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A simple test to assist with the diagnosis of common fibular nerve entrapment and predict outcomes of surgical decompression.
Acta Neurochir (Wien). 2020 06; 162(6):1439-1444.AN

Abstract

BACKGROUND

Common fibular (peroneal) nerve (CFN) entrapment is the most frequent nerve entrapment in the lower extremity. It can cause pain, sensory abnormalities, and reduced ability to dorsiflex the foot or a drop foot. A simple test to assist with diagnosis of CFN entrapment is described as an adjunctive clinical tool for the diagnosis of CFN entrapment and also as a predictor of successful surgical decompression of a CFN entrapment.

METHODS

The test, a lidocaine injection into the peroneus longus muscle at the site of a common fibular nerve entrapment, was studied retrospectively in 21 patients who presented with a clinical suspicion of CFN entrapment. Patients ages ranged from 17 to 71 (mean 48.5).

RESULTS

The lidocaine injection test (LIT) was positive in 19 patients, and of these, 17 underwent surgical decompression and subsequently experienced improved ability to dorsiflex their foot and reduced sensory abnormalities.

CONCLUSION

The LIT is a simple, safe adjunctive test to help diagnose and also predict a successful outcome of surgical decompression of a CFN entrapment. The proposed mechanism of action of the LIT could lead to new, non-surgical treatments for CFN entrapment.

Links

Publisher Full Text

Authors+Show Affiliations

Nirenberg MS
Friendly Foot Care, PC, 50 W. 94th Place, Crown Point, IN, 46307, USA. info@FriendlyFootCare.com.

MeSH

AdultDecompression, SurgicalFemaleHumansHypesthesiaMaleMiddle AgedPeroneal NervePeroneal NeuropathiesPostoperative Complications

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32328792

Clinical Trial Links

Follow-up and Outcome of Operative Treatment With Decompressive Release Of The Peroneal Nerve

Citation

Nirenberg, Michael S.. "A Simple Test to Assist With the Diagnosis of Common Fibular Nerve Entrapment and Predict Outcomes of Surgical Decompression." Acta Neurochirurgica, vol. 162, no. 6, 2020, pp. 1439-1444.
Nirenberg MS. A simple test to assist with the diagnosis of common fibular nerve entrapment and predict outcomes of surgical decompression. Acta Neurochir (Wien). 2020;162(6):1439-1444.
Nirenberg, M. S. (2020). A simple test to assist with the diagnosis of common fibular nerve entrapment and predict outcomes of surgical decompression. Acta Neurochirurgica, 162(6), 1439-1444. https://doi.org/10.1007/s00701-020-04344-3
Nirenberg MS. A Simple Test to Assist With the Diagnosis of Common Fibular Nerve Entrapment and Predict Outcomes of Surgical Decompression. Acta Neurochir (Wien). 2020;162(6):1439-1444. PubMed PMID: 32328792.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A simple test to assist with the diagnosis of common fibular nerve entrapment and predict outcomes of surgical decompression. A1 - Nirenberg,Michael S, Y1 - 2020/04/23/ PY - 2020/02/06/received PY - 2020/04/09/accepted PY - 2020/4/25/pubmed PY - 2020/12/29/medline PY - 2020/4/25/entrez KW - Common fibular nerve KW - Common fibular nerve decompression KW - Common peroneal nerve KW - Common peroneal nerve decompression KW - Common peroneal nerve entrapment KW - Drop foot SP - 1439 EP - 1444 JF - Acta neurochirurgica JO - Acta Neurochir (Wien) VL - 162 IS - 6 N2 - BACKGROUND: Common fibular (peroneal) nerve (CFN) entrapment is the most frequent nerve entrapment in the lower extremity. It can cause pain, sensory abnormalities, and reduced ability to dorsiflex the foot or a drop foot. A simple test to assist with diagnosis of CFN entrapment is described as an adjunctive clinical tool for the diagnosis of CFN entrapment and also as a predictor of successful surgical decompression of a CFN entrapment. METHODS: The test, a lidocaine injection into the peroneus longus muscle at the site of a common fibular nerve entrapment, was studied retrospectively in 21 patients who presented with a clinical suspicion of CFN entrapment. Patients ages ranged from 17 to 71 (mean 48.5). RESULTS: The lidocaine injection test (LIT) was positive in 19 patients, and of these, 17 underwent surgical decompression and subsequently experienced improved ability to dorsiflex their foot and reduced sensory abnormalities. CONCLUSION: The LIT is a simple, safe adjunctive test to help diagnose and also predict a successful outcome of surgical decompression of a CFN entrapment. The proposed mechanism of action of the LIT could lead to new, non-surgical treatments for CFN entrapment. SN - 0942-0940 UR - https://www.unboundmedicine.com/medline/citation/32328792/A_simple_test_to_assist_with_the_diagnosis_of_common_fibular_nerve_entrapment_and_predict_outcomes_of_surgical_decompression_ L2 - https://dx.doi.org/10.1007/s00701-020-04344-3 DB - PRIME DP - Unbound Medicine ER -