Tarasova I V, Akbirov R M, Tarasov R S, Trubnikova O A, Barbarash O L
Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russia.
Zh Nevrol Psikhiatr Im S S Korsakova. 2019;119(7):41-47. doi: 10.17116/jnevro201911907141.
To analyze the postoperative electroencephalography (EEG) power changes in patients after simultaneous coronary artery bypass grafting (CABG) and a left- or right-sided carotid endarterectomy (CEE).
Forty-four patients with indications for surgical myocardial revascularization, including 24 patients with indications for CEE, were studied. Patients after simultaneous coronary and carotid surgery were divided into groups depending on the side of CEE: the left+CEE CABG group included 14 patients, the right CEE+CABG group included 10 patients. The group of isolated CABG consisted of 20 patients. The resting-state EEG with closed eyes was recorded before and at the 7-10th day after surgery. The changes of the spectral power (μV/Hz), theta1 (4-6 Hz), theta2 (6-8 Hz), alpha1 (8-10 Hz), alpha2 (10-13 Hz) rhythms were analyzed, the hemispheric asymmetry (HA) coefficient of the rhythms was calculated.
In the early postoperative period, the power of theta1 and theta2 rhythms increased compared to the preoperative level regardless of the type of cardiosurgical intervention. A local character of postoperative theta activity changes was revealed in the left+CEE CABG group, whereas the most pronounced decrease of the alpha-rhythm HA coefficient was observed in the right CEE+CABG group at the 7-10th day after surgery in comparison to the preoperative level. The results of the study suggest that the simultaneous coronary and carotid surgery does not significantly exacerbate the severity of brain damage compared to isolated CABG.
分析同期冠状动脉旁路移植术（CABG）联合左侧或右侧颈动脉内膜切除术（CEE）患者术后的脑电图（EEG）功率变化。
研究了44例有手术心肌血运重建指征的患者，其中24例有CEE指征。同期进行冠状动脉和颈动脉手术的患者根据CEE的侧别分组：左+CEE CABG组包括14例患者，右CEE+CABG组包括10例患者。单纯CABG组由20例患者组成。在手术前及术后第7 - 10天记录闭眼静息状态下的脑电图。分析频谱功率（μV/Hz）、θ1（4 - 6Hz）、θ2（6 - 8Hz）、α1（8 - 10Hz）、α2（10 - 13Hz）节律的变化，计算各节律的半球不对称（HA）系数。
术后早期，无论心脏手术干预类型如何，θ1和θ2节律的功率均较术前水平升高。左+CEE CABG组术后θ活动变化具有局部特征，而与术前水平相比，右CEE+CABG组在术后第7 - 10天观察到α节律HA系数下降最为明显。研究结果表明，与单纯CABG相比，同期冠状动脉和颈动脉手术并未显著加重脑损伤的严重程度。
