Jay Smith’s scientific contributions

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Publications (1)


Ultrasound-guided hydrodissection decreases gliding resistance of the median nerve within the carpal tunnel
  • Article

June 2017

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77 Reads

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55 Citations

Muscle & Nerve

Stefanie Evers

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Jay Smith

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Introduction: The aim of this study was to assess alterations in median nerve biomechanics within the carpal tunnel resulting from ultrasound-guided hydrodissection in a cadaveric model. Methods: Twelve fresh frozen human cadaver hands were used. Median nerve gliding resistance was measured at baseline and post-hydrodissection, by pulling the nerve proximally and then returning it to the origin. Six specimens were treated with hydrodissection, and 6 were used as controls. Results: In the hydrodissection group there was a significant reduction in mean peak gliding resistance of 92.9 ± 34.8 mN between baseline and immediately post-hydrodissection (21.4% ± 10.5%, p= .001). No significant reduction between baseline and the second cycle occurred in the control group: 9.6 ± 29.8 mN (0.4% ± 5.3%, p= .467). Discussion: Hydrodissection can decrease the gliding resistance of the median nerve within the carpal tunnel, at least in wrists unaffected by carpal tunnel syndrome. A clinical trial of hydrodissection seems justified. This article is protected by copyright. All rights reserved.

Citations (1)


... It is indicated for conditions, such as nerve disorders and myofascial pain syndrome (MPS) [1]. For HR for MPS, the solution is injected into the inter-fascia, intra-aponeurotic fascia (APF), or intra-muscle [2] to restore normal gliding between layers [3]. ...

Reference:

Fascial Ultrasound-Guided Injection: Where Do We Really Inject?
Ultrasound-guided hydrodissection decreases gliding resistance of the median nerve within the carpal tunnel
  • Citing Article
  • June 2017

Muscle & Nerve