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Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report

INTRODUCTION: Active wrist extension initiates most functions of the hand. Extended brachial plexus injury usually has loss of wrist extension. We report a case with extended brachial plexus injury (BPI) treated with SAN to SSN and AIN branch to pronator quadratus to radial branch of ECRB nerve tra...

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Main Authors: Abot, Muhammad Syukree, Ismail, Raffael, Khalid, Kamarul Ariffin, Mohd Shariff, Mohd Yusuf
Format: Article
Language:English
Published: Malaysian Orthopaedic Association (MOA) 2018
Subjects:
RD701 Orthopedics
Online Access:http://irep.iium.edu.my/31360/1/31360_Neurotisation%20In%20Extended%20Brachial%20Plexus%20Injury.pdf
http://irep.iium.edu.my/31360/
http://morthoj.org/supplements/2018/EH14-Neurotisation-Extended-Brachial.pdf
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spelling my.iium.irep.31360 http://irep.iium.edu.my/31360/ Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report Abot, Muhammad Syukree Ismail, Raffael Khalid, Kamarul Ariffin Mohd Shariff, Mohd Yusuf RD701 Orthopedics INTRODUCTION: Active wrist extension initiates most functions of the hand. Extended brachial plexus injury usually has loss of wrist extension. We report a case with extended brachial plexus injury (BPI) treated with SAN to SSN and AIN branch to pronator quadratus to radial branch of ECRB nerve transfer. MATERIALS & METHODS: A 26 year-old gentleman involved in road traffic accident resulted in a flail left upper limb. Nerve conduction studies showing evidence of left pan-plexus injury. Over 8 months he recovered lower trunk function and was planned for nerve transfer surgery for shoulder abduction and wrist extension. The SAN to SSN transfers were performed where two branches of SAN to the upper trapezius were preserved and stimulated to confirm function. The nerve was divided below these branches and coaptate to SSN. The AIN was sectioned 3–4 cm proximal to PQ and coaptation to ECRB motor branch performed before the first division of motor branch to ECRB. RESULTS: 6 months post-surgery, wrist extension has improved from MRC grade 0 to 4 and shoulder abduction from 0 to 3 post surgery with no deficit of wrist pronation. Figure 1: Nerve coaptation performed. Left: SAN to SSN. Right: AIN Branch to PQ to Radial Branch of ECRB. DISCUSSION: Nerve transfers are superior to tendon transfers as they do not require immobilization, reinnervate native muscles prior degeneration of motor endplates, gives synergistic effect to the desired function, avoid tenodesis effect and result in minimal donor deficit. Neurotisation for shoulder function is common but for wrist extension is relatively new in Malaysia and provides a better outcome and more natural movement for the hand than tendon transfers. CONCLUSION: Neurotisation of ECRB by the AIN branch provides an option to reanimation of wrist extension. Malaysian Orthopaedic Association (MOA) 2018-05-10 Article PeerReviewed application/pdf en http://irep.iium.edu.my/31360/1/31360_Neurotisation%20In%20Extended%20Brachial%20Plexus%20Injury.pdf Abot, Muhammad Syukree and Ismail, Raffael and Khalid, Kamarul Ariffin and Mohd Shariff, Mohd Yusuf (2018) Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report. Malaysian Orthopaedic Journal, 12 (Supplement A). p. 1. ISSN 1985-2533 http://morthoj.org/supplements/2018/EH14-Neurotisation-Extended-Brachial.pdf
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
topic RD701 Orthopedics
spellingShingle RD701 Orthopedics
Abot, Muhammad Syukree
Ismail, Raffael
Khalid, Kamarul Ariffin
Mohd Shariff, Mohd Yusuf
Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
description INTRODUCTION: Active wrist extension initiates most functions of the hand. Extended brachial plexus injury usually has loss of wrist extension. We report a case with extended brachial plexus injury (BPI) treated with SAN to SSN and AIN branch to pronator quadratus to radial branch of ECRB nerve transfer. MATERIALS & METHODS: A 26 year-old gentleman involved in road traffic accident resulted in a flail left upper limb. Nerve conduction studies showing evidence of left pan-plexus injury. Over 8 months he recovered lower trunk function and was planned for nerve transfer surgery for shoulder abduction and wrist extension. The SAN to SSN transfers were performed where two branches of SAN to the upper trapezius were preserved and stimulated to confirm function. The nerve was divided below these branches and coaptate to SSN. The AIN was sectioned 3–4 cm proximal to PQ and coaptation to ECRB motor branch performed before the first division of motor branch to ECRB. RESULTS: 6 months post-surgery, wrist extension has improved from MRC grade 0 to 4 and shoulder abduction from 0 to 3 post surgery with no deficit of wrist pronation. Figure 1: Nerve coaptation performed. Left: SAN to SSN. Right: AIN Branch to PQ to Radial Branch of ECRB. DISCUSSION: Nerve transfers are superior to tendon transfers as they do not require immobilization, reinnervate native muscles prior degeneration of motor endplates, gives synergistic effect to the desired function, avoid tenodesis effect and result in minimal donor deficit. Neurotisation for shoulder function is common but for wrist extension is relatively new in Malaysia and provides a better outcome and more natural movement for the hand than tendon transfers. CONCLUSION: Neurotisation of ECRB by the AIN branch provides an option to reanimation of wrist extension.
format Article
author Abot, Muhammad Syukree
Ismail, Raffael
Khalid, Kamarul Ariffin
Mohd Shariff, Mohd Yusuf
author_facet Abot, Muhammad Syukree
Ismail, Raffael
Khalid, Kamarul Ariffin
Mohd Shariff, Mohd Yusuf
author_sort Abot, Muhammad Syukree
title Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
title_short Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
title_full Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
title_fullStr Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
title_full_unstemmed Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report
title_sort neurotisation in extended brachial plexus injury: spinal acessory nerve (san) to suprascapular nerve (ssn) and anterior interosseous nerve (ain) branch to pronator quadratus (pq) to radial branch of extensor carpi radialis brevis (ecrb) a case report
publisher Malaysian Orthopaedic Association (MOA)
publishDate 2018
url http://irep.iium.edu.my/31360/1/31360_Neurotisation%20In%20Extended%20Brachial%20Plexus%20Injury.pdf
http://irep.iium.edu.my/31360/
http://morthoj.org/supplements/2018/EH14-Neurotisation-Extended-Brachial.pdf
_version_ 1643616556165365760
score 13.211869

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