Location-dependent change of median nerve mobility in the carpal tunnel of patients with carpal tunnel syndrome

Yifei Yao; Emily Grandy; Peter J. Evans; William H. Seitz; Zong Ming Li

doi:10.1002/mus.27017

Location-dependent change of median nerve mobility in the carpal tunnel of patients with carpal tunnel syndrome

Yifei Yao, Emily Grandy, Peter J. Evans, William H. Seitz, Zong Ming Li

Orthopedic Surgery

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Introduction: The purpose of this study was to investigate in vivo median nerve longitudinal mobility in different segments of the carpal tunnel associated with active finger motion in carpal tunnel syndrome (CTS) patients in a comparison with healthy controls. Methods: Eleven healthy volunteers and 11 CTS patients participated in this study. Dynamic ultrasound images captured location-dependent longitudinal median nerve mobility within the carpal tunnel during finger flexion at the metacarpophalangeal joints using a speckle cross-correlation algorithm. Results: Median nerve longitudinal mobility in the carpal tunnel was significantly smaller in CTS patients (0.0037 ± 0.0011 mm/degree) compared with controls (0.0082 ± 0.0026 mm/degree) (P '.05), especially in the proximal (0.0064 vs 0.0132 mm/degree on average) and middle (0.0033 vs 0.0074 mm/degree on average) carpal tunnel sections. Discussion: Median nerve mobility can potentially serve as a biomechanical marker when diagnosing CTS, or when assessing the effectiveness of surgical and conservative treatments.

Original language	English (US)
Pages (from-to)	522-527
Number of pages	6
Journal	Muscle and Nerve
Volume	62
Issue number	4
DOIs	https://doi.org/10.1002/mus.27017
State	Published - Oct 1 2020

Keywords

carpal tunnel syndrome, cross-correlation speckle tracking, dynamic ultrasound, median nerve mobility

ASJC Scopus subject areas

Physiology
Clinical Neurology
Cellular and Molecular Neuroscience
Physiology (medical)

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10.1002/mus.27017

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title = "Location-dependent change of median nerve mobility in the carpal tunnel of patients with carpal tunnel syndrome",

abstract = "Introduction: The purpose of this study was to investigate in vivo median nerve longitudinal mobility in different segments of the carpal tunnel associated with active finger motion in carpal tunnel syndrome (CTS) patients in a comparison with healthy controls. Methods: Eleven healthy volunteers and 11 CTS patients participated in this study. Dynamic ultrasound images captured location-dependent longitudinal median nerve mobility within the carpal tunnel during finger flexion at the metacarpophalangeal joints using a speckle cross-correlation algorithm. Results: Median nerve longitudinal mobility in the carpal tunnel was significantly smaller in CTS patients (0.0037 ± 0.0011 mm/degree) compared with controls (0.0082 ± 0.0026 mm/degree) (P '.05), especially in the proximal (0.0064 vs 0.0132 mm/degree on average) and middle (0.0033 vs 0.0074 mm/degree on average) carpal tunnel sections. Discussion: Median nerve mobility can potentially serve as a biomechanical marker when diagnosing CTS, or when assessing the effectiveness of surgical and conservative treatments.",

keywords = "carpal tunnel syndrome, cross-correlation speckle tracking, dynamic ultrasound, median nerve mobility",

author = "Yifei Yao and Emily Grandy and Evans, {Peter J.} and Seitz, {William H.} and Li, {Zong Ming}",

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doi = "10.1002/mus.27017",

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AU - Yao, Yifei

AU - Grandy, Emily

AU - Evans, Peter J.

AU - Seitz, William H.

AU - Li, Zong Ming

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Introduction: The purpose of this study was to investigate in vivo median nerve longitudinal mobility in different segments of the carpal tunnel associated with active finger motion in carpal tunnel syndrome (CTS) patients in a comparison with healthy controls. Methods: Eleven healthy volunteers and 11 CTS patients participated in this study. Dynamic ultrasound images captured location-dependent longitudinal median nerve mobility within the carpal tunnel during finger flexion at the metacarpophalangeal joints using a speckle cross-correlation algorithm. Results: Median nerve longitudinal mobility in the carpal tunnel was significantly smaller in CTS patients (0.0037 ± 0.0011 mm/degree) compared with controls (0.0082 ± 0.0026 mm/degree) (P '.05), especially in the proximal (0.0064 vs 0.0132 mm/degree on average) and middle (0.0033 vs 0.0074 mm/degree on average) carpal tunnel sections. Discussion: Median nerve mobility can potentially serve as a biomechanical marker when diagnosing CTS, or when assessing the effectiveness of surgical and conservative treatments.

AB - Introduction: The purpose of this study was to investigate in vivo median nerve longitudinal mobility in different segments of the carpal tunnel associated with active finger motion in carpal tunnel syndrome (CTS) patients in a comparison with healthy controls. Methods: Eleven healthy volunteers and 11 CTS patients participated in this study. Dynamic ultrasound images captured location-dependent longitudinal median nerve mobility within the carpal tunnel during finger flexion at the metacarpophalangeal joints using a speckle cross-correlation algorithm. Results: Median nerve longitudinal mobility in the carpal tunnel was significantly smaller in CTS patients (0.0037 ± 0.0011 mm/degree) compared with controls (0.0082 ± 0.0026 mm/degree) (P '.05), especially in the proximal (0.0064 vs 0.0132 mm/degree on average) and middle (0.0033 vs 0.0074 mm/degree on average) carpal tunnel sections. Discussion: Median nerve mobility can potentially serve as a biomechanical marker when diagnosing CTS, or when assessing the effectiveness of surgical and conservative treatments.

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Location-dependent change of median nerve mobility in the carpal tunnel of patients with carpal tunnel syndrome

Abstract

Keywords

ASJC Scopus subject areas

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