SYNTAX score effect on electroencephalography power dynamics in patients undergoing on-pump coronary artery bypass graftingReportar como inadecuado




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BMC Neuroscience

, 14:95

Neurobiology of disease

Abstract

BackgroundThe severity of angiographically assessed coronary artery disease may be the factor that influences the degree of brain damage during on-pump surgery. Modern technology such as computed electroencephalography EEG that is used to detect signs of brain damage could also be used to determine the advantages and disadvantages of various surgical myocardial revascularization methods in certain categories of patients. The present study investigated EEG power dynamics for 1 postoperative month in patients undergoing on-pump coronary artery bypass grafting CABG who were divided into two groups: those with moderate coronary lesions SYNTAX score ≤ 22, n = 12 and those with severe coronary lesions SYNTAX score ≥ 23, n = 18.

ResultsAt 7–10 days after CABG, all patients showed theta type 1 rhythm power higher than that seen preoperatively, possibly indicating that brain damage occurred during bypass. At 1 month after CABG, the theta type 1 rhythm power had decreased to the baseline level in patients with SYNTAX scores of ≤22, whereas it had increased in patients with SYNTAX scores ≥23.

ConclusionsSYNTAX scores ≥ 23 are associated with EEG markers of perioperative brain damage during CABG. Careful preoperative assessment, preparation, and more effective intraoperative brain protection are essential for this category of coronary heart disease CHD patients.

KeywordsElectroencephalography Brain damage Theta rhythm power SYNTAX score On-pump coronary artery bypass grafting AbbreviationsEEGElectroencephalography

CABGCoronary artery bypass grafting

CHDCoronary heart disease

CPBCardiopulmonary bypass

FC NYHAFunctional class of heart failure by New York Heart Association

EFEjection fraction

ICAInternal carotid artery

ECClosed eyes

EOOpen eyes.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2202-14-95 contains supplementary material, which is available to authorized users.

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Autor: Irina V Tarasova - Roman S Tarasov - Olga A Trubnikova - Olga L Barbarash - Leonid S Barbarash

Fuente: https://link.springer.com/



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