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41.
  • Staller, K., et al. (författare)
  • Mortality risk in irritable bowel syndrome: Results from a nationwide prospective cohort study
  • 2020
  • Ingår i: American Journal of Gastroenterology. - : Blackwell Publishing. - 0002-9270 .- 1572-0241. ; 115:5, s. 746-755
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Mortality concern is a frequent driver of care seeking in patients with irritable bowel syndrome (IBS). Data on mortality in IBS are scarce, and population-based studies have been limited in size. We examined mortality in IBS. METHODS: A nationwide, matched, population-based cohort study was conducted in Sweden. We identified 45,524 patients undergoing a colorectal biopsy at any of Sweden’s 28 pathology departments and with a diagnosis of IBS from 2002 to 2016 according to the National Patient Register, a nationwide registry of inpatient and outpatient specialty care. We compared the mortality risk between these individuals with IBS and age- and sex-matched reference individuals (n 5 217,316) from the general population and siblings (n 5 53,228). In separate analyses, we examined the role of mucosal appearance for mortality in IBS. Finally, we examined mortality in 41,427 patients with IBS not undergoing a colorectal biopsy. Cox regression estimated hazard ratios (HRs) for death. RESULTS: During follow-up, there were 3,290 deaths in individuals with IBS (9.4/1,000 person-years) compared with 13,255 deaths in reference individuals (7.9/1,000 person-years), resulting in an HR of 1.10 (95% confidence interval [CI] 5 1.05–1.14). After adjustment for confounders, IBS was not linked to mortality (HR 5 0.96; 95% CI 5 0.92–1.00). The risk estimates were neutral when patients with IBS were compared with their siblings. The underlying mucosal appearance on biopsy had only a marginal impact on mortality, and patients with IBS not undergoing a colorectal biopsy were at no increased risk of death (HR 5 1.02; 95% CI 5 0.99–1.06). DISCUSSION: IBS does not seem to confer an increased risk of death. Copyright © 2020 by The American College of Gastroenterology.
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42.
  • Svensson, Matilda1, et al. (författare)
  • Antibodies to influenza virus A/H1N1 hemagglutinin in type 1 diabetes children diagnosed before, during and after the Swedish A(H1N1)pdm09 vaccination campaign 2009-2010.
  • 2014
  • Ingår i: Scandinavian Journal of Immunology. - : Wiley-Blackwell. - 1365-3083 .- 0300-9475. ; 79:2, s. 137-148
  • Tidskriftsartikel (refereegranskat)abstract
    • We determined A/H1N1-HA antibodies in relation to HLA-DQ genotypes and islet autoantibodies at clinical diagnosis in 1141 incident 0.7-18 years old type 1 diabetes patients diagnosed April 2009 - December 2010. Antibodies to (35) S-methionine-labeled A/H1N1 hemagglutinin were determined in a radiobinding assay in patients diagnosed before (n=325), during (n=355) and after (n=461) the October 2009 - March 2010 Swedish A(H1N1)pdm09 vaccination campaign, along with HLA-DQ genotypes and autoantibodies against GAD, insulin, IA-2 and ZnT8 transporter. Before vaccination, 0.6% patients had A/H1N1-HA antibodies compared to 40% during and 27% after vaccination (p<0.0001). In children <3 years of age, A/H1N1-HA antibodies were found only during vaccination. The frequency of A/H1N1-HA antibodies during vaccination decreased after vaccination among the 3<6 (p=0.006) and 13<18 (p=0.001) but not among the 6<13 year olds. HLA-DQ2/8 positive children <3 years decreased from 54% (15/28) before and 68% (19/28) during, to 30% (9/30) after vaccination (p=0.014). Regardless of age, DQ2/2; 2/X (n=177) patients had lower frequency (p=0.020) and levels (p=0.042) of A/H1N1-HA antibodies compared to non-DQ2/2; 2/X (n=964) patients. GADA frequency was 50% before, 60% during and 51% after vaccination (p=0.009). ZnT8QA frequency increased from 30% before to 34% during and 41% after vaccination (p=0.002). Our findings suggest that young (<3 years) along with DQ2/2; 2/X patients were low responders to Pandemrix(®) . As the proportion of DQ2/8 patients <3 years of age decreased after vaccination and the frequencies of GADA and ZnT8QA were enhanced, it cannot be excluded that the vaccine affected clinical onset of type 1 diabetes. This article is protected by copyright. All rights reserved.
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43.
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44.
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45.
  • Ban, Lu, et al. (författare)
  • Incidence of First Stroke in Pregnant and Nonpregnant Women of Childbearing Age : A Population-Based Cohort Study From England
  • 2017
  • Ingår i: Journal of the American Heart Association. - : John Wiley & Sons. - 2047-9980 .- 2047-9980. ; 6:4
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Pregnant women may have an increased risk of stroke compared with nonpregnant women of similar age, but the magnitude and the timing of such risk are unclear. We examined the risk of a first stroke event in women of childbearing age and compared the risk during pregnancy and in the early postpartum period with the background risk outside these periods.METHODS AND RESULTS: We conducted an open cohort study of 2 046 048 women aged 15 to 49 years between April 1, 1997, and March 31, 2014, using linked primary (Clinical Practice Research Datalink) and secondary (Hospital Episode Statistics) care records in England. Risk of first stroke was assessed by calculating the incidence rate of stroke in antepartum, peripartum (2 days before until 1 day after delivery), and early (first 6 weeks) and late (second 6 weeks) postpartum periods compared with nonpregnant time using a Poisson regression model with adjustment for maternal age, socioeconomic group, and calendar time. A total of 2511 women had a first stroke. The incidence rate of stroke was 25.0 per 100 000 person-years (95% CI 24.0-26.0) in nonpregnant time. The rate was lower antepartum (10.7 per 100 000 person-years, 95% CI 7.6-15.1) but 9-fold higher peripartum (161.1 per 100 000 person-years, 95% CI 80.6-322.1) and 3-fold higher early postpartum (47.1 per 100 000 person-years, 95% CI 31.3-70.9). Rates of ischemic and hemorrhagic stroke both increased peripartum and early postpartum.CONCLUSIONS: Although the absolute risk of first stroke is low in women of childbearing age, healthcare professionals should be aware of a considerable increase in relative risk during the peripartum and early postpartum periods.
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46.
  • Bozorg, Soran R., 1993-, et al. (författare)
  • Validation of serrated polyps (SPs) in Swedish pathology registers
  • 2019
  • Ingår i: BMC Gastroenterology. - : BMC. - 1471-230X .- 1471-230X. ; 20:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Little is known about the natural history of serrated polyps (SPs), partly due to the lack of large-scale epidemiologic data. In this study, we examined the validity of SP identification according to SNOMED (Systematised Nomenclature of Medicine) codes and free text from colorectal histopathology reports.Methods: Through the ESPRESSO (Epidemiology Strengthened by histoPathology Reports in Sweden) study, we retrieved data on SPs from all pathology departments in Sweden in 2015-2017 by using SNOMED codes and free-text search in colorectal histopathology reports. Randomly selected individuals with a histopathology report of SPs were validated against patient charts using a structured, retrospective review.Results: SPs were confirmed in 101/106 individuals with a histopathology report of SPs, yielding a positive predictive value (PPV) of 95% (95%CI = 89-98%). By year of diagnosis, the PPV was 89% (95%CI = 69-97%), 96% (95%CI = 81-99%) and 97% (95%CI = 89-99%) for individuals diagnosed before 2001 (n = 19), between 2001 and 2010 (n = 26) and after 2010 (n = 61), respectively. According to search method, the PPV for individuals identified by SNOMED codes was 100% (95%CI = 93-100%), and 93% (95%CI = 86-97%) using free-text search. Recorded location (colon vs. rectum) was correct in 94% of all SP histopathology reports (95%CI = 84-98%) identified by SNOMED codes. Individuals with SPs were classified into hyperplastic polyps (n = 34; 32%), traditional serrated adenomas (n = 3; 3%), sessile serrated adenomas/polyps (SSA/Ps) (n = 70; 66%), unspecified SPs (n = 3, 3%), and false positive SPs (n = 5, 5%). For individuals identified by SNOMED codes, SSA/Ps were confirmed in 49/52 individuals, resulting in a PPV of 94% (95%CI: 84-98%). In total, 57% had >= 2 polyps (1: n = 44, 2-3: n = 33 and >= 4: n = 27). Some 46% of SPs (n = 71) originated from the proximal colon and 24% were >= 10 mm in size (n = 37). Heredity for colorectal cancer, intestinal polyposis syndromes, or both was reported in seven individuals (7%). Common comorbidities included diverticulosis (n = 45, 42%), colorectal cancer (n = 19, 18%), and inflammatory bowel disease (n = 10, 9%).Conclusion: Colorectal histopathology reports are a reliable data source to identify individuals with SPs.
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47.
  • Ciacci, Carolina, et al. (författare)
  • The gluten-free diet and its current application in coeliac disease and dermatitis herpetiformis
  • 2015
  • Ingår i: United European Gastroenterology journal. - : Sage Publications. - 2050-6406 .- 2050-6414. ; 3:2, s. 121-135
  • Forskningsöversikt (refereegranskat)abstract
    • Background: A gluten-free diet (GFD) is currently the only available therapy for coeliac disease (CD). Objectives: We aim to review the literature on the GFD, the gluten content in naturally gluten-free (GF) and commercially available GF food, standards and legislation concerning the gluten content of foods, and the vitamins and mineral content of a GFD. Methods: We carried out a PubMed search for the following terms: Gluten, GFD and food, education, vitamins, minerals, calcium, Codex wheat starch and oats. Relevant papers were reviewed and for each topic a consensus among the authors was obtained. Conclusion: Patients with CD should avoid gluten and maintain a balanced diet to ensure an adequate intake of nutrients, vitamins, fibre and calcium. A GFD improves symptoms in most patients with CD. The practicalities of this however, are difficult, as (i) many processed foods are contaminated with gluten, (ii) staple GF foods are not widely available, and (iii) the GF substitutes are often expensive. Furthermore, (iv) the restrictions of the diet may adversely affect social interactions and quality of life. The inclusion of oats and wheat starch in the diet remains controversial.
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48.
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49.
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50.
  • Kack, U, et al. (författare)
  • Reply
  • 2019
  • Ingår i: The Journal of allergy and clinical immunology. - 1097-6825. ; 71:2, s. 325-327
  • Tidskriftsartikel (övrigt vetenskapligt)
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