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ORIGINAL ARTICLE

Ostium and left coronary angioplasty: experience with eight cases

Danton R. R Loures; Edison J Ribeiro; Rui Sequeira de Almeida; Maria João A Ferreira; Ronaldo R. L Bueno; Paulo Mauricio P Andrade; Marcos Augusto A Pereira; Paulo Roberto F Rossi

DOI: 10.1590/S0102-76381990000300004

ABSTRACT

Between April 1980 and March 1990 we performed eight surgical angioplasties of the left main coronary artery and/or its ostium and of the right coronary artery's ostium. There was no early mortality, and these patients were followed by a period of one to 109 months (medium of 43.2 months). We have observed improvement in the clinical symptoms and functional class. A new angiocardiography was performed in six patients, for angioplasty control and left ventricular (L V) function evaluation if there was an adequate anatomy on the surgical corrected site and an improvement on the L V contractility and ejection fraction. There were two late deaths. One patient died 39 of postoperative months in congestive heart failure and with angor pectoris, the other one in a car accident 109 months after the surgical correction. These results lead us to conclude that surgical angioplasty for ostium, right or left main coronary artery due to obstructive lesions, isolated or associated with other defects, is an optimal procedure to coronary revascularization.

RESUMO

No período de abril de 1980 a março de 1990, foram realizadas oito cirurgias de angioplastia de óstio e/ou tronco de coronária esquerda ou direita. Não houve mortalidade imediata e esses pacientes foram acompanhados por um período de 1-109 meses (43,2 meses). Houve melhora clínica e de classe funcional. Seis pacientes fizeram estudo cineangiográfico das coronárias e do ventrículo esquerdo, revelando uma anatomia de óstio e tronco adequada na área operada, e melhora da contratilidade do ventrículo esquerdo. Na evolução tardia houve dois óbitos. Um paciente morreu a 39 meses do pósoperatório, com insuficiência cardíaca congestiva e dor anginosa; o outro faleceu em acidente rodoviário, após 109 meses da cirurgia. Estes resultados permitem concluir que a angioplastia por lesões obstrutivas em óstio ou tronco coronário direito ou esquerdo, isoladas ou associadas a outros defeitos, é um procedimento cirúrgico com baixo risco imediato, com evolução favorável a longo prazo e que pode ser considerado como tratamento opcional para revascularizaçáo coronária.
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