Scheidegger Olivier, Kihm Christina, Kamm Christian Philipp, Rösler Kai Michael
Department of Neurology, Inselspital, Bern University Hospital and University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.
Muscle Nerve. 2016 Nov;54(5):879-882. doi: 10.1002/mus.25133. Epub 2016 Jun 14.
The aim of this study was to compare results of orthodromic sural nerve conduction studies (NCS) using ultrasound-guided needle positioning (USNP) to those of surface electrode recordings.
Fifty-one healthy subjects, aged 24-80 years, divided into 5 age groups, were examined. Electrical stimuli were applied behind the lateral malleolus. Sensory nerve action potentials (SNAPs) were recorded 8 and 15 cm proximally with surface and needle electrodes.
Mean SNAP amplitudes (surface / needle electrodes) averaged 12.7 (SD 7.6) μV / 40.6 (SD 20.8) μV (P < 0.001) for subjects aged 20-29 years, and 5.0 (SD 2.4) μV / 19.8 (SD 9.8) μV (P < 0.01) for subjects >60 years of age. SNAP amplitudes were smaller at the proximal recording location.
NCS using USNP yield higher amplitude responses than surface electrodes in all age groups at all recording sites. SNAP amplitudes are smaller at proximal recording locations due to sural nerve branching. Muscle Nerve 54: 879-882, 2016.
本研究旨在比较使用超声引导针定位（USNP）进行的顺行腓肠神经传导研究（NCS）结果与表面电极记录结果。
对51名年龄在24 - 80岁之间、分为5个年龄组的健康受试者进行检查。在踝关节外侧后方施加电刺激。分别使用表面电极和针电极在近端8厘米和15厘米处记录感觉神经动作电位（SNAPs）。
20 - 29岁受试者的平均SNAP波幅（表面电极/针电极）分别为12.7（标准差7.6）μV / 40.6（标准差20.8）μV（P < 0.001），60岁以上受试者为5.0（标准差2.4）μV / 19.8（标准差9.8）μV（P < 0.01）。近端记录位置的SNAP波幅较小。
在所有年龄组的所有记录部位，使用USNP进行的NCS比表面电极产生更高的波幅反应。由于腓肠神经分支，近端记录位置的SNAP波幅较小。《肌肉与神经》54: 879 - 882, 2016年。
