Clinical study of persistent abnormal muscle response after microvascular decompression for hemifacial spasm
10.3760/cma.j.issn.1671-8925.2017.10.005
- VernacularTitle:异常肌反应在面肌痉挛微血管减压术成功减压后持续存在的原因及意义
- Author:
Chengrong JIANG
1
;
Wu XU
;
Tianyu LU
;
Yuxiang DAI
;
Chen YU
;
Hongbin NI
;
Weibang LIANG
Author Information
1. 南京大学医学院附属鼓楼医院神经外科
- Keywords:
Hemifacial spasm;
Microvascular decompression;
Abnormal muscle response
- From:
Chinese Journal of Neuromedicine
2017;16(10):994-998
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the causes of persistent abnormal muscle response (AMR) after microvascular decompression (MVD) for hemifacial spasm (HFS) and the clinical outcomes of these patients.Methods MVD was performed under intraoperative electrophysiological monitoring of AMR in 372 HFS patients in 2014.Before MVD,the characteristic AMR of HFS was recorded in 326 patients.The patients were divided into two groups based on whether AMR disappeared or persisted following MVD;21 patients showed persistent AMR after successful MVD while AMR disappeared after decompression in the other 305 patients.The clinical features,treatment efficacy and postoperative complications were compared between these two groups.Results Gender,side of depression and mean age between the two groups showed no significant differences (P＞0.05).The immediate postoperative cure rate of the AMR disappeared group (88.9％) was significantly higher than that in the AMR persisted group (28.6％,P＜0.05).The follow-up cure rate showed no significant difference between the two groups (P＞0.05),and the postoperative and follow-up complications showed no significant differences (P＞0.05).Conclusion The long duration of HFS patients may be responsible for persistent AMR after successful decompression,and it is more likely for these patients to get delayed cured;their long-term outcomes showed no difference as compared with those in patients with disappeared AMR after MVD.
