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Träfflista för sökning "WFRF:(Tysk Curt 1949 ) ;pers:(Udumyan Ruzan 1971)"

Sökning: WFRF:(Tysk Curt 1949 ) > Udumyan Ruzan 1971

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1.
  • Wickbom, Anna, 1970-, et al. (författare)
  • Stable Incidence of Collagenous Colitis and Lymphocytic Colitis in Orebro, Sweden, 1999-2008 : A Continuous Epidemiologic Study
  • 2013
  • Ingår i: Inflammatory Bowel Diseases. - 1078-0998 .- 1536-4844. ; 19:11, s. 2387-2393
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The incidence of microscopic colitis (MC) has increased in several centers, but long-term epidemiologic data are missing. We report an epidemiologic study of collagenous colitis (CC) and lymphocytic colitis (LC) during 1999-2008, as a follow-up of our previous studies 1984-1998.Methods: Population-based study of residents of the catchment area of the hospital, with a new diagnosis of MC between 1999 and 2008. Patients were identified by diagnosis registers of the Departments of Medicine and Pathology. Medical files were reviewed, and colonic biopsies were reevaluated.Results: Collagenous colitis was diagnosed in 96 patients (75 females) and LC in 90 patients (74 females). The mean annual age-standardized incidence (per 100,000 inhabitants) was MC 10.2 (95% confidence interval: 8.7-11.7), CC 5.2 (4.2-6.3), and LC 5.0 (4.0-6.0). Age-specific incidence showed a peak in females older than 70 years. Prevalence (per 100,000 inhabitants) on December 31, 2008, was MC 123 (107.6-140.0), CC 67.7 (56.4-80.6), and LC 55.3 (45.2-67.1). A comparison of current study period with 1993-1998 showed unchanged mean incidence of MC, but a 2-fold increase in women older than 60 years with LC (standardized rate ratios 2.2, [1.2-3.7]) and increased female to male ratio (4.6:1 versus 2.1:1; P = 0.02) in LC.Conclusions: After an initial rise during 1980s and early 1990s, annual incidence of CC and LC has been stable during the last 15 years around 5/100,000 inhabitants for each disorder. The increasing incidence in older women with LC may be related to an increasing proportion of older individuals in the background population and increased colonoscopy frequency in elderly.
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2.
  • Zhulina, Yaroslava, 1973-, et al. (författare)
  • Temporal trends in non-stricturing and non-penetrating behaviour at diagnosis of Crohn's disease in Örebro, Sweden : a population-based retrospective study
  • 2014
  • Ingår i: Journal of Crohn's & Colitis. - : Oxford University Press (OUP). - 1873-9946 .- 1876-4479. ; 8:12, s. 1653-1660
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and aim: The incidence of Crohn's disease (CD) is continuing to rise in several countries and in others it appears to have already levelled off after a period of increase. We updated our previous population-based study, by re-extraction of all information on patients diagnosed with CD between 1963 and 2010. Our aim was to assess temporal trends in incidence, prevalence and disease phenotype at diagnosis.Methods: Patients of all ages with a potential diagnosis of CD were identified retrospectively by evaluation of medical notes of all current and previous patients at the colitis clinic, Örebro University Hospital amended by computerised search in the inpatient, outpatient, primary care and histopathological records. Diagnosis was confirmed by subsequent evaluation of medical notes. Disease phenotype was defined according to the Montreal classification.Results: The incidence increased over time, especially among Crohn's disease, A1 and A3. SaTScan model revealed a statistically significant high incidence during 1991-2010 (p=0.0001). The median age at diagnosis increased from 28 (3-79) years to 37 (5-87) years (p=0.0002). The point prevalence increased from 21/10(5) (14-32) in 1965 to 267/10(5) (244-291) in 2010. Non-stricturing and non-penetrating disease at diagnosis increased from 12.5% in 1963-1965 to 82.3% in 2006-2010 (p<0.0001).Conclusion: The incidence of CD increased over time, although it seemed to be plateauing during the most recent decades. A striking increase in non-stricturing, non-penetrating disease at diagnosis was observed, suggesting earlier diagnosis or phenotypic change. The observed point prevalence in 2010 is among the highest reported.
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3.
  • Zhulina, Yaroslava, 1973-, et al. (författare)
  • The changing face of Crohn’s disease : a population-based study of the natural history of Crohn’s disease in Örebro, Sweden 1963-2005
  • 2016
  • Ingår i: Scandinavian Journal of Gastroenterology. - Oxon, United Kingdom : Taylor & Francis Group. - 0036-5521 .- 1502-7708. ; 51:3, s. 304-313
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Changes in medical therapy and surgery might have influenced the natural history Crohn’s disease (CD). Our aim was to explore the short-term outcome of CD and to specifically assess trends in disease phenotype, medications and surgery in the first five years from diagnosis.Material and Methods: A population-based cohort comprising 472 CD patients diagnosed within the primary catchment area of Örebro University Hospital 1963-2005 were identified retrospectively and described. Data on medication, surgery, progression in disease location and behaviour, were extracted from the medical records. Patients were divided into three cohorts based on year of diagnosis.Results: The proportion of patients with complicated disease behaviour 5 years after diagnosis decreased from 54.4% (95%CI, 43.9-65.6) to 33.3% (27.4-40.0) in patients diagnosed 1963-1975 and 1991-2005, respectively (p=0.002), whereas the proportion of patients progressing to complicated disease behaviour was stable among those with non-stricturing, non-penetrating disease at diagnosis (p=0.435). The proportion of patients undergoing surgery decreased from 65.8% (55.4-76.0) to 34.6% (28.6-41.5) in patients diagnosed 1963-1975 and 1991-2005, respectively (p<0.001). The reduction in surgery preceded an increased use of immunomodulators and was explained by a decrease in surgery within three months from diagnosis (p=0.001).Conclusions: We observed a striking decrease in complicated disease behaviour and surgery five years after CD diagnosis, the latter largely due to a decrease in early surgery. Our findings suggest that the introduction of new treatments alone does not explain the reduction in surgery rates, the increasing proportion of patients with inflammatory disease at diagnosis also play an important role.
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