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The Fate of Pronator Quadratus Muscle after Volar Locking Plating of Unstable Distal Radius Fractures
Journal of the Korean Fracture Society ; : 191-197, 2014.
Artigo em Coreano | WPRIM | ID: wpr-71045
ABSTRACT

PURPOSE:

The purpose of this study is to evaluate the pronator quadrates muscle in patients who underwent internal fixation with a volar locking plate for unstable distal radius fractures. MATERIALS AND

METHODS:

Forty patients who underwent internal fixation with a volar locking plate for unstable distal radius fracture were enrolled. We evaluated the clinical results according to the Mayo wrist score, the wrist range of motion, and the grip strength at the last follow-up. Using ultrasonography, muscle thickness of the pronator quadrates was compared between injured and uninjured arm.

RESULTS:

Bone union was achieved in all cases. The mean Mayo wrist score was 82.79 points. The grip strength of the injured arm was decreased to 89.1% of the uninjured side. The decrease of pronation range of the injured wrist motions was significant (82.3degrees, p=0.004). There was significant atrophy of the pronator quadrates muscle on the injured side (injured side 3.19 mm, uninjured side 4.72 mm, p=0.001); and the decrement of muscle thickness in pronator quadrates showed an association with the Mayo wrist score (r=-0.35, p=0.042).

CONCLUSION:

These results suggest that continuity of the muscle is maintained after use of the volar locking plating for unstable distal radius fractures with repair of pronator quadrates; however, there is atrophy of pronator quadrates muscle and limitation of pronation in the injured wrist.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Braço / Fraturas do Rádio / Atrofia / Punho / Pronação / Seguimentos / Amplitude de Movimento Articular / Ultrassonografia / Força da Mão Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Coreano Revista: Journal of the Korean Fracture Society Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Braço / Fraturas do Rádio / Atrofia / Punho / Pronação / Seguimentos / Amplitude de Movimento Articular / Ultrassonografia / Força da Mão Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Coreano Revista: Journal of the Korean Fracture Society Ano de publicação: 2014 Tipo de documento: Artigo