Saratov JOURNAL of Medical and Scientific Research

Comparative evaluation of autonomic regulation of circulation in patients undergone coronary artery bypass grafting or correction of acquired valvular heart disease

Year: 2018, volume 14 Issue: №1 Pages: 45-49
Heading: Internal Diseases Article type: Short message
Authors: Kiselev A.R., Vulf K.A., Shvartz V.A., Karavaev A.S., Borovkova E.l., Bockeria O.L.
Organization: Bakulev Center of Cardiovascular Surgery, Saratov State Medical University n.a. V.I. Razumovsky Research Institute of Cardiology, Saratov state university
Summary:

The aim of the research was to study the peculiarities of vegetative regulation of blood circulation in cardiac surgery patients who underwent coronary artery bypass grafting (CABG) or correction of acquired valvular heart disease (CAVHD). Material and Methods. In this study we included 42 patients (12 women; 63 (57; 67) years), who underwent CABG, and 36 patients (16 women; 58 (47; 65) years) who underwent CAVHD. The synchronous 15 minutes records of electrocardiogram and photoplethysmogram (PPG) were performed in all patients before and after surgery. Time domain and frequency domain measures of heart rate variability (HRV) and index of synchronization between low-frequency (LF) oscillations in HRV and PPG (index S) were analyzed. Results. Most studied autonomic indices did not have statistically significant differences between patients with CABG and CAVHD in the study stages, except for heart rate, which was higher in patients before CAVHD (p=0,013). Conclusion. The values of HRV and index S do not depend on the difference in the clinical status and the features of performed cardiac surgical interventions between patients with CABG and CAVHD.

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