Heart Failure After Cavopulmonary Connection: Conversion to Biventricular Circulatory Support
The Annals of Thoracic Surgery(2021)
摘要
Mechanical support of patients with superior cavopulmonary connection is challenging; multiple factors contribute to failure: elevated pulmonary vascular resistance, aortopulmonary collateral flow, venovenous collaterals, ventricular dysfunction, and atrioventricular valve regurgitation. We report 2 cases of conversion from a single ventricle circulation to biventricular mechanical support by reestablishing caval continuity. Both patients have demonstrated recovery of end-organ function and participation in rehabilitation. This method of support results in improved systemic venous pressures and pulmonary blood flow compared with systemic mechanical circulatory support with a cavopulmonary connection and transfers some of the complexity of the transplant to the ventricular assist device implant. (C) 2021 by The Society of Thoracic Surgeons
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