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RESEARCH PRODUCT

Clinical symptoms in celiac patients on a gluten-free diet.

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OBJECTIVE: Persistent villous atrophy in patients with celiac disease (CD) on a gluten-free diet (GFD) is reported with increasing frequency. The aim of this study was to evaluate a possible association between persistent damage of the villi and "atypical" gastrointestinal symptoms in CD patients on a GFD. MATERIAL AND METHODS: Sixty-nine CD patients on a GFD were divided into two groups: Group A included 42 patients (6 M, 36 F, age range 17-62 years) undergoing esophagogastroduodenoscopies (EGDs) due to the presence of symptoms; Group B included 27 control patients (6 M, 21 F, age range 24-71 years) who were asymptomatic at the time of the study. Both groups underwent EGDs and a duodenal histologic study. RESULTS: Persistent endoscopic lesions were more frequent in Group A (30/42) than in Group B (12/27; p=0.01). Villous atrophy was significantly more frequent in Group A than in Group B: 85% versus 33% (p<0.0001; odds ratio (OR)=12; 95% CI 3.7-38.9). Gastrointestinal symptoms in the Group A patients were different from those present at CD diagnosis: anemia/diarrhea/weight loss in 6 cases; gastroesophageal reflux disease (GERD)-like symptoms in 12 cases; abdominal pain/constipation in 24 cases. In Group A there was no difference in gender distribution, age and duration of GFD between subjects with normal villi and those with persistent partial villous atrophy. Patients with persistent symptoms showed a higher intraepithelial eosinophil count (p=0.005) than the asymptomatic patients (p=0.01). CONCLUSIONS: Persistent intestinal villous atrophy in CD patients on a GFD is associated with gastrointestinal symptoms considered "atypical" for CD and not present at CD diagnosis.