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Angiographic examination in patients with Myocardial Infarction with and without ‎ST segment elevation


Simindokht Moshar, Mahsa Rezasoltani, Mohmmad Javad Namazi ‎

Abstract

Introduction: Identifying the risk factors for myocardial infarction and determining the ‎relationship between these factors and severity and location of coronary artery disease can ‎help physicians to make diagnostic and therapeutic decisions, while providing a suitable ‎context for effective action to modify risk factors in the society. ‎Background and Method: In this cross-sectional study, 384 patients with myocardial ‎infarction with and without ST elevation admitted to Bouali Hospital during 2016 and 2017 ‎were studied. Demographic data and findings in the angiography including the number of ‎vessels and the type of coronary artery involved were studied. Then, the risk factors and ‎angiographic and demographic characteristics of STEMI and NSTEMI people were determined ‎and compared with each other. ‎Results: 85.5% of the STEMI cases had involvement of one vessel and 52.1% of NSTEMI cases ‎had involvement of two vessels. According to results of Chi-square and Cramer test, these ‎differences are significant. Most STEMI cases had RCA involvement (38.3%) and LCX ‎involvement (29%). However, NSTEMI cases mostly had RCA+LCX (36.2%) and ‎LAD+RCA+LCX (21.3%) involvement. According to statistical tests, these differences are ‎significant (P-value=0.000, vi Cramer=0.524). Both groups of patients with myocardial ‎infarction were over 55 years of age and men. However, the number of NSTEMI cases with BMI ‎higher than the normal range was significantly more than STEMI cases. ‎Discussion and Conclusion: The prevalence of multiple vessel involvement of RCA and LCX is ‎higher in NSTEMI cases than STEMI cases‎.




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