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Sökning: (hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Gastroenterologi)) srt2:(2000-2009) > (2008)

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1.
  • Birgisson, H, et al. (författare)
  • Late gastrointestinal disorders after rectal cancer surgery with and without preoperative radiation therapy
  • 2008
  • Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 95:2, s. 206-13
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The aim of the study was to analyse late gastrointestinal disorders necessitating hospital admission following rectal cancer surgery and to determine their relationship to preoperative radiation therapy. METHODS: Curatively treated patients participating in the Swedish Rectal Cancer Trial during 1987-1990, randomized to preoperative irradiation (454 patients) or surgery alone (454), were matched against the Swedish Hospital Discharge Registry. Hospital records for patients admitted with gastrointestinal diagnoses were reviewed. RESULTS: Irradiated patients had an increased relative risk (RR) of late small bowel obstruction (RR 2.49 (95 per cent confidence interval (c.i.) 1.48 to 4.19)) and abdominal pain (RR 2.09 (95 per cent c.i. 1.03 to 4.24)) compared with patients treated by surgery alone. The risk of late small bowel obstruction requiring surgery was greatly increased (RR 7.42 (95 per cent c.i. 2.23 to 24.66)). Irradiated patients with postoperative anastomotic leakage were at increased risk for late small bowel obstruction (RR 2.99 (95 per cent c.i. 1.07 to 8.31)). The risk of small bowel obstruction was also related to the radiation technique and energy used. CONCLUSION: Small bowel obstruction is more common in patients with rectal cancer treated with preoperative radiation therapy.
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2.
  • Elfström, Peter, 1974-, et al. (författare)
  • Risk of Thyroid Disease in Individuals with Celiac Disease
  • 2008
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 93:10, s. 3915-3921
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: It has been suggested that celiac disease is associated with thyroid disease. Earlier studies, however, have been predominately cross-sectional and have often lacked controls. There is hence a need for further research. In this study, we estimated the risk of thyroid disease in individuals with celiac disease from a general population cohort.Methods: A total of 14,021 individuals with celiac disease (1964–2003) and a matched reference population of 68,068 individuals were identified through the Swedish national registers. Cox regression estimated the risk of thyroid disease in subjects with celiac disease. Analyses were restricted to individuals with a follow-up ofmorethan 1 yr and withnothyroid disease before study entry or within 1 yr after study entry. Conditional logistic regression estimated the odds ratio for subsequent celiac disease in individuals with thyroid disease.Results: Celiac disease was positively associated with hypothyroidism [hazard ratio (HR)_4.4;95% confidence interval (CI) _ 3.4 –5.6; P _ 0.001], thyroiditis (HR _ 3.6; 95% CI _1.9–6.7; P _ 0.001) and hyperthyroidism (HR_2.9;95%CI_2.0–4.2; P_0.001). The highest risk estimates were found in children (hypothyroidism, HR _ 6.0 and 95% CI _ 3.4 –10.6; thyroiditis, HR _ 4.7 and 95% CI _ 2.1–10.5; hyperthyroidism, HR _ 4.8 and 95% CI _ 2.5–9.4). In post hoc analyses, where the reference population was restricted to inpatients, the adjusted HR was 3.4 for hypothyroidism (95% CI_2.7– 4.4; P_0.001), 3.3 for thyroiditis(95%CI_1.5–7.7; P_0.001), and 3.1 for hyperthyroidism (95% CI _ 2.0–4.8; P _ 0.001).Conclusion: Celiac disease is associated with thyroid disease, and these associations were seen regardless of temporal sequence. This indicates shared etiology and that these individuals are more susceptible to autoimmune disease.
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3.
  • Bergquist, Annika, et al. (författare)
  • Increased risk of primary sclerosing cholangitis and ulcerative colitis in first-degree relatives of patients with primary sclerosing cholangitis
  • 2008
  • Ingår i: Clinical Gastroenterology and Hepatology. - New York : Elsevier. - 1542-3565 .- 1542-7714. ; 6:8, s. 939-943
  • Tidskriftsartikel (refereegranskat)abstract
    • Background & Aims: The importance of genetic factors for the development of primary sclerosing cholangitis (PSC) is incompletely understood. This study assessed the risk of PSC and inflammatory bowel disease (IBD) among first-degree relatives of patients with PSC, compared with the first-degree relatives of a cohort without PSC. Methods: Subjects from the national Swedish cohort of PSC patients (n = 678) were matched for date of birth, sex, and region to up to 10 subjects without a diagnosis of PSC (n = 6347). Linkage through general population registers identified first-degree relatives of subjects in both the PSC and comparison cohorts (n = 34,092). Diagnoses among first-degree relatives were identified by using the Inpatient Register. Results: The risk of cholangitis was statistically significantly increased in offspring, siblings, and parents of the PSC patient cohort, compared with relatives of the comparison cohort, with the hazard ratios and 95% confidence intervals, 11.5 (1.6–84.4), 11.1 (3.3–37.8), and 2.3 (0.9–6.1), respectively. The hazard ratios for ulcerative colitis (UC) among first-degree relatives of all PSC patients was 3.3 (2.3–4.9) and for Crohn's disease 1.4 (0.8–2.5). The risk of UC for relatives of PSC patients without IBD was also increased, 7.4 (2.9–18.9). Conclusions: First-degree relatives of patients with PSC run an increased risk of PSC, indicating the importance of genetic factors in the etiology of PSC. First-degree relatives of PSC patients without IBD are also at an increased risk of UC, which might indicate shared genetic susceptibility factors for PSC and UC. 
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4.
  • Block, T, et al. (författare)
  • Diagnostic accuracy of plasma biomarkers for intestinal ischaemia
  • 2008
  • Ingår i: Scandinavian Journal of Clinical and Laboratory Investigation. - : Informa UK Limited. - 0036-5513 .- 1502-7686. ; 68:3, s. 242-248
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. Intestinal ischaemia is a life‐threatening condition with high mortality, and the lack of accurate and readily available diagnostic methods often results in delay in diagnosis and treatment. The aim of this study was to investigate the accuracy of different plasma biomarkers in diagnosing intestinal ischaemia. Material and methods. Prospective inclusion of patients older than 50 years with acute abdomen admitted to hospital in Karlskrona, Sweden, between 2001 and 2003. Venous blood was sampled prior to any surgery and within 24h from onset of pain. D‐lactate, alpha glutathione S‐transferase, intestinal fatty acid binding protein, creatine kinase B, isoenzymes of lactate dehydrogenase (LD) and alkaline liver phosphatase (ALP) were analysed. D‐dimer was analysed using four different commercially available test kits. Results. In‐hospital mortalities among patients with (n = 10) and without (n = 61) intestinal ischaemia were 40% and 3%, respectively (p = 0.003). D‐dimer was associated with intestinal ischaemia (p = 0.001) independently of which assay was used. No patient presenting with a normal D‐dimer had intestinal ischaemia. D‐dimer >0.9mg/L had a specificity, sensitivity and accuracy of 82%, 60% and 79%, respectively. Total LD, isoenzymes of LD 1–4 and liver isoenzyme of ALP (ALP liver) were significantly higher in patients with intestinal ischaemia, and accuracies for LD 2 (cut‐off 2.3µkat/L) and ALP liver (cut‐off 0.7µkat/L) were 69% and 66%, respectively. Conclusions. D‐dimer may be used as an exclusion test for intestinal ischaemia, but lacks specificity. The other plasma biomarkers studied had insufficient accuracy for this group of patients. Further studies are needed. 
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5.
  • Bohr, Johan, et al. (författare)
  • Mikroskopisk kolit hos äkta makar
  • 2008
  • Ingår i: Gastrokuriren. ; 13:30, s. PO-09
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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6.
  • Dicksved, Johan, et al. (författare)
  • Molecular analysis of the gut microbiota of identical twins with Crohn's disease
  • 2008
  • Ingår i: The ISME Journal. - : Nature Publishing Group. - 1751-7362 .- 1751-7370. ; 2:7, s. 716-727
  • Tidskriftsartikel (refereegranskat)abstract
    • Increasing evidence suggests that a combination of host genetics and the composition of the gut microbiota are important for development of Crohn's disease (CD). Our aim was to study identical twins with CD to determine microbial factors independent of host genetics. Fecal samples were studied from 10 monozygotic twin pairs with CD (discordant n=6 and concordant n=4) and 8 healthy twin pairs. DNA was extracted, 16S rRNA genes were PCR amplified and T-RFLP fingerprints generated using general bacterial and Bacteroides group-specific primers. The microbial communities were also profiled based on their percentage G+C contents. Bacteroides 16S rRNA genes were cloned and sequenced from a subset of the samples. The bacterial diversity in each sample and similarity indices between samples were estimated based on the T-RFLP data using a combination of statistical approaches. Healthy individuals had a significantly higher bacterial diversity compared to individuals with CD. The fecal microbial communities were more similar between healthy twins than between twins with CD, especially when these were discordant for the disease. The microbial community profiles of individuals with ileal CD were significantly different from healthy individuals and those with colonic CD. Also, CD individuals had a lower relative abundance of B. uniformis and higher relative abundances of B. ovatus and B. vulgatus. Our results suggest that genetics and/or environmental exposure during childhood, in part, determine the gut microbial composition. However, CD is associated with dramatic changes in the gut microbiota and this was particularly evident for individuals with ileal CD.
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8.
  • Hamer, H. M., et al. (författare)
  • Review article : the role of butyrate on colonic function
  • 2008
  • Ingår i: Alimentary Pharmacology and Therapeutics. - : Wiley. - 0269-2813 .- 1365-2036. ; 27:2, s. 104-119
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND: Butyrate, a short-chain fatty acid, is a main end-product of intestinal microbial fermentation of mainly dietary fibre. Butyrate is an important energy source for intestinal epithelial cells and plays a role in the maintenance of colonic homeostasis. AIM: To provide an overview on the present knowledge of the bioactivity of butyrate, emphasizing effects and possible mechanisms of action in relation to human colonic function. METHODS: A PubMed search was performed to select relevant publications using the search terms: 'butyrate, short-chain fatty acid, fibre, colon, inflammation, carcinogenesis, barrier, oxidative stress, permeability and satiety'. RESULTS: Butyrate exerts potent effects on a variety of colonic mucosal functions such as inhibition of inflammation and carcinogenesis, reinforcing various components of the colonic defence barrier and decreasing oxidative stress. In addition, butyrate may promote satiety. Two important mechanisms include the inhibition of nuclear factor kappa B activation and histone deacetylation. However, the observed effects of butyrate largely depend on concentrations and models used and human data are still limited. CONCLUSION: Although most studies point towards beneficial effects of butyrate, more human in vivo studies are needed to contribute to our current understanding of butyrate-mediated effects on colonic function in health and disease.
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