ISSN : 1301-5680
e-ISSN : 2149-8156
Turkish Journal of Thoracic and Cardiovascular Surgery     
Coronary Artery Bypass Grafting in İdentical Twins: A 6-Year Angiographic Follow-up
Mehmet Erdem Toker, Hasan Basri Erdoğan, Deniz Göksedef, Mustafa Güler, Cevat Yakut
Department of Cardiovascular Surgery, Koşuyolu Heart and Research Hospital, İstanbul
Our knowledge about the prognosis of coronary artery disease in identical twins is limited to case reports and the actual incidence is unknown. There are similarities between the characteristics of coronary artery disease in twin patients, but some differences may also exist. Coronary artery bypass grafting was performed in identical twin brothers aged 32 years. Both patients had stenosis of the left anterior descending (LAD) coronary and circumflex arteries before surgery. Six years after surgery, one of the twins who was not a smoker and had lower lipid levels developed angina. Angiography showed a new stenotic lesion of the right coronary artery that required reintervention. Although anastomosis of the left internal mammary artery and the LAD artery was patent in both patients, the bypass to the circumflex artery performed in one patient was occluded.
Keywords : Coronary angiography; coronary artery bypass; coronary disease/genetics/surgery; diseases in twins; twins, monozygotic
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