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ORIGINAL ARTICLE

Myocardial revascularization surgery through left anterolateral minithoracotomy

J. Glauco Lobo FilhoI; Francisco M. de OliveiraI; Ciro CiarlineI; J. Acácio FeitosaI; Ana Virginia RolimI; J Erirtônio FaçanhaI; Roberto A. C. de M LoboI; M. Chirstian B. R DantasI; Ricardo de Carvalho LimaII; Mozart A. S. de EscobarII; José Teles de MendonçaIII; José Wanderley NetoIV

DOI: 10.1590/S0102-76381996000300002

ABSTRACT

Between October 1995 and February 1996, sixteen patients were selected to undergo to surgical myocardial revascularization through left anterolateral minithoracotomy. The left internal thoracic artery was dissected in all patients, for consecutive anastomosis with interventricular anterior artery, without using extracorporeal circulation. Patients age ranged from 43 to 77, average 60 years. Sixty-two percent of them were men. There were no complications such as: acute myocardial infarction, mediastinitis, acute renal failure, hemorrhagy or stroke. There were no deaths. Four (25%) patients were submitted to cardiac catheterization that showed patency of grafts and grafted native arteries. Due to excellent initial results, the authors believe that this technique can be employed with greater frequency and that its use can be extended to the treatment of diagonal branches of the interventricular anterior artery and marginal branches of the circunflex, as soon as the surgical teams become more familiarized with it.

RESUMO

No período de outubro de 1995 a fevereiro de 1996, 16 pacientes selecionados foram submetidos a cirurgia de revascularização do miocárdio através de minitoracotomia ântero-lateral esquerda. Em todos os casos a artéria torácica interna esquerda foi dissecada, para posterior anastomose com o ramo interventricular anterior (RIA) sem a utilização de circulação extracorpórea. A idade variou de 43 a 77, com média de 60 anos. Sessenta e dois por cento dos pacientes eram do sexo masculino. Não houve complicações tais como: hemorragias, acidente vascular cerebral, insuficiência renal aguda, mediastinite ou infarto agudo do miocárdio. Não houve mortalidade no grupo em questão. Em 4 (25%) pacientes foi realizado estudo hemodinâmico, que demostrou uma normalidade da anastomose da artéria torácica interna para o ramo interventricular anterior. Devido aos excelentes resultados iniciais, acreditamos que este procedimento possa ser empregado com maior freqüência e com a familiarização dos grupos cirúrgicos, e que as artérias diagonais e marginais da circunflexa possam ser beneficiadas com este tipo de procedimento.
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