表面肌电信号分析腰椎滑脱术后椎旁肌功能  

Analysis of Paraspinal Muscle Function after Lumbar Spondylolisthesis Surgery by Surface Electromy ography

作　　者：张晓 唐娟[2] 贾云超 阮智[1] ZHANG Xiao;TANG Juan;JIA Yunchao(Department of Spinal Surgery and Neurology,The First Affiliated Hospital of Shihezi Universily,Xinjiang 832008,China)

机构地区：[1]石河子大学第一附属医院脊柱外科,832008 [2]石河子大学第一附属医院神经内科,832008

出　　处：《医学研究杂志》2023年第8期84-87,共4页Journal of Medical Research

基　　金：国家自然科学基金资助项目(82060410)。

摘　　要：目的探讨表面肌电图(surface electromyography,sEMG)检测退行性腰椎滑脱(degenerative lumbar spondylolisthe-sis,DLS)患者行后路腰椎椎间融合术(posterior lumbar interbody fusion,PLIF)后椎旁肌功能的变化。方法采用前瞻性研究方法,选取43例符合标准的患者设为DLS组,40例健康同龄人为对照组。测定患者术前和术后3个月椎旁肌的均方根(rootmean square,RMS)及中位频率(median frequency,MF)变化,并与对照组比较。结果在保持静止站立状态时,DLS组术后椎旁肌RMS值显著低于术前(P<0.05),术前显著高于对照组(P<0.05),术后低于对照组,但差异无统计学意义(P>0.05)。在抬物伸展动作中,DLS组术前椎旁肌的RMS值明显高于术后(P<0.05),术前与对照组无显著变化(P>0.05);但术后显著低于对照组(P<0.05)。在抬物保持过程中,DLS组术前椎旁肌MF值显著低于对照组(P<0.05),术后显著高于术前(P<0.05);且术后显著低于对照组(P<0.05)。结论DLS患者存在明显腰椎旁肌无力及疲劳状况,sEMG分析结果显示,手术显著改善了患者椎旁肌功能。Objective To investigate the changes of paraspinal muscle function after posterior lumbar interbody fusion(PLIF)in patients with degenerative lumbar spondylolisthesis(DLS)by surface electromyography(sEMG).Methods A prospective study was done to have 43 eligible patients in the DLS group and 40healthy peers in the control group.The changes in root mean square(RMS)and median frequency(MF)of paraspinal muscle were measured before and 3months after surgery,and compared with the control group.Results When standing still,the postoperative RMS value of paraspinal muscle in the DLS group was significantly lower than that before preoperation(P<0.05),significantly higher than that in the control group before surgery(P<0.05),and lower than that in the control group after surgery,but the difference was not statistically significant(P>0.05).In the stretching action,the preoperation RMS value of paraspinal muscle in the DLS group was significantly higher than that of postoperation(P<0.05),but there was no significant change before surgery compared with the control group(P>0.05).However,it was significantly lower than the control group after surgery(P<0.05).During lifting and maintaining the action,the MF value of paraspinal muscle in the DLS group before surgery was significantly lower than that in the control group(P<0.05),and postoperative was significantly higher than preoperative(P<0.05);it was significantly lower than the control group after surgery(P<0.05).Conclusion Patients with DLS had significant paraspinal muscular weakness and tiredness,and sEMG analysis showed that the operation significantly improved the paraspinal muscle function of patient.

关 键 词：退行性腰椎滑脱 后路腰椎椎间融合术 表面肌电图 椎旁肌神经肌肉功能 

分 类 号：R681[医药卫生—骨科学]