EVALUATION OF MECHANICAL CIRCULATORY ASSIST FOR NON-SURGICAL CARDIOGENIC SHOCK USING PERCUTANEOUS CARDIOPULMONARY SUPPORT SYSTEM

Abstract

Circulatory assist using a percutaneous cardiopulmonary support system (PCPS) was performed in 5 patients with non-surgical cardiogenic shock over the past 6 years. Their diagnoses were 3 cases of dilated cardiomyopathy (DCM), 1 acute myocardial infarction (AMI), and 1 acute myocarditis. The causes of circulatory assist were 4 cases of severe arrythmia, such as ventricular tachycardia (VT) and ventricular fibrillation (Vf). Survival rate was 20% (1/5); the cause of death in 4 cases was multiple organ failure (MOF). Parameters of renal and liver function during circulatory assist using PCPS were elevated from 3 days after starting circulatory assist. Platelet count was also decreased from 3 days after starting circulatory assist. Therefore, we think that the use of a ventricular support system as a mechanical bridge for cardiac transplantation should be considered at the stage when signs of MOF are absent while the patient is receiving temporary veno-arterial bypass (VAB).