Median nerve conduction study through the carpal tunnel using segmental nerve length measured by ultrasonographic and conventional tape methods
Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved..
OBJECTIVE: (1) To determine whether a 5-cm segment includes the entire anatomic carpal tunnel in live subjects, and to compare surface, ultrasonographic, and direct measures of the median nerve length in human cadavers. (2) To investigate the actual difference of sensory conduction velocities between the conventional tape method and the ultrasonographic method.
DESIGN: Cross-sectional study.
SETTING: University rehabilitation hospital.
PARTICIPANTS: Healthy volunteers (N=40; 20 men, 20 women).
INTERVENTIONS: Not applicable.
MAIN OUTCOME MEASURES: Onset latencies at the palm and wrist, nerve conduction velocity (NCV) in nerve conduction study (NCS), median nerve length measured by ultrasound and tape method.
RESULTS: A real-time ultrasonographic study revealed that a 5-cm segment included the entire carpal tunnel. In the cadaveric study, the median nerve length measured by ultrasound was closer to the actual nerve length than the conventional surface length. The median nerve length in the wrist-to-palm segment measured by ultrasound was shorter than the surface distance. The sensory NCV using the nerve length measured by ultrasound was slower than that using the surface distance (P<.05).
CONCLUSIONS: The 5-cm segment test included the entire carpal tunnel and might be advantageous in the diagnosis of carpal tunnel syndrome (CTS), especially for early lesions. We expect that ultrasonographic measurement of nerve length might raise the sensitivity of NCSs for the diagnosis of CTS.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:92 |
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| Enthalten in: |
Archives of physical medicine and rehabilitation - 92(2011), 1 vom: 04. Jan., Seite 1-6 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rha, Dong-Wook [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 31.01.2011 Date Revised 25.11.2016 published: Print Citation Status MEDLINE |
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| doi: |
10.1016/j.apmr.2010.09.012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM204622093 |
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| 100 | 1 | |a Rha, Dong-Wook |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Median nerve conduction study through the carpal tunnel using segmental nerve length measured by ultrasonographic and conventional tape methods |
| 264 | 1 | |c 2011 | |
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| 500 | |a Date Completed 31.01.2011 | ||
| 500 | |a Date Revised 25.11.2016 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a OBJECTIVE: (1) To determine whether a 5-cm segment includes the entire anatomic carpal tunnel in live subjects, and to compare surface, ultrasonographic, and direct measures of the median nerve length in human cadavers. (2) To investigate the actual difference of sensory conduction velocities between the conventional tape method and the ultrasonographic method | ||
| 520 | |a DESIGN: Cross-sectional study | ||
| 520 | |a SETTING: University rehabilitation hospital | ||
| 520 | |a PARTICIPANTS: Healthy volunteers (N=40; 20 men, 20 women) | ||
| 520 | |a INTERVENTIONS: Not applicable | ||
| 520 | |a MAIN OUTCOME MEASURES: Onset latencies at the palm and wrist, nerve conduction velocity (NCV) in nerve conduction study (NCS), median nerve length measured by ultrasound and tape method | ||
| 520 | |a RESULTS: A real-time ultrasonographic study revealed that a 5-cm segment included the entire carpal tunnel. In the cadaveric study, the median nerve length measured by ultrasound was closer to the actual nerve length than the conventional surface length. The median nerve length in the wrist-to-palm segment measured by ultrasound was shorter than the surface distance. The sensory NCV using the nerve length measured by ultrasound was slower than that using the surface distance (P<.05) | ||
| 520 | |a CONCLUSIONS: The 5-cm segment test included the entire carpal tunnel and might be advantageous in the diagnosis of carpal tunnel syndrome (CTS), especially for early lesions. We expect that ultrasonographic measurement of nerve length might raise the sensitivity of NCSs for the diagnosis of CTS | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Im, Sang Hee |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Seong-Kyun |e verfasserin |4 aut | |
| 700 | 1 | |a Chang, Won Hyuk |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Ki Jung |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Sang Chul |e verfasserin |4 aut | |
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