RIGHT VENTRICULAR AFFECTION IN PATIENTS WITH ACUTE ST-SEGMENT ELEVATION MYOCARDIAL INFARCTION: CARDIAC MAGNETIC RESONANCE FEATURE TRACKING STUDY

Document Type : Preliminary preprint short reports of original research

Authors

1 Radiodiagnosis and Intervention, Medicine, Alexandria, Alexandria, Egypt

2 Department of Radiodiagnosis and Intervention, Faculty of Medicine - Alexandria University

3 Department of Cardiology and Angiology, Faculty of Medicine, University of Tanta

4 Department of Radiodiagnosis and Intervention, Faculty of Medicine, Alexandria University

Abstract

Introduction
Right ventricular involvement in ST- segment elevation myocardial infarction (STEMI) patients can significantly influence their clinical outcomes, yet its impact is often under-recognized and its detection and its clinical implications are often underexplored.
Compared to other imaging modalities, cardiac magnetic resonance imaging (CMR) has the advantage of providing both functional assessment and tissue characterization in a single examination, all without the use of ionizing radiation.

Recently, CMR strain analysis has emerged as a more objective, quantitative tool for assessing both global and regional cardiac function. Unlike ejection fraction, which is influenced by loading conditions, strain analysis directly evaluates myocardial fiber deformation, offering a clearer and more accurate assessment of myocardial performance and health.
Aim
The aim of this study was to assess the right ventricular affection in acute ST-segment elevation myocardial infarction (STEMI) patients using cardiovascular magnetic resonance imaging (CMR) derived myocardial feature-tracking (FT).

PATIENTS:
The study was carried on acute STEMI patients treated by primary percutaneous coronary intervention (PPCI) and examined by CMR.
METHODS:
All patients were subjected to:
• Full history taking including personal data: age at diagnosis of STEMI, detailed cardiovascular disease risk factor assessment, detailed history of chest pain, status of hemodynamic stability, detailed history about the PCI and any major post-procedural hemodynamic or electrical instability.
• Imaging investigations: Cardiac MRI was performed to all patients recently after PPCI. All patients were given intravenous Gadolinium at a dose of 0.3 ml per kilogram.

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