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[Emergency myocardial revascularization in acute evolving myocardial infarct].

Authors
Type
Published Article
Journal
Giornale italiano di cardiologia
Publication Date
Volume
17
Issue
10
Pages
846–850
Identifiers
PMID: 3436498
Source
Medline

Abstract

Immediate coronary artery bypass for acute evolving myocardial infarction could be the elective therapy if provided on useful time, because myocardial salvage can be achieved by early reperfusion. Thirty eight patients had emergency coronary artery by-pass graft for acute evolving myocardial infarction during the early phase: 35 were male, the mean age was 51 years (34 to 74). The mean interval between the onset of symptoms and surgery in this series of patients was two hours and a half. This interval seems to be also the time limit in our experience to get a partial or complete recovery of ischemic area. Four patients died in hospital, but they were in severe cardiogenic shock before emergency surgery. Twenty nine cases were free of symptoms at a mean follow-up of 18 months (6 to 36) and two suffered for residual angina. Three patients died after discharge few months later: two during redo emergency vein grafts operations, one in deep left ventricular failure, while he was waiting for heart transplant. All these patients operated on as emergency developed acute myocardial infarction during their stay in hospital waiting for catheter study, surgical operation or during percutaneous transluminal coronary angioplasty. Saphenous vein grafts, were used in twenty nine patients, left internal mammary artery in nine cases, single in four and associated to saphenous vein in five, with an average number of anastomoses of 2.6 (1 to 6) for patient. ECG was found to be normal in 76% of the patients operated on within two hours and a half from the beginning of symptoms.(ABSTRACT TRUNCATED AT 250 WORDS)

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