Evaluating value of positive T wave in lead V۱ and TV۱ > TV۶ pattern in predicting significant coronary artery disease in patients undergoing coronary angiography

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 202

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شناسه ملی سند علمی:

JR_RYA-17-1_006

تاریخ نمایه سازی: 2 شهریور 1401

چکیده مقاله:

BACKGROUND: The aim of this study was to predict significant coronary artery disease (CAD) in patients undergoing coronary angiography.METHODS: In this cross-sectional study, data of ۳۸۴ patients who underwent angiography during ۲۰۱۵-۲۰۱۷ were reviewed. Electrocardiograms (ECGs) were evaluated in terms of having positive T wave in lead V۱ (TV۱) described as T wave with amplitude of more than ۰.۱۵ mV and angiography records were assessed for presence of significant CAD defined as presence of ≥ ۷۰% internal diameter stenosis in at least one major epicardial coronary artery or more than ۵۰% stenosis in left main artery (LMA).RESULTS: Out of ۳۸۴ patients who participated in this study with mean age of ۶۳.۶ ± ۱۰.۲ years (۴۰-۸۹ years), ۷۱.۶% showed positive TV۱ and significant CAD simultaneously and left anterior descending artery (LAD) and left circumflex artery (LCX) lesions were more frequently reported in coronary angiography. Based on chi-square test, the prevalence of significant CAD was obviously more in those with positive TV۱ as compared to those without this finding [odds ratio (OR) = ۲.۷۴, ۹۵% confidence interval (CI): ۱.۸۰-۴.۱۹, P < ۰.۰۰۱]. Mann-Whitney test showed significant difference in number of coronary arteries involved in CAD between presence of positive and negative T wave in lead V۱ (P < ۰.۰۰۱). Great number of patients with significant CAD had remarkably higher T wave amplitude in lead V۱ in comparison to lead V۶ (OR = ۶.۲۲, ۹۵% CI: ۳.۱۴-۱۲.۳۰, P < ۰.۰۰۱).CONCLUSION: Positive TV۱ and TV۱ > TV۶ pattern can be considered as a predictor forsignificant CAD in patients with otherwise normal ECG.

نویسندگان

Mohammad Hadi Mansouri

Assistant Professor, Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Hamid Sanei

Professor, Interventional Cardiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Pejman Mansouri

Resident, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran

Sahar Behnam-Roudsari

General Practitioner, Qazvin University of Medical Sciences, Qazvin, Iran

Hasan Shemirani

Professor, Heart Failure Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Reihaneh Zavar

Assistant Professor, Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

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