Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2012
Prevalence and clinical relevance of enteropathy associated with systemic autoimmune diseases.
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Vives Maria-José, Esteve Maria, Mariné Meritxell, Fernández-Bañares Fernando, Alsina Montserrat, Salas Antonio, Loras Carme, Carrasco Anna, Almagro Pere, Viver Josep M, Rodriguez-Carballeira Mónica
Аннотация
OBJECTIVE: To assess whether systemic autoimmune diseases are a risk group for coeliac disease and if there is a systemic autoimmune diseases-associated enteropathy.
METHODS: 183 patients with systemic autoimmune diseases were included. Duodenal biopsy was carried out on patients with positive coeliac genetics (HLA-DQ2-DQ8) and/or serology and/or symptoms of the coeliac disease spectrum. When enteropathy was found, causes, including gluten sensitivity, were investigated and categorized according to a sequentially applied treatment. Results were analysed with Chi-square or Fisher exact tests.
RESULTS: The prevalence of coeliac disease with atrophy was 0.55% (1 of 183 patients). Thirty-eight of the 109 patients (34.8%) who underwent duodenal biopsy had lymphocytic enteropathy (8 infectious, 5 due to gluten sensitive enteropathy, 5 HLA-DQ2/DQ8 who did not accept gluten-free diet and 20 of unknown aetiology). Lymphocytic enteropathy was unrelated to disease activity or immunosuppressants. HLA-DQ2 was more frequent in connective tissue disease (41.5%) compared with systemic vasculitis and autoinflammatory diseases (17.9%) (p=0.02), whereas a lower percentage of lymphocytic enteropathy was observed in the former (20.2% vs. 41.6%). Lymphocytic enteropathy was clinically irrelevant in cases with no definite aetiology.
DISCUSSION: One third of systemic autoimmune diseases patients had enteropathy of uncertain clinical meaning in the majority of cases, which was rarely due to gluten sensitive enteropathy.
METHODS: 183 patients with systemic autoimmune diseases were included. Duodenal biopsy was carried out on patients with positive coeliac genetics (HLA-DQ2-DQ8) and/or serology and/or symptoms of the coeliac disease spectrum. When enteropathy was found, causes, including gluten sensitivity, were investigated and categorized according to a sequentially applied treatment. Results were analysed with Chi-square or Fisher exact tests.
RESULTS: The prevalence of coeliac disease with atrophy was 0.55% (1 of 183 patients). Thirty-eight of the 109 patients (34.8%) who underwent duodenal biopsy had lymphocytic enteropathy (8 infectious, 5 due to gluten sensitive enteropathy, 5 HLA-DQ2/DQ8 who did not accept gluten-free diet and 20 of unknown aetiology). Lymphocytic enteropathy was unrelated to disease activity or immunosuppressants. HLA-DQ2 was more frequent in connective tissue disease (41.5%) compared with systemic vasculitis and autoinflammatory diseases (17.9%) (p=0.02), whereas a lower percentage of lymphocytic enteropathy was observed in the former (20.2% vs. 41.6%). Lymphocytic enteropathy was clinically irrelevant in cases with no definite aetiology.
DISCUSSION: One third of systemic autoimmune diseases patients had enteropathy of uncertain clinical meaning in the majority of cases, which was rarely due to gluten sensitive enteropathy.