Advanced Biomedical Research

Study of the possible medical and medication explanatory factors of angiographic outcomes in patients with acute ST elevation myocardial infarction undergoing primary percutaneous intervention

Authors

1 Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti ; Students Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 Department of Clinical Pharmacy, Faculty of Pharmacy; Department of cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran

3 Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti, Shahid Beheshti University of Medical Sciences, Tehran, Iran

4 Kermanshah University of Medical Sciences, Kermanshah, Iran

5 Department of cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran

6 Department of pharmacology, Applid Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

7 Department of Radiology, Tabriz University of Medical Science, Tabriz, Iran

Abstract

Background: Myocardial blush grade (MBG), thrombolysis in myocardial infarction (TIMI) and corrected TIMI frame count (cT F C) are indices of successful angiographic reperfusion. This study sought to determine the predictors of angiographically successful reperfusion including demographic, clinical and angiographic factors in patients with ST elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI).
Materials and Methods: A cross-sectional study of patients with a confirmed diagnosis of STEMI undergoing pPCI was designed. Eligible patients referring to a university heart center were enrolled in the study from March 2012 to December 2012. Successful epicardial reperfusion was defned as TIMI flow grade 3 or cTFC<= 28 frames and successful myocardial reperfusion as MBG 2 or 3.
Results: The study population consisted of 100 patients, including 74 males and 26 females, with mean ± standard deviation age of 58.27 ± 11.60 years. Achieving open microvasculature (MBG 2/3) was positively associated with a history of nitrate intake (P = 0.03) and history of calcium channel blocker (CCB) intake (P = 0.005). Hyperglycemia was inversely associated with achieving a final cTFC ≤ 28 frames (r = −0.32, P = 0.001).
Conclusions: Our findings suggest that patients with a history of nitrate and CCB intake had a higher likelihood of successful PCI. In addition, patients with a higher blood glucose level on admission may have a reduced rate of reperfusion success. Future studies with a larger sample size are recommended to investigate the significant relationships observed in this study.

Keywords

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Advanced Biomedical Research
Volume 2014, september
September 2014
Pages 1-6