Abstract
Methylenetetrahydrofolate reductase (MTHFR) is a key enzyme in the folate metabolism, where homocysteine converted to methionine. Methylenetetrahydrofolate reductase gene polymorphism is responsible for hyperhomocysteinemia resulting congenital heart defects, hypercoagulable states and recurrent abortion. A 30-yearold female was referred to our department with the diagnosis of atrial septal defect. In her medical history, she had two pregnancies with spontaneous abortus, deep venous thrombosis attacks, pulmonary thromboembolism and paradoxical cerebral embolus. The genetic workup revealed heterozygote MTHFR C677T mutation. We recommend suspecting MTHFR polymorphism in young fertile women with a history of spontaneous abortus or deep venous thrombosis or congenital heart disease with a paradoxical cerebral embolus.
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More From: Turkish Journal of Thoracic and Cardiovascular Surgery
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