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Association between preoperative frontal electroencephalogram alpha asymmetry and postoperative quality of recovery: an observational study

Authors
 Jayyoung Bae  ;  Jun Sung Lee  ;  Jooyoung Oh  ;  Dong Woo Han  ;  Heejae Jung  ;  Seok-Mo Kim  ;  Young Song 
Citation
 BRITISH JOURNAL OF ANAESTHESIA, Vol.130(4) : 430-438, 2023-04 
Journal Title
BRITISH JOURNAL OF ANAESTHESIA
ISSN
 0007-0912 
Issue Date
2023-04
MeSH
Anesthesia Recovery Period* ; Electroencephalography* ; Female ; Humans ; Surveys and Questionnaires ; Thyroidectomy
Keywords
alpha asymmetry ; electroencephalogram ; general anaesthesia ; quality of recovery ; thyroidectomy
Abstract
Background: Left-sided frontal alpha asymmetry on electroencephalograms, which indicates decreased relative left-hemispheric activity, has been associated with depression, anxiety, and stress responsivity. We aimed to evaluate the association between perioperative measures of frontal alpha asymmetry and quality of recovery (QoR) after surgery.

Methods: We enrolled 110 female patients undergoing thyroidectomy and recorded perioperative electroencephalograms. The power of the prefrontal alpha band (8-13 Hz) was measured in the Fp1 and Fp2 leads. Left-sided frontal alpha asymmetry was defined as a higher alpha band power in Fp1 than in Fp2 and vice versa. QoR was assessed using the QoR-15 score on the day before surgery and postoperative days 1 and 2. The primary study endpoint was a difference in postoperative global QoR-15 score between preoperative left-sided and right-sided alpha asymmetry groups. The predictability of frontal alpha asymmetry for poor QoR-15 score was also evaluated.

Results: The global QoR-15 score showed a significant group-by-time interaction, and post-hoc analysis revealed significantly lower scores on postoperative days 1 (P=0.006) and 2 (P<0.001) in the left-sided frontal alpha asymmetry group. In the multivariate logistic regression analysis, preoperative left-sided frontal alpha asymmetry was associated with a 3.3-fold increased risk of the lowest tertile for the postoperative day 1 QoR-15 score (95% CI: 1.31-8.24; P=0.011).

Conclusions: Preoperative left-sided frontal alpha asymmetry was independently associated with a lower postoperative QoR-15 score in female patients undergoing thyroidectomy, highlighting the potential role of preoperative frontal electroencephalography in predicting patient-centred outcomes after surgery.
Full Text
https://www.sciencedirect.com/science/article/pii/S000709122200664X
DOI
10.1016/j.bja.2022.12.003
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seok Mo(김석모) ORCID logo https://orcid.org/0000-0001-8070-0573
Bae, Jayyoung(배재영)
Song, Young(송영) ORCID logo https://orcid.org/0000-0003-4597-387X
Oh, Jooyoung(오주영) ORCID logo https://orcid.org/0000-0001-6721-399X
Lee, Jun Sung(이준성)
Han, Dong Woo(한동우) ORCID logo https://orcid.org/0000-0002-8757-663X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/195393
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