期刊
ALIMENTARY PHARMACOLOGY & THERAPEUTICS
卷 55, 期 5, 页码 514-527出版社
WILEY
DOI: 10.1111/apt.16729
关键词
coeliac disease; diagnostic tests; meta-analyses
资金
- National Institute for Health Research Applied Research Collaboration West (NIHR ARC West)
- National Institute for Health Research [NIHR129020]
- National Institutes of Health Research (NIHR) [NIHR129020] Funding Source: National Institutes of Health Research (NIHR)
This study aimed to assess the diagnostic accuracy of serological tests for coeliac disease in both children and adults. The results showed that anti-tissue transglutaminase has sufficient sensitivity to rule out coeliac disease in children, while endomysial antibody has high specificity to rule in coeliac disease in adults.
Background There is growing support for a biopsy avoidant approach to diagnose coeliac disease in both children and adults, using a serological diagnosis instead. Aims To assess the diagnostic accuracy of serological tests for coeliac disease in adults and children. Methods Seven electronic databases were searched between January 1990 and August 2020. Eligible diagnostic studies evaluated the accuracy of serological tests for coeliac disease against duodenal biopsy. Risk of bias assessment was performed using QUADAS-2. Bivariate random-effects meta-analyses were used to estimate serology sensitivity and specificity at the most commonly reported thresholds. Results 113 studies (n = 28,338) were included, all in secondary care populations. A subset of studies were included in meta-analyses due to variations in diagnostic thresholds. Summary sensitivity and specificity of immunoglobulin A (IgA) anti-tissue transglutaminase were 90.7% (95% confidence interval: 87.3%, 93.2%) and 87.4% (84.4%, 90.0%) in adults (5 studies) and 97.7% (91.0%, 99.4%) and 70.2% (39.3%, 89.6%) in children (6 studies); and of IgA endomysial antibodies were 88.0% (75.2%, 94.7%) and 99.6% (92.3%, 100%) in adults (5 studies) and 94.5% (88.9%, 97.3%) and 93.8% (85.2%, 97.5%) in children (5 studies). Conclusions Anti-tissue transglutaminase sensitivity appears to be sufficient to rule out coeliac disease in children. The high specificity of endomysial antibody in adults supports its use to rule in coeliac disease. This evidence underpins the current development of clinical guidelines for a serological diagnosis of coeliac disease. Studies in primary care are needed to evaluate serological testing strategies in this setting.
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