EVALUATION CARDIAC RESYNCHRONIZATION THERAPY IN PATIENTS WITH CHRONIC ISCHEMIC HEART FAILURE
https://doi.org/10.17650/1818-8338-2011-4-30-36
Abstract
Objective — studying dyssynchrony characteristics and evaluation correction effectiveness in patients with chronic heart failure (CHF) of ischemic origin.
Materials and methods. The study included 125 patients with chronic heart failure of ischemic etiology, 28 of them — with coronary heart disease (CHD) who had undergone aorto-and / or mammarokoronary bypass and / or percutaneous coronary intervention, 42 — with coronary artery disease and postinfarction cardiosclerosis, 32 — with arrhythmic variant of coronary artery disease, 23 — with stable angina without evidence of arrhythmia. Among included patients, biventricular pacemakers were implanted for 17 patients. All patients underwent echocardiography with determination of the parameters of dyssynchrony.
Results and conclusion. Among patients with CHF ischemic symptoms dyssynchrony was diagnosed in 36 (28.8 %) cases. Statistically significant association between patients with cardiac arrhythmias and dyssynchrony was determined. At the same time the incidence of dyssynchrony was not associated with various forms of ischemic heart disease, and did not depend on the anamnesis of cardiac surgery. Dependence of the frequency of occurrence of dyssynchrony on the severity of CHF was revealed. Patients selected for implantation of biventricular pacemakers, especially in view of echocardiographic signs of dyssynchrony had significant improvement after providing cardiac resynchronization therapy. Effect of the treatment does not depend on the atrial fibrillation rhythm presence.
About the Authors
A. J. Fishman
Rostov State Medical University
Center for Cardiology and Cardiovascular Surgery
Russian Federation
Russian Federation
A. I. Chesnikova
Rostov State Medical University
Center for Cardiology and Cardiovascular Surgery
Russian Federation
Russian Federation
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Review
For citations:
Fishman A.J., Chesnikova A.I. EVALUATION CARDIAC RESYNCHRONIZATION THERAPY IN PATIENTS WITH CHRONIC ISCHEMIC HEART FAILURE. The Clinician. 2011;5(4):30-36. (In Russ.) https://doi.org/10.17650/1818-8338-2011-4-30-36
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