Abstract
Transposition of the great arteries is a congenital cardiac abnormality that presents in the neonatal period, most commonly as cyanosis. While variations in anatomic features exist, dextro-transposition of the great arteries, the most common form, results in 2 separate circulatory systems in parallel, such that the right ventricle pumps deoxygenated blood to the systemic circulation, and the left ventricle sends oxygenated blood back to the pulmonary circulation. To ensure survival, early diagnosis and intervention to allow for adequate mixing of blood is necessary. The arterial switch operation is the definitive treatment, usually undertaken in the first few days of life. Known complications of surgery include ischemia, bleeding, hemodynamic compromise, and arrhythmias. Anesthetic management must take these factors into account.
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