Coronary Arterial Revascularization in an Adult with Congenitally Corrected Transposition of Great Arteries and Dextrocardia

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Abstract

Objectives

Congenitally corrected transposition of great arteries with dextrocardia is an extremely rare lesion in adulthood. This group of patients does not live long enough for atherosclerotic coronary artery disease processes, because of existing comorbid anomalies.

Methods

We report a 47-year-old man with isolated congenitally corrected transposition of great arteries, dextrocardia, and athersclerotic coronary artery disease. The patient underwent coronary artery revascularization with cardiopulmonary bypass. The free left internal mammary artery (LIMA) was grafted to the tiny left anterior descending artery (LAD), and the reversed saphenous vein Y graft was anastomosed to the posterior descending and posterolateral branches of the morphologic right coronary artery.

Results

The patient recovered uneventfully. He is alive and well 24 months after the surgery.

Conclusions

To our knowledge, the present case is the first congenitally corrected transposition of great arteries with dextrocardia treated with grafted coronary artery bypass. Early and full revascularization is very important for the systemic right ventricle exposed to a systemic workload. The vessel pathologies and technical details of this unusual case are discussed in this paper.

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