Focal Peripheral Neuropathies

Dumitru, Daniel; Zwarts, Machiel J.

doi:10.1016/b978-1-56053-433-4.50032-8

Cited by 48 publications

(40 citation statements)

References 638 publications

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“…Mild CTS was defined electrophysiologically as sensory latency of longer than 3.6 ms with normal motor latency (≤4.2 ms) . Moderate CTS was defined clinically as diurnal and nocturnal paresthesia without evidence of atrophy and weakness in thenar muscles and electrophysiologically as sensory latency of longer than 3.6 ms and prolonged motor latency (4.3‐6 ms) …”

Section: Methodsmentioning

confidence: 99%

Randomized controlled trial of local progesterone vs corticosteroid injection for carpal tunnel syndrome

et al. 2017

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Section: Methodsmentioning

confidence: 99%

Randomized controlled trial of local progesterone vs corticosteroid injection for carpal tunnel syndrome

et al. 2017

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“…Kothari et al (12) found that motor NCS of the FDI and ADM were abnormal in 81% and 71% of patients, respectively. Caliandro et al (2) showed that FDI-innervated ulnar fibres have a higher susceptibility to damage than those of the ADM and reported sensitivity and specificity rates of 58% and100%, respectively, between the NCVs of both the FDI and ADM. Other studies have made similar findings (9,13). Another study has suggested that recording from the FDI was not routinely indicated and that ADM recordings were sufficient for the diagnosis of UNE (5).…”

Section: The Extremely Low Agreement Between Clinical Pre-diagnosis Amentioning

confidence: 66%

“…Sensitivity rates have been reported between 37% and 86% and specificity starting at 95% (2). However, motor NCS tests have shown different sensitivities and specificities in the literature (2,4,5,9,12,13,14). Some studies have reported that ENMG of the FDI is more sensitive, others have suggested that ADM recordings alone are adequate and yet others advocate taking both recordings.…”

Section: Introductionmentioning

confidence: 99%

Determining the Sensitivity and Specificity of Electroneuromyographic Tests in Patients with the Prediagnosis of Ulnar Neuropathy at the Elbow

Analan¹,

Leblebici²

2016

West Indian Med J

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Objective: The present study aimed to assess the sensitivity and specificity of nerve conduction studies (NCS) in patients pre-diagnosed with ulnar neuropathy at the elbow (UNE).Method: This study assessed 166 extremities of 124 patients (68females, 56males) using electroneuromyographic (ENMG) testing. Nerve conduction velocity (NCV), sensory nerve action potential (SNAP) amplitudes, and compound motor action potential (CMAP) amplitudes were obtained by stimulating the ADM and FDI muscles. Patients were divided into two groups based on diagnosis made after ENMG testing; the UNE group (11 patients) and the non-UNE group (114extremities of 84 patients).The remaining 41 extremities (15 females and14 males) with non-UNE ENMG pathologies were excluded from the data set.Sensitivity and specificity values of the motor nerve conduction studies at the abductor digiti minimi(ADM) and first dorsal interosseous (FDI) muscles were determined. NCV of the forearm segment of the ulnar nerve was subtracted mathematically from the NCV of the elbow segment to determine the effectiveness of the forearmelbow inter-segmental velocity difference (FIVD)for the diagnosis of UNE.Result: Agreement between the pre-diagnosis and the electrophysiological diagnosis of UNE was 6.7%. Ulnar CMAP amplitudes of the ADM at the elbow segment and SNAP amplitudes at the elbow segment were similar (p>0.05).Reduced CMAP amplitude had 100% sensitivity and specificity. Sensitivity and specificity rates for NCV from the FDI were 99.1% and 81.8%, respectively, and 98.2% and 90.9%, respectively from the ADM.Sensorial, ADM and FDI FIVD sensitivity rates were 81.8%, 81.8%, and 72.7%, respectively, and specificity rates were 86.8%, 78.1%, and 90.2%, respectively. Conclusion:Agreement between clinical pre-diagnosis and ENMG diagnosis of UNE was very low. However, the determination of reduced amplitude and NCV in the elbow segment of the ulnar nerve using ENMG had high sensitivity and specificity. In such patients, FIVD may be useful in diagnosing UNE. Keywords:Elektroneuromyography, sensitivity and specificity, ulnar neuropathy at the elbow _____________________________________________________________________________________ From:

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“…After piercing the crural fascia at the lower third of the lower leg, this nerve is usually divided into the medial dorsal cutaneous nerve (MDCN) and intermediate dorsal cutaneous nerve (IDCN), supplying sensation to the dorsum of the foot [1]. This nerve can be injured as a result of trauma, lipoma, ankle sprain, and muscle herniation through the fascial defect as well as from ankle arthroscopies [2].…”

Section: Introductionmentioning

confidence: 99%

Neuroma of Medial Dorsal Cutaneous Nerve of Superficial Peroneal Nerve After Ankle Arthroscopy

Shim

Lee

Han

et al. 2014

PM&R

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Superficial peroneal neuropathy is a known complication of foot and ankle arthroscopy. A 27-year-old man developed pain and paresthesia on the medial side of the dorsum of his left foot after ankle arthroscopy. An electrodiagnostic study revealed conduction abnormality in the medial branch of superficial peroneal nerve, in which neuroma-in-continuity was subsequently detected by ultrasonography. After neuroma excision and nerve graft, the subject's neuropathic pain was substantially improved.

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Focal Peripheral Neuropathies

Cited by 48 publications

References 638 publications

Randomized controlled trial of local progesterone vs corticosteroid injection for carpal tunnel syndrome

Randomized controlled trial of local progesterone vs corticosteroid injection for carpal tunnel syndrome

Determining the Sensitivity and Specificity of Electroneuromyographic Tests in Patients with the Prediagnosis of Ulnar Neuropathy at the Elbow

Neuroma of Medial Dorsal Cutaneous Nerve of Superficial Peroneal Nerve After Ankle Arthroscopy

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