Abstract
The aim of the research. Estimation of daily dynamics of the indicators variability for temporal analysis of heart rate (HRV) in patients with coronary heart disease (CHD) in the preoperative and early postoperative period of coronary artery bypass grafting (CABG). Materials and methods. Were examined 38 patients with coronary heart disease aged from 42 to 71 years old. HRV was assessed by 24-hour ECG monitoring conducted before CABG in the 1st and the 8th day after CABG. The Results. In the preoperative period in patients with ischemic heart disease was observed ratio of the temporal analysis of HRV during wakefulness and sleep, which is characteristic for healthy individuals. In the 1st and the 8th day after CABG was observed decrease in parasympathetic effects on the myocardium at night, more pronounced in patients with left ventricular aneurysm. Conclusion. The revealed changes of autonomic balance in patients with coronary artery disease may be relevant to the treatment of patients in early period after CABG.
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