Comparison of thyroid disease prevalence in patients with celiac disease and controls

Baharvand, parasto and Hormozi, Maryam and Aaliehpour, Asghar (2019) Comparison of thyroid disease prevalence in patients with celiac disease and controls. Gastroenterology and Hepatology From Bed to Bench.

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Abstract

Aim: This study aimed to investigate the prevalence of thyroid disease (TD) in untreated CD patients and to evaluate the effect of gender and age on its prevalence. Background: Celiac disease (CD) is a form of intestinal malabsorption syndrome which is closely related to endocrine disorders, especially autoimmune thyroid disease and diabetes. The prevalence of TD is possibly high among patients with CD which necessitates the need for screening for TD among them. Methods: This comparative cross-sectional study was conducted on 288 consecutive untreated patients with CD (mean age, 27.9±14) and 250 controls (mean age, 29.01±13.15) referred for endoscopy in a hospital located in Iran. Thyroid function was evaluated by measuring T3, T4, and TSH levels using ELISA technique, and testing anti-thyroperoxidase (anti-TPO) antibodies through electrochemiluminescence method. Data analysis was conducted in SPSS v.22 software using descriptive statistics and chi-squared test. Results: Thyroid disease prevalence was 4-fold higher in patients than in controls (13.6% vs. 3.2%, p<0.05). Hypothyroidism was diagnosed in 30 patients and 7 controls, while hyperthyroidism was observed in 9 patients and in one control. Chi-squared test results reported a significant difference in TD prevalence between patients and controls based on gender and age (p<0.05). In both groups, women were significantly more affected than men, and the TD prevalence was higher in younger patients compared to adults. Conclusion: There was a strong association between thyroid dysfunction and CD. In this regard, it is necessary to screen patients for TD. Keywords: Celiac disease, Thyroid disorders, Autoimmune, Epidemiology.

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