Coronary Artery Lesions during Coronary Angiography in Acute ST-Segment Elevation Myocardial Infarction with and without Reciprocal Changes

Ibrahim Bilal  Wahhab; Mohammed Youns  Qader; Mohammed Hasan Alwan

doi:10.56056/amj.2018.66

Authors

Ibrahim Bilal Wahhab Lecturer in Department of Medicine College of Medicine, Interventional cardiologist at Erbil Cardiac Center
Mohammed Youns Qader Physician at KRG/ministry of health Trainee in interventional cardiology Erbil Cardiac Center
Mohammed Hasan Alwan Ass. Prof. in Department of Medicine College of Medicine, Interventional cardiologist in Erbil Cardiac Center

DOI:

https://doi.org/10.56056/amj.2018.66

Keywords:

Coronary angiography, Reciprocal ST segment depression, ST segment elevation myocardial infarction

Abstract

Background and objectives: ST segment elevation myocardial infarction is one of the most common causes of death worldwide. This study tries to clarify the role of reciprocal changes in the possibility of having more than one coronary artery occlusion.

Methods:The study is a prospective case control study and the data are collected from January 2017 till January 2018. The total number of participants in this study was 144 cases of acute ST segment elevation myocardial infarction randomly taken from emergency department of cardiac center in Erbil city. All of them underwent coronary angiography, comparison of coronary artery finding made between those with reciprocal changes on electrocardiography 72 cases and the others without reciprocal changes 72 cases. Chi-square test was used for data analysis and interpretation.

Results: The mean age of participants were 57.5 years. 35 out of 144 were female and 109 out of 144 were male. Out of 72 case with reciprocal ST segment depression 63 (87.5%) had more than one blood vessel with critical lesion, while 9 out of 72 (12.5%) had single blood vessel with critical lesion. On the other hand 40% of patients without reciprocal ST depression had more than one artery involved and the remainder 60% had single blood vessel involved and this difference was statistically significant.

Conclusions:Reciprocal ST segment depression in acute ST segment elevation myocardial infarction signifies the presence of multiple vessel occlusion rather than simple electrical phenomenon.

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