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Sökning: WFRF:(Ludvigsson Jonas F. 1969 ) > Linnéuniversitetet

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1.
  • Röckert Tjernberg, Anna, 1975-, et al. (författare)
  • Does Celiac Disease Influence Survival in Sepsis? : A Nationwide Longitudinal Study
  • 2016
  • Ingår i: PLOS ONE. - San Francisco, USA : Public Library of Science (PLoS). - 1932-6203. ; 11:4
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Individuals with celiac disease (CD) are at increased risk of sepsis. The aim of this study was to examine whether CD influences survival in sepsis of bacterial origin. Methods Nationwide longitudinal registry-based study. Through data on small intestinal biopsies from Sweden's 28 pathology departments, we identified 29,096 individuals with CD (villous atrophy, Marsh stage III). Each individual with CD was matched with five population-based controls. Among these, 5,470 had a record of sepsis according to the Swedish Patient Register (1,432 celiac individuals and 4,038 controls). Finally we retrieved data on mortality in sepsis patients through the Swedish Cause of Death Registry. Results CD was associated with a 19% increase in overall mortality after sepsis (95% confidence interval (CI) = 1.09-1.29), with the highest relative risk occurring in children (adjusted hazard ratio (aHR) = 1.62; 95% CI = 0.67-3.91). However, aHR for death from sepsis was lower (aHR = 1.10) and failed to reach statistical significance (95% CI = 0.72-1.69). CD did not influence survival within 28 days after sepsis (aHR = 0.98; 95% CI = 0.80-1.19). Conclusions Although individuals with CD seem to be at an increased risk of overall death after sepsis, that excess risk does not differ from the general excess mortality previously seen in celiac patients in Sweden. CD as such does not seem to influence short-term or sepsis-specific survival in individuals with sepsis and therefore is not an independent risk factor for poor prognosis in sepsis.
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2.
  • Tjernberg, Anna Rockert, et al. (författare)
  • Celiac disease and complement activation in response to Streptococcus pneumoniae
  • 2020
  • Ingår i: European Journal of Pediatrics. - : Springer. - 0340-6199 .- 1432-1076. ; 179:1, s. 133-140
  • Tidskriftsartikel (refereegranskat)abstract
    • Individuals with celiac disease (CD) are at increased risk of invasive pneumococcal disease (IPD). The aim of this study was to explore whether the complement response to Streptococcus pneumoniae differed according to CD status, and could serve as an explanation for the excess risk of IPD in CD. Twenty-two children with CD and 18 controls, born 1999-2008, were included at Kalmar County Hospital, Sweden. The degree of complement activation was evaluated by comparing levels of activation products C3a and sC5b-9 in plasma incubated for 30 min with Streptococcus pneumoniae and in non-incubated plasma. Complement analyses were performed with enzyme-linked immunosorbent assay (ELISA). Pneumococcal stimulation caused a statistically significant increase in C3a as well as sC5b-9 in both children with CD and controls but there was no difference in response between the groups. After incubation, C3a increased on average 4.6 times and sC5b-9 22 times in both the CD and the control group (p = 0.497 and p = 0.724 respectively). Conclusion: Complement response to Streptococcus pneumoniae seems to be similar in children with and without CD and is thus unlikely to contribute to the increased susceptibility to invasive pneumococcal disease in CD.
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3.
  • Röckert Tjernberg, Anna, 1975-, et al. (författare)
  • Coeliac disease and invasive pneumococcal disease : a population-based cohort study
  • 2017
  • Ingår i: Epidemiology and Infection. - : Cambridge University Press. - 0950-2688 .- 1469-4409. ; 145:6, s. 1203-1209
  • Tidskriftsartikel (refereegranskat)abstract
    • Severe infections are recognized complications of coeliac disease (CD). In the present study we aimed to examine whether individuals with CD are at increased risk of invasive pneumococcal disease (IPD). To do so, we performed a population-based cohort study including 29 012 individuals with biopsy-proven CD identified through biopsy reports from all pathology departments in Sweden. Each individual with CD was matched with up to five controls (n = 144 257). IPD events were identified through regional and national microbiological databases, including the National Surveillance System for Infectious Diseases. We used Cox regression analyses to estimate hazard ratios (HRs) for diagnosed IPD. A total of 207 individuals had a record of IPD whereas 45/29 012 had CD (0.15%) and 162/144 257 were controls (0.11%). This corresponded to a 46% increased risk for IPD [HR 1.46, 95% confidence interval (CI) 1.05-2.03]. The risk estimate was similar after adjustment for socioeconomic status, educational level and comorbidities, but then failed to attain statistical significance (adjusted HR 1.40, 95% CI 0.99-1.97). Nonetheless, our study shows a trend towards an increased risk for IPD in CD patients. The findings support results seen in earlier research and taking that into consideration individuals with CD may be considered for pneumococcal vaccination.
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