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Background: Blood transfusions and iron chelation are standard treatments for β-thalassemia major and Hb E-Beta-Thalassemia. However, repeated transfusions raise body iron levels, leading to secondary hemosiderosis and complications in the heart, endocrine system, and liver. Thyroid dysfunction results from gland infiltration, chronic hypoxia, free radical damage, and iron overload. This study aimed to find out the prevalence of hypothyroidism in transfusion-dependent thalassemic children attending Bangladesh Shishu Hospital & Institute. Methods: A descriptive cross-sectional study was conducted at the Thalassemia Centre, Department of Hematology and Oncology, Bangladesh Shishu Hospital & Institute, from December 2019 to November 2020. The study included 140 children with thalassemia, aged 5 to 16 years, who were receiving blood transfusions. Data were collected using a structured questionnaire with participant consent. Statistical analysis was performed using SPSS version 23.0. Results: In this study, hypothyroidism was observed in 26.2% of patients, with 23.5% having subclinical and 2.9% overt hypothyroidism. In most of the patients (n=85), aged 11-16 years, 58.3% had normal thyroid function, 36.5% had subclinical, and 4.7% had overt hypothyroidism, which was statistically significant (p0.05). Conclusion: Subclinical hypothyroidism is commonly seen in thalassemia patients aged 5 to 16 years who undergo regular blood transfusions. Regular physical exams and thyroid function assessments are crucial to detect overt hypothyroidism early. Timely hormone replacement can
Afroze et al. (Thu,) studied this question.