Ultrasound-Guided Electrodes for Conduction Studies of the Saphenous Nerve

Evangelopoulos, Maria-Eleftheria; Humpert, Sebastian; Rösler, Kai M.

doi:10.1097/wnp.0000000000000361

Cited by 7 publications

(7 citation statements)

References 20 publications

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“…11 Similar findings have also been reported with the lateral femoral cutaneous and saphenous nerves, with a greater number of responses detectable when using ultrasound-guided near-nerve techniques. 6,12 Additional investigations could be designed to examine the utility of neuromuscular ultrasound in other difficult nerve locations, such as the lateral and medial antebrachial cutaneous nerves, the phrenic nerve, and other less frequently studied nerves.…”

Section: Discussionmentioning

confidence: 99%

“…10 Although computed tomography (CT) myelography and MRI are both commonly used for preoperative imaging evaluation of brachial plexus trauma, MRI is the modality of choice for imaging the postganglionic brachial plexus. [11][12][13][14][15] Still, the postganglionic brachial plexus components can be imaged and evaluated using ultrasound (US). A number of articles have described techniques for US imaging of the brachial…”

Section: Accepted 5 March 2019mentioning

confidence: 99%

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Ultrasound guidance for sural nerve conduction studies

et al. 2019

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Introduction: Ultrasound can potentially identify nerves and guide recording and stimulating electrode placement for nerve conduction studies (NCS). This prospective study was performed to determine whether ultrasound guidance of sural NCS results in higher action potential amplitude, fewer stimuli required, lower stimulus strength required, and less pain experienced. Methods: Fourteen healthy individuals underwent bilateral sural NCS, both with and without ultrasound guidance. Studies were separated by at least 48 h, and the order of testing was randomly assigned. Results: Ultrasound guidance resulted in significantly fewer stimuli and lower stimuli strength required to obtain supramaximal responses (P < 0.01–0.03). Ultrasound guidance required significantly more time to perform than standard sural NCS (P < 0.01). There was no difference in sural nerve amplitude or pain rating between the 2 groups. Discussion: Neuromuscular ultrasound can be used effectively to guide electrode placement during sural NCS. Muscle Nerve 59:705–707, 2019

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Section: Discussionmentioning

confidence: 99%

Section: Accepted 5 March 2019mentioning

confidence: 99%

Ultrasound guidance for sural nerve conduction studies

et al. 2019

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“…22,23 In conclusion, we reported a patient with a complex medical history, in whom ultrasound visualization identified a rare anomalous course of the median nerve that led to electrodiagnostic abnormalities that caused a pseudoconduction block. This case highlights for neurologists and neuromuscular expects another example of how neuromuscular ultrasound can enhance the reliability of electrodiagnostic studies, minimize technical factors that may potentially lead to misdiagnosis, [24][25][26][27] minimize patient discomfort, and avoid more expensive radiologic testing and evaluation.…”

Section: Discussionmentioning

confidence: 99%

Variant Median Nerve Anatomy: Ultrasound Evidence of a Pseudoconduction Block

Abrams

Pedowitz²,

Simpson³

et al. 2021

Journal of Clinical Neuromuscular Disease

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Introduction:A conduction block at a noncompressible site warrants further investigation. Methods and materials:A 36-year-old woman with a history of Hodgkin lymphoma and chemotherapy-induced polyneuropathy developed bilateral hand numbness and paresthesias. Workup revealed bilateral carpal tunnel syndrome and an apparent superimposed conduction block of the median nerve in the forearm. Given the history of cancer, there was concern for an infiltrative or an immune-mediated process. Results:Neuromuscular ultrasound demonstrated that the median nerve descended the upper extremity along an atypical path, deep along the posteromedial aspect of the upper arm, and relatively medially in the forearm. Ultrasound-directed nerve stimulation revealed there was no conduction block. This anatomical variant has been rarely described and has not been reported previously to mimic conduction block or been documented via ultrasound. Conclusions:This case demonstrates that neuromuscular ultrasound may supplement the electrodiagnostic study and limit confounding technical factors because of rare anatomic variation.

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“…Precise ENMG needle placement is possible with US guidance for testing of nerves (particularly deep ones) and it is obviously superior to surface recordings of sensitive nerves [3][4][5].…”

Section: Us Contribution For Performing Enmgmentioning

confidence: 99%

Clinical Significance of Anatomic Peculiarities and Ultrasound-Guided Electromyography of the Posterior Tibial Muscle

Elleuch

Harbi

et al. 2021

Cureus

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The posterior tibial muscle (PTM) is a key muscle in diagnosing the level of the neurologic lesion that causes steppage gate that is a paralysis of nervous origin of the muscles ensuring the foot dorsiflexion.The aim of this manuscript is to illustrate the anatomical peculiarities of the PTM, the ultrasound (US) anatomy of the infero-posterior part of the leg, and the technique of US-guided electro-neuro-myography (ENMG) of the PTM, which is considered a key muscle in the diagnosis of the neurological lesion causing steppage gate.The US-guided ENMG of the PTM is technically easy and safe for young practitioners provided there is a good knowledge of US anatomy of the infero-posterior part of the leg.

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Ultrasound-Guided Electrodes for Conduction Studies of the Saphenous Nerve

Abstract: Ultrasound guidance allows precise electrode positioning for saphenous nerve electrophysiological testing. Amplitudes of the recorded sensory nerve action potentials are clearly higher with ultrasound-guided needle than with surface recordings.

Cited by 7 publications

References 20 publications

Ultrasound guidance for sural nerve conduction studies

Ultrasound guidance for sural nerve conduction studies

Variant Median Nerve Anatomy: Ultrasound Evidence of a Pseudoconduction Block

Clinical Significance of Anatomic Peculiarities and Ultrasound-Guided Electromyography of the Posterior Tibial Muscle

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