Background: Cyanotic congenital heart disease (CCHD) predisposes patients to iron deficiency due to compensatory secondary erythrocytosis. Objective: This study aimed to assess the prevalence of iron deficiency among infants and children having cyanotic and non-cyanotic congenital heart disease. Patients and methods: This was a case-control study enrolled 30 children with congenital heart disease whether cyanotic or non-cyanotic at the
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