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Archivos de cardiología de México
On-line version ISSN 1665-1731Print version ISSN 1405-9940
Abstract
DIAZ-ARRIETA, Gustavo et al. Diagnosis of perioperative myocardial infarction within the first seventy-two hours after cardiac surgery. Arch. Cardiol. Méx. [online]. 2009, vol.79, n.3, pp.189-196. ISSN 1665-1731.
One of the most frequent complications of cardiac surgery is the perioperative myocardial infarction (PMI). Incidence of PMI shows a wide variation because an accurate detection of this complication is difficult in the early postoperative stage. The objectives of the present study were to determine in our population of patients the incidence of PMI during the first seventy two hours after cardiac surgery as well as associations among the accepted criteria to diagnose this complication. Patients and methods: One hundred sixty four adults patients undergoing elective cardiac surgery were studied. With baselines preoperative studies, serial electrocar-diographic, enzymatic [(determination of serum creatine kinase isoenzyme (CK-MB)] and echo-cardiographic studies were performed during the first 72 hours after cardiac surgery. Diagnosis of PMI was established with two or all the three positive criteria [electrocardiographic (ECG), enzymatic (CK-MB) and echocardiographic (ECHO)]. Results: In 24(15%) patients PMI was diagnosed. In this group 13(54%) all the three criteria were positive. In 8(33%) patients CK-MB and ECHO were positive. In 3(13%) patients CK-MB and ECG were positive. Conclusions: In our population the incidence of PMI (15%) is agree with the reported in previous studies. In most of cases of PMI all the three diagnostic criteria are positive. When diagnosis is established only with two criterial, in most of cases these are CK-MB and ECHO.
Keywords : Diagnostic; Perioperative myocardial infarction; Cardiac surgery.