Correction of anomalous origin of left coronary artery with mitral insufficiency and mechanical hemolisys

نویسندگان

  • José Alberto CALIANI
  • Alessandra Amorim MACHADO
  • José Augusto Toledo MARINHO
  • Luiz Carlos SIMÕES
  • Odilon Nogueira BARBOSA
چکیده

A 2-month-old girl presenting with heart failure and murmur was investigated using Doppler echocardiography and cardiac catheterization revealing an anomalous left coronary artery origin from the pulmonary trunk and massive mitral regurgitation. The patient was submitted to surgery under cardiopulmonary bypass: the anomalous coronary artery was implanted in the aorta and the mitral valve repaired by annuloplasty. In the postoperative period the patient had important mechanical hemolysis caused by the mitral annuloplasty. The patient underwent a second intervention to remove a piece of bovine pericardium. A postoperative echocardiogram revealed mild mitral insufficiency and the patient is free of symptoms. Descriptors: Coronary vessel anomalies, surgery. Pulmonary artery, abnormalities, surgery. Anemia hemolytic. Hemolysis. Mitral valve insufficiency. Resumo Criança do sexo feminino, 2 meses de idade, apresentando quadro clínico de insuficiência cardíaca e sopro. Durante a investigação, foi realizado ecocardiograma e estudo cineangiocardiográfico que evidenciaram origem anômala da artéria coronária esquerda do tronco pulmonar e insuficiência mitral importante demonstrada ao doppler. A paciente foi submetida a tratamento cirúrgico com auxílio de circulação extracorpórea, que consistiu no reimplante da artéria coronária esquerda na aorta, associado à anuloplastia da valva mitral. No pós-operatório tardio, houve importante hemólise mecânica ocasionada pela plastia mitral. A paciente foi reoperada para remoção de retalho de pericárdio bovino. O ecocardiograma pós-operatório mostra insuficiência mitral leve e o paciente apresenta-se em classe funcional I (NYHA). Descritores: Anomalias dos vasos coronários, cirurgia. Artéria pulmonar, anormalidades, cirurgia. Anemia hemolítica. Hemólise. Insuficiência da valva mitral. Correção da origem anômala de artéria coronária esquerda com insuficiência mitral e hemólise mecânica Correction of anomalous origin of left coronary artery with mitral insufficiency and mechanical

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تاریخ انتشار 2005