Abstract
Objective: The aim of our study is to investigate the impact of cardiac rehabilitation on left ventricular (LV) diastolic function in acute
 coronary syndrome (ACS) patients.
 Patients and Methods: Patients were selected consecutively among ACS patients who underwent primary percutaneous intervention
 and were found eligible for cardiac rehabilitation program from May 2014 to May 2015. Forty-four patients were included in cardiac
 rehabilitation group and recruited to 30 sessions of Phase-3 cardiac rehabilitation program six weeks after discharge. Twenty
 consecutive patients were included as control group. LV diastolic functions were assessed by resting and stress echocardiography.
 Results: There were not any significant differences in characteristics between the groups. Resting and stress E velocities and resting
 lateral e’ velocity significantly increased after rehabilitation program. Left atrial volume index, resting and stress A velocities and
 average E/e’ ratios were significantly lower while stress lateral e’ velocity was significantly higher in rehabilitation group after program
 compared to controls. The number of patients with diastolic dysfunction decreased after rehabilitation program. Final resting and
 stress echocardiography revealed significantly lower frequency of diastolic dysfunction in rehabilitation group.
 Conclusion: Cardiac rehabilitation improves diastolic functions in ACS patients, which may be detected by stress echocardiography.
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