Correlation of duodenal histology with tissue transglutaminase and endomysial antibody levels in pediatric celiac disease

被引:88
作者
Donaldson, Matthew R.
Firth, Sean D.
Wimpee, Holly
Leiferman, Kristin M.
Zone, John J.
Horsley, Wyatt
O'Gorman, Molly A.
Jackson, W. Daniel
Neuhausen, Susan L.
Hull, Christopher M.
Book, Linda S.
机构
[1] Univ Utah, Div Pediat Gastroenterol, Dept Pediat, Salt Lake City, UT 84113 USA
[2] Univ Utah, Dept Dermatol, Salt Lake City, UT 84113 USA
[3] Univ Calif Irvine, Div Epidemiol, Dept Med, Irvine, CA USA
关键词
D O I
10.1016/j.cgh.2007.01.003
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Background & Aims: IgA antibodies against tissue transglutaminase (TTGA) and endomysium. (EMA) are sensitive and specific markers for celiac disease (CD). Data correlating TTGA and EMA levels with degree of villous atrophy are limited. We compared duodenal histopathology in pediatric CD patients with TTGA and EMA serologies, symptoms, height, and weight. Methods: We identified 117 pediatric patients retrospectively who had serologic testing for IgA TTGA and IgA EMA and duodenal biopsies graded by modified Marsh criteria as 0-3c. Data were analyzed with Spearman rank correlation and multinomial logistic regression. Results: IgA TTGA (r = .704, P < .001) and IgA EMA (r = 0.740, P < .001) correlated with intestinal villous atrophy in pediatric CD patients by Spearman rank correlation. Similar correlations were found in a subset of 23 patients younger than 3 years of age. Multinomial logistic regression revealed increased probability of Marsh 3a or greater changes with increasing TTGA or EMA levels. Strongly positive antibody levels (TTGA >100 units or EMA titer >1:1280) were highly specific (>98%) for Marsh 3a or greater lesions. Among symptoms, abdominal distention and diarrhea were associated with abnormal histology. Conclusions: IgA TTGA and EMA levels correlate with duodenal villous atrophy in pediatric CD patients. IgA TTGA > 100 or EMA > 1: 1280 were nearly always associated with CD histopathology. With further validation of this observation, strongly positive titers might be considered sufficient for diagnosis of pediatric patients at risk for CD. Symptoms, height, and weight are not reliable predictors of CD.
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页码:567 / 573
页数:7
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