Volume 58, Issue 4 (8 2000)                   Tehran Univ Med J 2000, 58(4): 58-64 | Back to browse issues page

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Mir Khani SH, Foroozan Nia S.Kh. Determination of prevalence of perioperative myocardial infarction in 300 CABG operations in cardiovascular surgery ward of the Imam Khomeini Hospital from 15.11.1376 until 1.9.1377. Tehran Univ Med J. 2000; 58 (4) :58-64
URL: http://tumj.tums.ac.ir/article-1-1373-en.html
Abstract:   (4994 Views)
The most common cardiovascular surgery in the world and Iran as well, is CABG. One of the most important post-operative complication of this operation, that increase morbidity and mortality, is peri-operative MI. Incidence of peri-operative MI in CABG operations is between 2.5 to 5.5%. In this study we determined the prevalence and incremental risk factors of peri-operative MI in 300 consequative CABG operation, in the Imam Khomeini hospital. Diagnostic criteria for peri-operative MI were positive ECG finding (New and persistent Q.wave) and positive CPK-MB (Serum level>100 unit) at 3 different time: 1) Just before operation in the ward, 2) Just after operation in the ICU, 3) First post-operation day (At 8 A.M). In 300 patients positive ECG findings were seen in 7% (21 cases), positive CPK-MB was 12.7% (38 cases) and both of them were positive in 5% (15 cases). Therefore the prevalence of peri-operation MI was 5% (15 cases). Incremental risk factors in the patients with peri-operative MI were history of diabetes mellitus, hypertension, hyperlipidemia, left main disease, and endarterctomy. Therefore because of high incidence of peri-operative MI in CABG operation we should try to change the risk factors and decrease the prevalence of this complication.
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