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Revista Española de Cirugía Ortopédica y Traumatología (English Edition)
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Inicio Revista Española de Cirugía Ortopédica y Traumatología (English Edition) Carpal tunnel syndrome in patients with a bifid median nerve
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Vol. 53. Issue 5.
Pages 325-328 (September - October 2009)
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Vol. 53. Issue 5.
Pages 325-328 (September - October 2009)
Case report
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Carpal tunnel syndrome in patients with a bifid median nerve
Síndrome del túnel carpiano en pacientes con nervio mediano bífido
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R. Fernández Gabardaa,
Corresponding author
raferga@hotmail.com

Corresponding author.
, M.J. Sangüesa Nebota, M. Ballesta Moratallab
a Department of Orthopedic and Trauma Surgery, Arnau de Vilanova Hospital, Valencia, Spain
b Department of Diagnostic Radiology, La Fe University Hospital, Valencia, Spain
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Abstract
Introduction

The most frequent type of entrapment neuropathy is carpal tunnel syndrome. Diagnosis is often clinical and electromyographic. Ultrasound studies not only permit diagnosis through the detection of median nerve morphological changes but also make it possible to identify potential anatomic abnormalities prior to decompressive surgery, thus constituting an invaluable tool for the surgeon who can in this way obtain better results.

Case reports

We present 4 cases of a bifid median nerve diagnosed preoperatively by means of ultrasound and we evaluated this finding taking into account the patients’ clinical specificities and the good surgical outcome, with previous knowledge of the anatomy and decompression of both branches.

Conclusions

The existence of this abnormality and other possible intra-canal pathologies make us prefer open approaches to the carpal tunnel over endoscopic surgery, if genuine resolution of the condition is to be achieved.

Keywords:
Median nerve
Bifid median nerve
Decompression
Ultrasound
Resumen
Introducción

La neuropatía por atrapamiento más frecuente es el síndrome del túnel del carpo. De diagnóstico habitualmente clínico y electromiográfico, los estudios realizados mediante ecografía, además de permitir el diagnóstico por la detección de cambios morfológicos típicos en el nervio mediano, logran identificar posibles anomalías anatómicas previamente a la cirugía de descompresión, lo que supone una inestimable ayuda al cirujano y augura mejores resultados.

Casos clínicos

Presentamos cuatro casos clínicos de nervio mediano bífido diagnosticados prequirúrgicamente mediante estudio ecográfico, y valoramos este hallazgo con las peculiaridades clínicas de los pacientes, así como el buen resultado quirúrgico, con el conocimiento previo de su anatomía y la descompresión de ambas ramas.

Conclusiones

La existencia de esta anomalía y otras posibles enfermedades intracanal orientan hacia la preferencia de los abordajes abiertos del túnel del carpo sobre la cirugía endoscópica, para conseguir la resolución de los cuadros clínicos.

Palabras clave:
Nervio mediano
Nervio mediano bífido
Descompresión
Ecografía
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Copyright © 2009. Sociedad Española de Cirugía Ortopédica y Traumatología (SECOT). All rights reserved
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