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The inter-epicondylar distance as a valid method for localization of the radial nerve in the posterior approach to the humerus: Cadaveric and surgical study

Article

Last updated: 01 Jan 2025

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Abstract

Background: An ability to predict correctly the point where the radial nerve pierces the lateral intermuscular septum would be useful during arm surgery. Aim of the work: The present work aimed to create a simple bonny guide to localize the radial nerve for the safe posterior approach to the humerus.
Material and methods: The material of this work included forty upper limbs of formalin preserved specimens obtained from the dissecting room of anatomy department, and forty surgical cases undergoing posterior fixation of the humerus from the operative room of El Hadra hospital, Faculty of Medicine, Alexandria University.
The measurements involved the distance between the upper margin of the spiral groove to the tip of the medial epicondyle (medial measurement), the distance between the lower margin of the spiral groove to the tip of the lateral epicondyle (lateral measurement) and measurement of the inter-epicondylar distance in both cadaveric and surgical cases and compared with each other.
Results: The results revealed no statistically significant difference between measurements of both sides in the cadaveric study. In the same time, no statistically significant difference between measurements of cadaveric and surgical cases. From the previous measurements we obtained a formula from which we can predict the medial and lateral measurements of the radial nerve from the inter-epicondylar distance value.
Conclusion: The inter-epicondylar distance is a reliable method and reproducible measure to localize the radial nerve on the back of the humerus.

DOI

10.21608/ejana.2020.19968.1050

Keywords

Radial nerve, Posterior approach of humerus, inter-epicondylar distance

Authors

First Name

Ayman

Last Name

Khanfour

MiddleName

Ahmed

Affiliation

Assistant professor - Anatomy department Faculty of medicine Alexandria university

Email

aymn222@hotmail.com

City

Egypt - Alexandria

Orcid

-

First Name

Marwa

Last Name

Mady

MiddleName

Mahmoud

Affiliation

Anatomy and embryology department faculty of medicine Alexandria university Alexandria egypt

Email

dr.marwamady@yahoo.com

City

Alexandria

Orcid

-

First Name

Ahmed

Last Name

Abo Taleb

MiddleName

-

Affiliation

Orthopedic department - Faculty of medicine Alexandria universty

Email

ahmed.abotaleb555@gmail.com

City

-

Orcid

-

Volume

43

Article Issue

2

Related Issue

47246

Issue Date

2024-07-01

Receive Date

2019-11-12

Publish Date

2024-04-01

Page Start

240

Page End

249

Print ISSN

1110-2144

Online ISSN

2090-259X

Link

https://ejana.journals.ekb.eg/article_169091.html

Detail API

https://ejana.journals.ekb.eg/service?article_code=169091

Order

23

Type

Original Article

Type Code

231

Publication Type

Journal

Publication Title

The Egyptian Journal of Anatomy

Publication Link

https://ejana.journals.ekb.eg/

MainTitle

The inter-epicondylar distance as a valid method for localization of the radial nerve in the posterior approach to the humerus: Cadaveric and surgical study

Details

Type

Article

Created At

23 Dec 2024