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  • Result 51-60 of 65
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51.
  • Sadr-Azodi, O., et al. (author)
  • Abdominal and Total Adiposity and The Risk of Acute Pancreatitis : A Population-Based Prospective Cohort Study
  • 2013
  • In: American Journal of Gastroenterology. - : NATURE PUBLISHING GROUP. - 0002-9270 .- 1572-0241. ; 108:1, s. 133-139
  • Journal article (peer-reviewed)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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52.
  • Sadr-Azodi, O., et al. (author)
  • Cigarette smoking, smoking cessation and acute pancreatitis : a prospective population-based study
  • 2012
  • In: Gut. - : BMJ PUBLISHING GROUP. - 0017-5749 .- 1468-3288. ; 61:2, s. 262-267
  • Journal article (peer-reviewed)abstract
    • Background Several studies have shown that smoking increases the risk of chronic pancreatitis. However, the impact of smoking on the development of acute pancreatitis has not been fully studied. Objective To clarify the association between cigarette smoking, smoking cessation and the risk of acute pancreatitis. Design A follow-up study was conducted of 84 667 Swedish women and men, aged 46-84, during 12 years to study the association between smoking status, smoking intensity and duration, duration of smoking cessation and the risk of acute pancreatitis. Only those with the first event of the disease and no previous history of acute pancreatitis were included. Cox proportional hazards models were used to estimate rate ratios (RRs) with 95% CI for different smoking-related variables, adjusted for age, gender, body mass index, diabetes, educational level and alcohol consumption. Results In total, 307 cases with non-gallstone-related and 234 cases with gallstone-related acute pancreatitis were identified. The risk of non-gallstone-related acute pancreatitis was more than double (RR 2.29; 95% CI 1.63 to 3.22, p<0.01) among current smokers with >= 20 pack-years of smoking as compared with never-smokers. The corresponding risk among individuals with >= 400 g monthly consumption of alcohol was increased more than fourfold (RR=4.12; 95% CI 1.98 to 8.60, p<0.01). The duration of smoking rather than smoking intensity increased the risk of non-gallstone-related acute pancreatitis. After two decades of smoking cessation the risk of non-gallstone-related acute pancreatitis was reduced to a level comparable to that of non-smokers. There was no association between smoking and gallstone-related acute pancreatitis. Conclusion Smoking is an important risk factor for non-gallstone-related acute pancreatitis. Early smoking cessation should be recommended as a part of the clinical management of patients with acute pancreatitis.
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53.
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54.
  • Sadr Azodi, O., et al. (author)
  • Genetic and environmental influences on the risk of acute appendicitis in twins
  • 2009
  • In: British Journal of Surgery. - West Sussex, United Kingdom : John Wiley & Sons. - 0007-1323 .- 1365-2168. ; 96:11, s. 1336-1340
  • Journal article (peer-reviewed)abstract
    • Background: Acute appendicitis is common but the aetiology is unclear. This study examined the heritability of acute appendicitis.Methods: The study included twin pairs with known zygosity born between 1959 and 1985. Individuals with acute appendicitis were found by record linkage with the Swedish Inpatient Register. Comparing monodizygotic and dizygotic twins, the similarity and relative proportions of phenotypic variance resulting from genetic and environmental factors were analysed. Risks of acute appendicitis explained by heritability and environmental effects were estimated.Results: Some 3441 monozygotic and 2429 dizygotic twins were identified. Almost no genetic effects were found in males (8 (95 per cent confidence interval 0 to 50) per cent), but shared (31 (0 to 49) per cent) and non-shared (61 (47 to 74) per cent) environmental factors accounted for this risk. In females, the heritability was estimated as 20 (0 to 36) per cent and the remaining variation was due to non-shared environmental factors (80 (64 to 98) per cent). For the sexes combined, genetic effects accounted for 30 (5 to 40) per cent and non-shared environmental effects for 70 (60 to 81) per cent of the risk.Conclusion: Acute appendicitis has a complex aetiology with sex differences in heritability and environmental factors.
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55.
  • Sadr-Azodi, O, et al. (author)
  • The quality of randomized clinical trials in the field of surgery: studies on laparoscopic versus open appendectomy as an example
  • 2009
  • In: Digestive surgery. - : S. Karger AG. - 1421-9883 .- 0253-4886. ; 26:5, s. 351-357
  • Journal article (peer-reviewed)abstract
    • <i>Background:</i> The field of surgery undergoes rapid renewal and introduction of surgical techniques and instruments. Thus, the quality of the randomized clinical trials in this field should be evaluated. We assessed the quality of randomized trials comparing laparoscopic versus open appendectomy as a model. <i>Method:</i> Using MEDLINE and EMBASE, 42 first-time published randomized clinical trials in the English language met the inclusion criteria. Factors related to the methodological quality, e.g. blinding, sample size calculation and intention-to-treat analysis, were reviewed. <i>Results:</i> Method of random number generation was described in only 15 (36%) of the studies, i.e., it was not clear if the remaining two thirds of the studies were actually randomized or not. Although not using blocking, the trials often reported similar sample size in the intervention and control groups. Proper concealment of the allocation status was reported in almost half of the studies. None of the trials was judged to use proper double-blinding measures. Sample size calculation was present in one of five trials and half of the studies performed analysis according to intention-to-treat. <i>Conclusions:</i> It seems that surgical trials do not always follow the basic methodological guidelines to maintain the high quality of randomized clinical trials. Compliance with the CONSORT statement and transparency in result reporting is strongly recommended to improve the quality of randomized trials in the field of surgery.
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56.
  • Salami, F, et al. (author)
  • DETECTION OF LACTOBACILLI IN MONTHLY MAIL-IN STOOL SAMPLES FROM 3-18 MONTHS OLD INFANTS AT GENETIC RISK FOR TYPE 1 DIABETES
  • 2012
  • In: International journal of probiotics & prebiotics. - 1555-1431. ; 7:3-4, s. 135-144
  • Journal article (peer-reviewed)abstract
    • The feasibility to detect lactobacilli in mail-in infant stools collected monthly from 3-18 months old children was investigated. The aim was to determine total lactobacilli and Lactobacillus plantarum (L. plantarum) content (ng/g feces) in 50 infants each from Colorado (648 samples), Finland (624 samples) and Sweden (685 samples) who participated in the TEDDY (The Environmental Determinants of Diabetes in the Young) study. Total lactobacilli content varied markedly between 5 and 16,800 ng/g feces in the three clinical sites within and between individuals especially in infants. L.plantarum also varied markedly intra- and inter-individually from <0.5 - 736 ng/g feces. A higher variability of total lactobacilli was found before 10 months of age than after in the three different clinical sites. Sweden had the lowest total lactobacilli content compared to Colorado and Finland while the L.plantarum content was higher in Sweden. Mail-in stool samples from infants should prove useful in analyzing probiotics in childhood.
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57.
  • Shoja, Siamak, 1980, et al. (author)
  • Calculated and experimental Schmid factors for chip flow deformation of textured CVD α-alumina coatings
  • 2021
  • In: Surface and Coatings Technology. - : Elsevier BV. - 0257-8972. ; 412
  • Journal article (peer-reviewed)abstract
    • A thorough analysis of Schmid factors (m) for three different (basal and two prismatic) slip systems and three different coating textures, (0001), (011¯2) and (112¯0), was done in order to understand the influence of CVD α-alumina coating textures on the ability of the coatings to deform plastically at different locations on the rake face of a cutting tool insert during a metal machining operation. Schmid factor diagrams were constructed using MATLAB/MTEX in order to visualize the angular dependence of an external force relative to the α-Al O crystals (grains) on the Schmid factor. The diagrams were also used to extract m-value frequency distributions for different slip systems and textures. In addition, lateral m-value distribution maps were obtained from experimental textured coatings using electron backscatter diffraction. These maps show the ability for neighboring grains to deform plastically in the coatings. Cutting tool inserts with differently textured α-Al2O3 coatings were subjected to dry machining of a quench-tempered steel. Using scanning electron microscopy, the microstructure and surface topography of the worn alumina layers were investigated and it was found that a flatter surface morphology and higher probability of discrete plastic deformation are connected to less wear. This was observed in the (0001)-textured sample, which also exhibited the highest m-values in the wear zone with highest temperatures and external forces. It was observed that basal slip is most easily activated, followed by prismatic slip systems 1 and 2 in this case. For (011¯2) and (112¯0) textured coatings the differences in m-values for the three slip systems are not that big, and the distributions are relatively wide. It is clear that the Schmid factor analysis forms a basis that is important for understanding crater wear, especially when it is connected to local plastic deformation, of textured CVD α-Al2O3 coatings. The methodology of this work can be expanded to other coating systems and also more generally to applications where it is of interest to analyze the deformation behavior and local plastic anisotropy of textured materials.
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58.
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59.
  • Stattin, P., et al. (author)
  • Geographical variation in incidence of prostate cancer in Sweden : Survey from the National Prostate Cancer Register
  • 2005
  • In: Scandinavian Journal of Urology and Nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 39:5, s. 372-379
  • Journal article (peer-reviewed)abstract
    • Objective. To investigate the geographical variation in prostate cancer incidence in Sweden, in particular the incidences of screening-detected tumours and curative treatment of prostate cancer. Material and methods. Data were retrieved from the National Prostate Cancer Register of Sweden for all cases of prostate cancer diagnosed in the year 2000-01. There were a total of 14376 cases of prostate cancer and the mean total annual age-adjusted incidence was 197/100000 men. There were 3318 cases in tumour category T1c, i.e. non-palpable tumours diagnosed during work-up for an elevated serum level of prostate-specific antigen, 1006 of which (30%) were asymptomatic and detected at a health check-up. Results. The difference between the counties with the lowest and highest age-adjusted incidences per 1OO 000 men of total prostate cancer was almost twofold (128 vs 217). The corresponding variation in incidence of category Tie tumours was more than fourfold (13 vs 60), the difference in incidence of Tie tumours detected in asymptomatic men was up to 10-fold (2 vs 20), and there was more than a fourfold variation in incidence of curative treatment between counties (13 vs 67). Measured incidences were mostly highest in urban regions and in counties with university hospitals. Conclusion. There are large geographical variations in prostate cancer incidence and in the frequency of curative treatment for prostate cancer in Sweden and there appear to be large geographical variations in the uptake of prostate cancer screening. © 2005 Taylor & Francis.
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60.
  • Stepanova, A., et al. (author)
  • Late Weichselian to Holocene history of the Baltic Sea as reflected in ostracod assemblages
  • 2019
  • In: Boreas. - : John Wiley & Sons. - 0300-9483 .- 1502-3885. ; 48:3, s. 761-778
  • Journal article (peer-reviewed)abstract
    • The study presents the first description and analysis of ostracod records from three sites cored in different parts of the Baltic Sea during the IODP Expedition 347, Baltic Sea Paleoenvironment. Our data present the first high-resolution ostracod records from the Late Weichselian and Holocene sediments collected across the Baltic Sea Basin. Using published data on modern ostracod species ecology of the Baltic Sea, we were able to provide ostracod-based palaeoreconstructions of the history of the region. The stratigraphical framework for the sites is based on radiocarbon-based age models. The three studied sites reveal different ostracod assemblage successions that reflect environmental changes in the study area. Site M0060, located in the Kattegat area, contains the oldest ostracod assemblages that document a marine environment with very high sedimentation rates during the most recent deglaciation. Between ~13 000 and 7500 cal. a BP a modern-like near-shore environment developed. Site M0059 in the southwestern Baltic Sea, Little Belt area, contains assemblages reflecting the transition from a freshwater lake to the brackish Littorina Sea between ~7500 and 7300 cal. a BP. Site M0063 is the deepest location in the central Baltic, Landsort Deep, and yielded very limited ostracod data, but comparison with our organic carbon data allowed us to distinguish the Yoldia Sea, Ancylus Lake and Littorina Sea intervals. The ostracod record correlates well with the organic carbon record with alternation between periods of hypoxia and periods of low oxygen that still supported ostracods.
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  • Result 51-60 of 65
Type of publication
journal article (49)
conference paper (15)
doctoral thesis (1)
Type of content
peer-reviewed (46)
other academic/artistic (19)
Author/Editor
Andren, O (23)
Fall, K (13)
Johansson, JE (9)
ANDERSSON, SO (8)
Ågren, John (7)
Andren-Sandberg, A (7)
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Perner, S. (7)
Fiorentino, M (6)
Mucci, LA (6)
Rubin, MA (6)
Sadr-Azodi, O (6)
Adami, HO (5)
Robinson, D. (4)
Holmberg, L (4)
Adami, H-O (4)
Johansson, J-E (4)
Mucci, L (4)
Andrén, Thomas, 1954 ... (4)
Hoshida, Y (4)
Nilsson, J. -O (4)
Demichelis, F. (4)
Stark, JR (4)
Wallentin, L (3)
Wolk, A (3)
Bill-Axelson, A (3)
Swahn, E (3)
Bratt, O (3)
Stattin, P (3)
Andren, Ove, 1963- (3)
Orsini, N (3)
Loda, M (3)
Garmo, H. (3)
Ahlgren, G (3)
Widmark, A (3)
Svensson, E. (3)
Pawitan, Y (3)
Lindahl, B (3)
HUGOSSON, J (3)
Martin, N (3)
Andren, B (3)
Andrén, Thomas (3)
Davidsson, S. (3)
Snowball, Ian, 1963- (3)
Andren, H (3)
Venge, P (3)
Tornblom, M. (3)
Hulting, J (3)
Lindstrom, G. (3)
Mosquera, JM (3)
Ekroth, M. (3)
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University
Karolinska Institutet (32)
Lund University (10)
Royal Institute of Technology (8)
Uppsala University (8)
Södertörn University (7)
Örebro University (6)
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University of Gothenburg (5)
Linköping University (3)
Swedish University of Agricultural Sciences (2)
Umeå University (1)
Luleå University of Technology (1)
Stockholm University (1)
Chalmers University of Technology (1)
Karlstad University (1)
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Language
English (65)
Research subject (UKÄ/SCB)
Medical and Health Sciences (14)
Natural sciences (11)
Engineering and Technology (5)
Agricultural Sciences (2)

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