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Abstract
Background: Obesity is recognized as a traditional risk factor for coronary artery disease, some studies revealed that obese patients with ST segment elevation myocardial infraction and undergoing primary PCI may have a better outcome {u2013} what is called the (obesity paradox). By contrast, these data were not supported by other studies generating considerable debate. Aim: Is to study obese patients undergoing primary PCI trying to detect peculiar procedural and in-hospital outcomes. Methods:We evaluated 100 patients admitted to the coronary care units of National Heart Institute who were diagnosed as ST elevation myocardial infraction (STEMI) and treated with primary PCI. Patients were categorized by body mass index (BMI) according to WHO criteria into obese group (BMI {u2265} 30 Kg/m2) (n=50) and non-obese group (BMI < 30) (n=50). Results:Obese group had higher prevalence of diabetes, dyslipidemia and family history of premature CAD with higher inflammatory reaction and larger infract size (higher levels of C - reactive protein and CK- MB). There was no significant difference between the two groups regarding PCI outcome and in-hospital complications, expect higher incidence of vascular complications (e.g. hematoma) and prolonged in hospital stay in obese group