Discordance Between Serology and Histology for Celiac Disease in a Cohort with Coexisting Liver Disorders

Journal of the Canadian Association of Gastroenterology
Lena CvetkovicAmelie Therrien

Abstract

The liver and celiac disease (CeD) share a complex relationship. While in some patients, isolated hypertransaminasemia is the only manifestation of CeD, liver diseases (LD) may also be associated with the presence of isolated tissue transglutaminase antibodies IgA (tTG IgA) without histologic evidence of CeD. To examine the yield of tTG IgA testing (a) in the workup for chronic liver disease (CLD) or cytolysis and (b) to identify biopsy-confirmed CeD (BxCeD) among patients with concomitant LD. Retrospective study including two cohorts. Cohort 1 represented 444 consecutive individuals without known CeD for which liver specialists requested tTG IgA. Incidence of positive tTG and BxCeD was evaluated. Cohort 2 included 212 consecutive individuals with positive tTG IgA and subsequent duodenal biopsies. The frequency and clinical characteristics of individuals without BxCeD were examined, with and without concurrent LD. The rate of first time positive tTG IgA among the tests requested by a liver specialist (cohort 1) was 2.0% (n = 9). However, 33.0% (n = 3) of these patients did not have BxCeD. Cohort 2 included 33 individuals with coexisting LD, of which 42.4% did not have BxCeD, compared with 16.2% of the patients without LD (P < 0...Continue Reading

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Citations

Nov 5, 2020·Critical Reviews in Analytical Chemistry·Jie Tang Han Han
Jan 2, 2020·Journal of the Canadian Association of Gastroenterology·Kashi CallichurnMickael Bouin

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Methods Mentioned

BETA
biopsies
biopsy

Software Mentioned

GraphPad Prism
STATA

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