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Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus

INTRODUCTION: Recently, distal radius fracture (DRF) has been treated with internal fixation using volar locking plates and several reports describing patients with a flexor carpi radialis brevis (FCRB) appeared. However, no studies have so far investigated the location of the FCRB relative to the v...

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Autores principales: Hosokawa, Takafumi, Suto, Morimichi, Tajika, Tsuyoshi, Chikuda, Hirotaka
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Indian Orthopaedic Research Group 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6742878/
https://www.ncbi.nlm.nih.gov/pubmed/31559217
http://dx.doi.org/10.13107/jocr.2250-0685.1396
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author Hosokawa, Takafumi
Suto, Morimichi
Tajika, Tsuyoshi
Chikuda, Hirotaka
author_facet Hosokawa, Takafumi
Suto, Morimichi
Tajika, Tsuyoshi
Chikuda, Hirotaka
author_sort Hosokawa, Takafumi
collection PubMed
description INTRODUCTION: Recently, distal radius fracture (DRF) has been treated with internal fixation using volar locking plates and several reports describing patients with a flexor carpi radialis brevis (FCRB) appeared. However, no studies have so far investigated the location of the FCRB relative to the volar locking plate. CASE REPORT: We herein report three cases of DRF with an FCRB. Two patients had a bilateral FCRB, and an FCRB was detected in 5 of 174 limbs (2.9%). In all cases, the FCRB had a muscle belly and was retracted to the radial side and volar plate fixation was performed without difficulty. The pronator quadratus (PQ) under the FCRB was thin. In one case, the PQ was hypoplastic and restoration was impossible. The distance from the plate to the FCRB and that from the plate to the flexor pollicis longus (FPL) tendon were examined postoperatively using ultrasound. In the case in which the PQ could not be restored, the FPL tendon was located close to the plate and the FCRB was in contact with the plate. CONCLUSION: As volar locking plate fixation of a DRF with an FCRB and a hypoplastic PQ may cause the restoration of the PQ impossible, the operation should be performed more carefully and follow-up is necessary to avoid post-operative FPL tendon injury and FCRB tendinopathy due to friction with the plate.
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spelling pubmed-67428782019-09-26 Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus Hosokawa, Takafumi Suto, Morimichi Tajika, Tsuyoshi Chikuda, Hirotaka J Orthop Case Rep Case Report INTRODUCTION: Recently, distal radius fracture (DRF) has been treated with internal fixation using volar locking plates and several reports describing patients with a flexor carpi radialis brevis (FCRB) appeared. However, no studies have so far investigated the location of the FCRB relative to the volar locking plate. CASE REPORT: We herein report three cases of DRF with an FCRB. Two patients had a bilateral FCRB, and an FCRB was detected in 5 of 174 limbs (2.9%). In all cases, the FCRB had a muscle belly and was retracted to the radial side and volar plate fixation was performed without difficulty. The pronator quadratus (PQ) under the FCRB was thin. In one case, the PQ was hypoplastic and restoration was impossible. The distance from the plate to the FCRB and that from the plate to the flexor pollicis longus (FPL) tendon were examined postoperatively using ultrasound. In the case in which the PQ could not be restored, the FPL tendon was located close to the plate and the FCRB was in contact with the plate. CONCLUSION: As volar locking plate fixation of a DRF with an FCRB and a hypoplastic PQ may cause the restoration of the PQ impossible, the operation should be performed more carefully and follow-up is necessary to avoid post-operative FPL tendon injury and FCRB tendinopathy due to friction with the plate. Indian Orthopaedic Research Group 2019 /pmc/articles/PMC6742878/ /pubmed/31559217 http://dx.doi.org/10.13107/jocr.2250-0685.1396 Text en Copyright: © Indian Orthopaedic Research Group http://creativecommons.org/licenses/by-nc-sa/3.0 This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Case Report
Hosokawa, Takafumi
Suto, Morimichi
Tajika, Tsuyoshi
Chikuda, Hirotaka
Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title_full Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title_fullStr Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title_full_unstemmed Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title_short Volar Locking Plate Fixation of Distal Radius Fracture with a Flexor Carpi Radialis Brevis and a Hypoplastic Pronator Quadratus
title_sort volar locking plate fixation of distal radius fracture with a flexor carpi radialis brevis and a hypoplastic pronator quadratus
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6742878/
https://www.ncbi.nlm.nih.gov/pubmed/31559217
http://dx.doi.org/10.13107/jocr.2250-0685.1396
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