Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve

SUMMARY: The objective of the study was to evaluate the anatomical characteristics and variations of the palmaris longus nerve branch and define the feasibility of transferring this branch to the posterior interosseous nerve without tension. Thirty arms from 15 adult male cadavers were dissected aft...

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Autores principales:	Caetano,Edie Benedito, Vieira,Luiz Angelo, Ferreira-Caetano,Maurício Benedito, Cavalheiro,Cristina Schmitt, Arcuri,Marcel Henrique, da Silva-Júnior,Luís Cláudio Nascimento
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2019
Materias:	Peripheral nerve injury Nerve transfer Median nerve Anatomic variation
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200626
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spelling	oai:scielo:S0717-950220190002006262019-09-11Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous NerveCaetano,Edie BeneditoVieira,Luiz AngeloFerreira-Caetano,Maurício BeneditoCavalheiro,Cristina SchmittArcuri,Marcel Henriqueda Silva-Júnior,Luís Cláudio Nascimento Peripheral nerve injury Nerve transfer Median nerve Anatomic variation SUMMARY: The objective of the study was to evaluate the anatomical characteristics and variations of the palmaris longus nerve branch and define the feasibility of transferring this branch to the posterior interosseous nerve without tension. Thirty arms from 15 adult male cadavers were dissected after preparation with 20 % glycerin and formaldehyde intra-arterial injection. The palmaris longus muscle (PL) received exclusive innervation of the median nerve in all limbs. In most it was the second muscle of the forearm to be innervated by the median nerve. In 5 limbs the PL muscle was absent. In 5 limbs we identified a branch without sharing branches with other muscles. In 4 limbs it shared origin with the pronator teres (PT), in 8 with the flexor carpi radialis (FCR), in 2 with flexor digitorum superficialis (FDS), in 4 shared branches for the PT and FCR and in two with PT, FCR, FDS. The mean length was (4.0 ± 1.2) and the thickness (1.4 ± 0.6). We investigated whether the branch for PL was long enough to be transferred to the posterior interosseous nerve (PIN). The branch diameter for PL corresponds to 46 % of the PIN. The PL muscle branch presented great variability. The PL branch could be transferred to the PIN proximally to the Froshe arcade without tension in all specimens even with full range of motion of the forearm. In 13 limbs was possible the tensionless transfer to PIN distal to the branches of the supinator muscle.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.37 n.2 20192019-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200626en10.4067/S0717-95022019000200626
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Peripheral nerve injury Nerve transfer Median nerve Anatomic variation
spellingShingle	Peripheral nerve injury Nerve transfer Median nerve Anatomic variation Caetano,Edie Benedito Vieira,Luiz Angelo Ferreira-Caetano,Maurício Benedito Cavalheiro,Cristina Schmitt Arcuri,Marcel Henrique da Silva-Júnior,Luís Cláudio Nascimento Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
description	SUMMARY: The objective of the study was to evaluate the anatomical characteristics and variations of the palmaris longus nerve branch and define the feasibility of transferring this branch to the posterior interosseous nerve without tension. Thirty arms from 15 adult male cadavers were dissected after preparation with 20 % glycerin and formaldehyde intra-arterial injection. The palmaris longus muscle (PL) received exclusive innervation of the median nerve in all limbs. In most it was the second muscle of the forearm to be innervated by the median nerve. In 5 limbs the PL muscle was absent. In 5 limbs we identified a branch without sharing branches with other muscles. In 4 limbs it shared origin with the pronator teres (PT), in 8 with the flexor carpi radialis (FCR), in 2 with flexor digitorum superficialis (FDS), in 4 shared branches for the PT and FCR and in two with PT, FCR, FDS. The mean length was (4.0 ± 1.2) and the thickness (1.4 ± 0.6). We investigated whether the branch for PL was long enough to be transferred to the posterior interosseous nerve (PIN). The branch diameter for PL corresponds to 46 % of the PIN. The PL muscle branch presented great variability. The PL branch could be transferred to the PIN proximally to the Froshe arcade without tension in all specimens even with full range of motion of the forearm. In 13 limbs was possible the tensionless transfer to PIN distal to the branches of the supinator muscle.
author	Caetano,Edie Benedito Vieira,Luiz Angelo Ferreira-Caetano,Maurício Benedito Cavalheiro,Cristina Schmitt Arcuri,Marcel Henrique da Silva-Júnior,Luís Cláudio Nascimento
author_facet	Caetano,Edie Benedito Vieira,Luiz Angelo Ferreira-Caetano,Maurício Benedito Cavalheiro,Cristina Schmitt Arcuri,Marcel Henrique da Silva-Júnior,Luís Cláudio Nascimento
author_sort	Caetano,Edie Benedito
title	Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
title_short	Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
title_full	Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
title_fullStr	Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
title_full_unstemmed	Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve
title_sort	anatomical study of the branch of the palmaris longus muscle for its transfer to the posterior interosseous nerve
publisher	Sociedad Chilena de Anatomía
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200626
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Anatomical Study of the Branch of the Palmaris Longus Muscle for its Transfer to the Posterior Interosseous Nerve

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