Reproducibility of sonographic measurements of the median nerve

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Luis AlemánMatilde Campos

Abstract

The purpose of this study was to evaluate the reproducibility of median nerve cross-sectional area (CSA) measurements using the indirect method (ellipsoid formula) and the direct or tracing method. The median nerve CSA was measured in 22 wrists of patients with carpal tunnel syndrome by means of high-frequency sonography. Measurements were made at the level of the pisiform bone by a standardized sonographic examination protocol. Two observers with different levels of experience performed the measurements, independently and blinded. An analysis of reliability was carried out, and the concordance between the methods was determined with parametric statistical tests. The results point to good reproducibility of the median nerve CSA measurements obtained by both methods, whether performed by an experienced observer or by an inexperienced observer after a short learning period. The results suggest sonography for median nerve CSA measurements is reproducible by either the direct or indirect method when a standardized sonographic examination protocol is used.

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Citations

Feb 28, 2013·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Alberto Tagliafico, Carlo Martinoli
Sep 21, 2017·Hand : Official Journal of the American Association for Hand Surgery·Jared A CrastoJohn R Fowler
Sep 17, 2011·Muscle & Nerve·Andrea N Leep HunderfundEric J Sorenson
Jun 1, 2010·Muscle & Nerve·Bradley G ImpinkMichael L Boninger
Apr 19, 2011·Acta Radiologica·Ahmad Reza Ghasemi-EsfeMaryam Rahmani
Feb 26, 2015·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Mathew PaluckAlfred C Gellhorn
Oct 11, 2015·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Anthony D JunckJay J Han
Mar 11, 2017·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Jeffrey C CowleyDeanna H Gates
May 28, 2009·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Tsuneo WatanabeMitsuru Seishima
Apr 30, 2010·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Tsuneo WatanabeToshio Matsuoka
Sep 29, 2011·PM & R : the Journal of Injury, Function, and Rehabilitation·Bradley G ImpinkMichael L Boninger
Oct 30, 2016·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Yin-Ting ChenMichael Fredericson
Oct 1, 2014·Journal of Medical Ultrasonics·Kinya IshizakaNorimasa Iwasaki
May 14, 2009·Neurosurgical Focus·Ralph W KoenigThomas Kretschmer
Apr 30, 2010·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·F ClaesW I M Verhagen
Sep 30, 2017·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Dražen AžmanVida Demarin
May 25, 2013·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·H S GoedeeL H Visser
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Jul 16, 2021·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Mia EricksonAnn Lucado
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