kpcczКомплексные проблемы сердечно-сосудистых заболеванийComplex Issues of Cardiovascular Diseases2306-12782587-9537Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”10.17802/2306-1278-2018-7-1-56-60kpccz-394Research ArticleОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯORIGINAL STUDIESPROGNOSTIC ROLE OF EEG INDICATORS FOR CHANGES IN COGNITIVE PERFORMANCE IN PATIENTS IN THE EARLY AND LONG-TERM POSTOPERATIVE PERIODS OF CORONARY ARTERY BYPASS GRAFTINGPROGNOSTIC ROLE OF EEG INDICATORS FOR CHANGES IN COGNITIVE PERFORMANCE IN PATIENTS IN THE EARLY AND LONG-TERM POSTOPERATIVE PERIODS OF CORONARY ARTERY BYPASS GRAFTINGTarasovaI. V.TarasovaI. V.

Corresponding author: Irina V. Tarasova, taddress: Russian Federation, 650002, Kemerovo, 6, Sosnoviy blvd.

TrubnikovaO. А.TrubnikovaO. A.BarbarashO. L.BarbarashO. I.BarbarashL. S.BarbarashL. S.Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”РоссияFederal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”Russian Federation201827032018715660Copyright © Tarasova I.V., Trubnikova O.А., Barbarash O.L., Barbarash L.S., 20182018Tarasova I.V., Trubnikova O.А., Barbarash O.L., Barbarash L.S.Tarasova I.V., Trubnikova O.A., Barbarash O.I., Barbarash L.S.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.nii-kpssz.com/jour/article/view/394Aim

Aim. To study the prognostic role of background EEG activity indicators recorded in patients in the preoperative period of coronary artery bypass grafting (CABG) for the development of cognitive impairment in the early and late postoperative periods.

Methods

Methods. A total of 85 patients with coronary artery disease (CAD) who underwent CABG were included in the study. Before CABG (3-5 days) all neuropsychological testing and EEG studies were performed, at the 7-10th days and 1 year after CABG only neuropsychological testing. EEG predictors of early (n = 85) and long-term (n = 65) postoperative cognitive dysfunction were detected using the method of multiple linear regression.

Results

Results. EEG predictors of deterioration of cognitive status in the early postoperative period of CABG were basic higher values of theta-rhythm power in the posterior regions of the cortex of both hemispheres with closed and open eyes. Whereas higher preoperative parameters of beta2-rhythm biopotentials in the left frontal areas with eyes open and lower alpha-rhythm power in the left occipital parts of the cerebral cortex with eyes closed were associated with long-term postoperative cognitive dysfunction. 

Conclusion

Conclusion. associations of preoperative eeg indicators with deteriorations of cognitive status in the early and longterm postoperative periods of cabg were revealed.

Aim

Aim. To study the prognostic role of background EEG activity indicators recorded in patients in the preoperative period of coronary artery bypass grafting (CABG) for the development of cognitive impairment in the early and late postoperative periods.

Methods

Methods. A total of 85 patients with coronary artery disease (CAD) who underwent CABG were included in the study. Before CABG (3-5 days) all neuropsychological testing and EEG studies were performed, at the 7-10th days and 1 year after CABG only neuropsychological testing. EEG predictors of early (n = 85) and long-term (n = 65) postoperative cognitive dysfunction were detected using the method of multiple linear regression.

Results

Results. EEG predictors of deterioration of cognitive status in the early postoperative period of CABG were basic higher values of theta-rhythm power in the posterior regions of the cortex of both hemispheres with closed and open eyes. Whereas higher preoperative parameters of beta2-rhythm biopotentials in the left frontal areas with eyes open and lower alpha-rhythm power in the left occipital parts of the cerebral cortex with eyes closed were associated with long-term postoperative cognitive dysfunction.

Conclusion

Conclusion. associations of preoperative eeg indicators with deteriorations of cognitive status in the early and longterm postoperative periods of cabg were revealed. 

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The authors declare that there are no conflicts of interest present.