association was seen in patients with non-gallstone-related and gallstone-related acute pancreatitis. The results remained unchanged when stratifying the analyses with regards to sex or the severity of acute pancreatitis. There was no association between BMI and the risk of acute pancreatitis. CONCLUSIONS: Abdominal adiposity, but not total adiposity, is an independent risk factor for the development of acute pancreatitis. Am J Gastroenterol 2013; 108:133-139; doi:10.1038/ajg.2012.381; published online 13 November 2012
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