Carpal Tunnel Syndrome: Diagnostic Usefulness of Ultrasound Measurement of the Median Nerve Area and Quantitative Elastographic Measurement of the Median Nerve Stiffness.
carpal tunnel syndrome
elastography
median nerve
ultrasound
Journal
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
ISSN: 1550-9613
Titre abrégé: J Ultrasound Med
Pays: England
ID NLM: 8211547
Informations de publication
Date de publication:
Feb 2020
Feb 2020
Historique:
received:
13
03
2019
revised:
15
06
2019
accepted:
07
07
2019
pubmed:
20
8
2019
medline:
18
11
2020
entrez:
20
8
2019
Statut:
ppublish
Résumé
To correlate the ultrasound (US) measurements of the median nerve cross-sectional area (CSA) and the measurements of its stiffness by shear wave elastography (SWE) with the severity grade of carpal tunnel syndrome (CTS) using electrodiagnostic testing (EDT) and to determine the cutoff points for CSA and SWE measurements to allow us to discriminate patients with moderate and severe CTS from those with mild or negative EDT findings. Seventy-three patients with 105 hands with a clinical suspicion of CTS were studied with US and SWE. We measured the median nerve CSA and elasticity (E) at the tunnel inlet (CSAu and Eu), in the quadratus pronator (CSAo and Eo), and the differences (CSAu - CSAo and Eu - Eo). The nerve area and stiffness increased according to the EDT severity of CTS; the CSA increased proportionally as CTS increased from negative to severe according to EDT, and the stiffness was not different between patients with negative and mild EDT findings but was higher in patients with moderate and severe EDT findings versus negative and mild EDT findings. The cutoff points of a CSAu of 14 mm The joint use of US and SWE is an alternative to EDT in the clinical management and treatment of patients with a clinical suspicion of CTS.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
331-339Informations de copyright
© 2019 by the American Institute of Ultrasound in Medicine.
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