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Anatomical considerations for nerve transfer in axillary nerve injury

 Soo-Jung Kim  ;  Jong-Ho Bang  ;  Hee-Jun Yang  ;  Seong-Hwan Moon  ;  Yun-Rak Choi  ;  Hye-Yeon Lee 
 SCIENTIFIC REPORTS, Vol.14(1) : 1262, 2024-01 
Journal Title
Issue Date
Adult ; Axilla ; Cadaver ; Humans ; Muscle, Skeletal / innervation ; Nerve Transfer* ; Peripheral Nerve Injuries* / surgery ; Radial Nerve / anatomy & histology ; Radial Nerve / surgery ; Shoulder ; Shoulder Injuries*
This study investigated the anatomical details of the axillary and radial nerves in 50 upper limbs from 29 adult formalin-embalmed cadavers, and ten fresh upper limbs. The focus was on understanding the course, division, and ramifications of these nerves to improve treatment of shoulder dysfunction caused by axillary nerve damage. The axillary nerve divided anteriorly and posteriorly before passing the quadrangular space in all specimens, with specific distances to the first ramifications. It was found that the deltoid muscle's clavicular and acromial parts were always innervated by the anterior division of the axillary nerve, whereas the spinous part was variably innervated. The longest and thickest branches of the radial nerve to the triceps muscles were identified, with no statistically significant differences in fiber numbers among triceps branches. The study concludes that nerve transfer to the anterior division of the axillary nerve can restore the deltoid muscle in about 86% of shoulders, and the teres minor muscle can be restored by nerve transfer to the posterior division. The medial head branch and long head branch of radial nerve were identified as the best donor options. © 2024, The Author(s).
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1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Moon, Seong Hwan(문성환)
Lee, Hye Yeon(이혜연) ORCID logo https://orcid.org/0000-0001-6945-1967
Choi, Yun Rak(최윤락)
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