Sensory deficits after a radial nerve injury

Jayme Augusto Bertelli, Erica Cavalli, Vera Lúcia Mendes Lehn, Marcos Flávio Ghizoni

Research output: Contribution to journalArticle

Abstract

Background: The aim of our study was to objectively test sensibility on the dorsal side of the hand in patients with radial nerve injury, to document deficits and to detect if surgery for sensory reconstruction is needed. Methods: Nineteen patients of mean age 31 ± 10 years were examined at a mean of 26.4 ± 27.8 months post radial nerve injury. Sensory mechanical thresholds on the dorsal surface of the hand were evaluated using Semmes-Weinstein monofilaments. Sensation was considered significantly impaired when there was no perception of a 2.0 gr. Semmes-Weinstein filament. Nociception was evaluated using Adson forceps. Results: Five patients had normal 2.0 monofilament perception. Two of these five also had normal perception of the lighter 0.05 monofilament. In nine patients, zones of impaired sensibility were restricted to the first web space. In combined radial and musculocutaneous nerve lesions, the zone of impaired sensibility extended to the dorsum of the third metacarpus and occasionally to the dorsal aspect of the thumb. This zone averaged being five times the size as in isolated radial nerve injuries. On average, the zone of decreased 0.05 monofilament perception was six times the size detected for the 2.0 monofilament. No patient had complete anesthesia over the dorsum of the hand. No patient complained about pain or numbness. Only one patient among four with a combined radial and musculocutaneous nerve injury required sensory reconstruction. Conclusions: Minimal sensory abnormalities should be expected after a radial nerve injury. Patients likely neither warrant nor request sensory reconstruction.

Original languageEnglish
Pages (from-to)151-156
Number of pages6
JournalMicrosurgery
Volume38
Issue number2
DOIs
Publication statusPublished - Feb 1 2018

Fingerprint

Radial Nerve
Wounds and Injuries
Musculocutaneous Nerve
Hand
Radial Neuropathy
Metacarpus
Sensory Thresholds
Nociception
Hypesthesia
Thumb
Surgical Instruments
Anesthesia
Pain

ASJC Scopus subject areas

  • Surgery

Cite this

Bertelli, J. A., Cavalli, E., Mendes Lehn, V. L., & Ghizoni, M. F. (2018). Sensory deficits after a radial nerve injury. Microsurgery, 38(2), 151-156. https://doi.org/10.1002/micr.30161

Sensory deficits after a radial nerve injury. / Bertelli, Jayme Augusto; Cavalli, Erica; Mendes Lehn, Vera Lúcia; Ghizoni, Marcos Flávio.

In: Microsurgery, Vol. 38, No. 2, 01.02.2018, p. 151-156.

Research output: Contribution to journalArticle

Bertelli, JA, Cavalli, E, Mendes Lehn, VL & Ghizoni, MF 2018, 'Sensory deficits after a radial nerve injury', Microsurgery, vol. 38, no. 2, pp. 151-156. https://doi.org/10.1002/micr.30161
Bertelli JA, Cavalli E, Mendes Lehn VL, Ghizoni MF. Sensory deficits after a radial nerve injury. Microsurgery. 2018 Feb 1;38(2):151-156. https://doi.org/10.1002/micr.30161
Bertelli, Jayme Augusto ; Cavalli, Erica ; Mendes Lehn, Vera Lúcia ; Ghizoni, Marcos Flávio. / Sensory deficits after a radial nerve injury. In: Microsurgery. 2018 ; Vol. 38, No. 2. pp. 151-156.
@article{205df76c3717467d9262b62d9c4cd3be,
title = "Sensory deficits after a radial nerve injury",
abstract = "Background: The aim of our study was to objectively test sensibility on the dorsal side of the hand in patients with radial nerve injury, to document deficits and to detect if surgery for sensory reconstruction is needed. Methods: Nineteen patients of mean age 31 ± 10 years were examined at a mean of 26.4 ± 27.8 months post radial nerve injury. Sensory mechanical thresholds on the dorsal surface of the hand were evaluated using Semmes-Weinstein monofilaments. Sensation was considered significantly impaired when there was no perception of a 2.0 gr. Semmes-Weinstein filament. Nociception was evaluated using Adson forceps. Results: Five patients had normal 2.0 monofilament perception. Two of these five also had normal perception of the lighter 0.05 monofilament. In nine patients, zones of impaired sensibility were restricted to the first web space. In combined radial and musculocutaneous nerve lesions, the zone of impaired sensibility extended to the dorsum of the third metacarpus and occasionally to the dorsal aspect of the thumb. This zone averaged being five times the size as in isolated radial nerve injuries. On average, the zone of decreased 0.05 monofilament perception was six times the size detected for the 2.0 monofilament. No patient had complete anesthesia over the dorsum of the hand. No patient complained about pain or numbness. Only one patient among four with a combined radial and musculocutaneous nerve injury required sensory reconstruction. Conclusions: Minimal sensory abnormalities should be expected after a radial nerve injury. Patients likely neither warrant nor request sensory reconstruction.",
author = "Bertelli, {Jayme Augusto} and Erica Cavalli and {Mendes Lehn}, {Vera L{\'u}cia} and Ghizoni, {Marcos Fl{\'a}vio}",
year = "2018",
month = "2",
day = "1",
doi = "10.1002/micr.30161",
language = "English",
volume = "38",
pages = "151--156",
journal = "Microsurgery",
issn = "0738-1085",
publisher = "Wiley-Liss Inc.",
number = "2",

}

TY - JOUR

T1 - Sensory deficits after a radial nerve injury

AU - Bertelli, Jayme Augusto

AU - Cavalli, Erica

AU - Mendes Lehn, Vera Lúcia

AU - Ghizoni, Marcos Flávio

PY - 2018/2/1

Y1 - 2018/2/1

N2 - Background: The aim of our study was to objectively test sensibility on the dorsal side of the hand in patients with radial nerve injury, to document deficits and to detect if surgery for sensory reconstruction is needed. Methods: Nineteen patients of mean age 31 ± 10 years were examined at a mean of 26.4 ± 27.8 months post radial nerve injury. Sensory mechanical thresholds on the dorsal surface of the hand were evaluated using Semmes-Weinstein monofilaments. Sensation was considered significantly impaired when there was no perception of a 2.0 gr. Semmes-Weinstein filament. Nociception was evaluated using Adson forceps. Results: Five patients had normal 2.0 monofilament perception. Two of these five also had normal perception of the lighter 0.05 monofilament. In nine patients, zones of impaired sensibility were restricted to the first web space. In combined radial and musculocutaneous nerve lesions, the zone of impaired sensibility extended to the dorsum of the third metacarpus and occasionally to the dorsal aspect of the thumb. This zone averaged being five times the size as in isolated radial nerve injuries. On average, the zone of decreased 0.05 monofilament perception was six times the size detected for the 2.0 monofilament. No patient had complete anesthesia over the dorsum of the hand. No patient complained about pain or numbness. Only one patient among four with a combined radial and musculocutaneous nerve injury required sensory reconstruction. Conclusions: Minimal sensory abnormalities should be expected after a radial nerve injury. Patients likely neither warrant nor request sensory reconstruction.

AB - Background: The aim of our study was to objectively test sensibility on the dorsal side of the hand in patients with radial nerve injury, to document deficits and to detect if surgery for sensory reconstruction is needed. Methods: Nineteen patients of mean age 31 ± 10 years were examined at a mean of 26.4 ± 27.8 months post radial nerve injury. Sensory mechanical thresholds on the dorsal surface of the hand were evaluated using Semmes-Weinstein monofilaments. Sensation was considered significantly impaired when there was no perception of a 2.0 gr. Semmes-Weinstein filament. Nociception was evaluated using Adson forceps. Results: Five patients had normal 2.0 monofilament perception. Two of these five also had normal perception of the lighter 0.05 monofilament. In nine patients, zones of impaired sensibility were restricted to the first web space. In combined radial and musculocutaneous nerve lesions, the zone of impaired sensibility extended to the dorsum of the third metacarpus and occasionally to the dorsal aspect of the thumb. This zone averaged being five times the size as in isolated radial nerve injuries. On average, the zone of decreased 0.05 monofilament perception was six times the size detected for the 2.0 monofilament. No patient had complete anesthesia over the dorsum of the hand. No patient complained about pain or numbness. Only one patient among four with a combined radial and musculocutaneous nerve injury required sensory reconstruction. Conclusions: Minimal sensory abnormalities should be expected after a radial nerve injury. Patients likely neither warrant nor request sensory reconstruction.

UR - http://www.scopus.com/inward/record.url?scp=85013230606&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85013230606&partnerID=8YFLogxK

U2 - 10.1002/micr.30161

DO - 10.1002/micr.30161

M3 - Article

AN - SCOPUS:85013230606

VL - 38

SP - 151

EP - 156

JO - Microsurgery

JF - Microsurgery

SN - 0738-1085

IS - 2

ER -