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Arq. bras. cardiol ; 58(5): 365-368, maio 1992. ilus
Article in Portuguese | LILACS | ID: lil-122217

ABSTRACT

Objetivo - Estudar os resultados imediatos e tardios de pacientes submetidos a trombólise com estreptoquinase intravenosa e revascularizaçäo cirúrgica do miocárdio. Métodos - Trata-se de 121 pacientes consecutivos e näo selecionados com diagnóstico de infarto agudo do miocárdio, tratados dentro de 6 horas do início dos sintomas com estreptoquinase intravenosa e 1 a 38 dias após (média de 8,80 dias) submetidos a revascularizaçäo cirúrgica do miocárdio. Em 25 pacientes näo utilizou-se o circuito extracorpóreo e 96 foram operados com a utilizaçäo deste recurso. Resultados - A mortalidade hospitalar foi de 3,30% (4/121) e, quanto à morbidade analisada em termos de sangramanto pós-operatório, houve necessidade de reoperaçäo em 3,30% (4/121). Quanto à mortalidade tardia, foi de 5,40%, com uma expectativa de vida após 36 meses de 94,60% e, após 70 meses, de 92,30%. A morbidade tardia analisada em termos de angina e insuficiência cardíaca demonstrou que sete pacientes evoluíram com a angina, quatro com insuficiência cardíaca e dois com angina e insuficiencia cardíaca; a probabilidade de näo apresentar estas complicaçöes foi, após 46 meses, de 88,20% e, após 70 meses, de 66,40%. Conclusäo - A revascularizaçäo cirúrgica do miocárdio após uso de estreptoquinase intravenosa pode ser realizada de modo seguro, apresentando resultados satisfatórios tanto a curto como a longo prazo


Purpose - To study the early and late results of patients treated initially intravenous streptokinase and then with coronary artery bypass surgery. Methods - One hundred and twenty one patients with acute myocardial infarction less than 6 hours duration were treated initially with intravenous streptokinase, and 1-38 days after (median 8.80 days) coronary artery bypass was undertaken. Ninety six patients were operated with extracorporeal circulation and 25 without Results - Overall operative mortality was 3.30% (4/121). Reoperations due to bleeding was necessary in 3.30% (4/121). Late mortality was 5.40% with survival probability of 94.60% after 36 months and 92,30% after 70 months. Late morbidity events in terms of angina and cardiac insufficiency demonstrated that 7 patients had angina, 4 cardiac insufficiency and two angina and cardiac insufficiency; probability to be free from these events was 88.20% after 46 months and 66.40% afler 70 months. Conclusion - Coronary artery bypass surgery after intravenous streptokinase can be undertaken with security and excellent early and late results


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Myocardial Infarction/therapy , Myocardial Revascularization , Thrombolytic Therapy , Streptokinase/administration & dosage , Follow-Up Studies , Injections, Intravenous , Myocardial Infarction/mortality
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