Aim: To study dynamics of parameters of heart rate variability (HRV) in patients with ischemic heart disease after direct myocardial revascularization.
Material And Methods: Electrocardiography (ECG), 24 hour Holter ECG with spectral and temporal analysis of 24-hour HRV, as well as echocardiography (Echo) and stress-Echo were carried out in 24 patients with ischemic heart disease before, in 2-4 weeks and 2 months after surgery. Healthy persons of the same age (n=20) were used as controls.
Results: Prior to operation HRV in all patients was lower than in controls. In 2-4 weeks after coronary artery bypass grafting (CABG) further lowering of HRV parameters occurred. In 2 months after CABG HRV parameters in patients without complications were similar to preoperative values but remained lower than in controls.
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