Optimal Stimulation Site for Deep Peroneal Motor Nerve Conduction Study Around the Ankle: Cadaveric Study
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초록
Objective To identify the optimal distal stimulation point for conventional deep peroneal motor nerve (DPN)conduction studies by a cadaveric dissection study. Method DPN was examined in 30 ankles from 20 cadavers. The distance from the DPN to the tibialis anterior (TA) tendon was estimated at a point 8 cm proximal to the extensor digitorum brevis (EDB) muscle. Relationships between the DPN and tendons including TA, extensor hallucis longus (EHL), and extensor digitorum longus (EDL)tendons were established. Results Th e median distance from the DPN to the TA tendon in all 30 cadaver ankles was 10 mm (range, 1-21 mm)at a point 8 cm proximal to the EDB muscle. Th e DPN was situated between EHL and EDL tendons in 18 cases (60%),between TA and EHL tendons in nine cases (30%), and lateral to the EDL tendon in three cases (10%). Conclusion Th e optimal distal stimulation point for the DPN conduction study was approximately 1 cm lateral to the TA tendon at the level of 8 cm proximal to the active electrode. Th e distal stimulation site for the DPN should be reconsidered in cases with a weaker distal response but without an accessory peroneal nerve.
Abstract
Objective To identify the optimal distal stimulation point for conventional deep peroneal motor nerve (DPN)conduction studies by a cadaveric dissection study. Method DPN was examined in 30 ankles from 20 cadavers. The distance from the DPN to the tibialis anterior (TA) tendon was estimated at a point 8 cm proximal to the extensor digitorum brevis (EDB) muscle. Relationships between the DPN and tendons including TA, extensor hallucis longus (EHL), and extensor digitorum longus (EDL)tendons were established. Results Th e median distance from the DPN to the TA tendon in all 30 cadaver ankles was 10 mm (range, 1-21 mm)at a point 8 cm proximal to the EDB muscle. Th e DPN was situated between EHL and EDL tendons in 18 cases (60%),between TA and EHL tendons in nine cases (30%), and lateral to the EDL tendon in three cases (10%). Conclusion Th e optimal distal stimulation point for the DPN conduction study was approximately 1 cm lateral to the TA tendon at the level of 8 cm proximal to the active electrode. Th e distal stimulation site for the DPN should be reconsidered in cases with a weaker distal response but without an accessory peroneal nerve.
참고문헌 (10)
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