Correlation between Heart Rate Recovery & Global Longitudinal Strain in Heart Failure Patients Subjected to Cardiac Rehabilitation

Abstract

ardiac rehabilitation is a medically supervised program designed to improve cardiovascular outcomes after MI, heart failure, angioplasty, or heart surgery. It is a complex intervention that involves a variety of therapies, including supervised exercise training, health education and risk factor modification, behavior change, social and psychological support. Cardiac rehabilitation is a class I recommendation in most of the current guidelines of cardiovascular societies worldwide. Aim of the work is to study the correlation between heart rate recovery & global longitudinal strain in heart failure patients subjected to cardiac rehabilitation. This study was conducted in the cardiac rehabilitation (CR) unit in the cardiology department of Ain Shams University hospital between December 2019 and December 2020 to investigate the correlation between heart rate recovery & global longitudinal strain in heart failure patients subjected to cardiac rehabilitation. The study included 50 adult ischemic cardiomyopathy patients on optimal medical therapy. Modified Bruce symptom-limited exercise test was done to each patient before CR then CR program for three months two times per week 30 minutes each; then, modified Bruce exercise test was done after