Authors
Shevchenko Yu.L., Ermakov D.Yu.
St. George thoracic and cardiovascular surgery clinic Pirogov National Medical and Surgical Center, Moscow
Abstract
The aim of this study was to compare the sensitivity of ECG from the coronary sinus and standard surface ECG in verifying myocardial ischemia during interventions on coronary arteries.
The prospective study included 157 patients with coronary artery disease who, during coronary intervention, were monitored for ischemia using both an ECG from the coronary sinus and the traditional ECG technique with 3 standard and 3 enhanced leads. Analysis of the intracardiac ECG was performed using a WorkMate electrophysiological station (SJM), while analysis of the standard ECG was performed using a Datex-Ohmeda Cardiocap / 5 (GE) monitor.
The integral sensitivity of the surface ECG and the ECG from the coronary sinus to myocardial ischemia, without taking the stage of coronary intervention and the part of the coronary bed into account, was 32.4% and 84%, respectively.
The ECG from the coronary sinus method is more sensitive in relation to myocardial ischemia in comparison with the superficial standard ECG technique in the process of percutaneous coronary intervention.
Keywords: heart disease (CHD), ECG, intracardiac ECG, ischemia monitoring.
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