الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Atherosclerosis and atherosclerotic plaque rupture are the main causes of STEMI. Inflammation plays an important role in formation of atherosclerosis and may lead to plaque rupture in the presence of several risk factors (125). The aim of this work was to study predictive value of white blood cells count to mean platelets volume ratio (WMR) in patient with ST Segment Elevation Myocardial Infarction (STEMI) undergoing Primary Percutaneous Coronary Intervention (PCI) and correlate with its predictive value on SYNTAX score. This study was conducted on a number of 100 patients of both genders (86 males and 14 females) diagnosed definitively with acute STEMI in Tanta university hospitals, Cardiovascular Department, from JUNE 2020 to DECEMBER 2022. The study cases were divided in to three groups according SYNTAX score - group I (29 patients): low SYNTAX score ≤22 - group II (45 patients): Intermediate SYNTAX score (23– 32) - group III (26 patients): High SYNTAX score (≥33) Patients in each group were compared to the other group regarding different demographic, echocardiographic and laboratory parameters. The present study revealed that STEMI patient with high syntax score had a higher ratio of WBC count to mean platelet volume. Other parameters that didn‘t show statistically significant difference between the two groups including age, sex, history of hypertension, diabetes mellitus, smoking, dyslipidemia and family history. The present study revealed a significant correlation between the WMR values and SYNTAX scores in STEMI patients. WMR can provide supportive data in predicting the severity of CAD in STEMI patients undergoing primary PCI.