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Peripheral nerve motion measurement with spectral Doppler sonography: a reliability study.
A D Hough1, A P Moore, M P Jones
1Clinical Research Centre, School of Healthcare Professions, University of Brighton, Eastbourne, UK. ah125@bton.ac.uk
Journal of Hand Surgery (Edinburgh, Scotland)
|December 7, 2000
Summary
Spectral Doppler ultrasound reliably measures median nerve excursion during wrist extension. This technique shows high repeatability, suggesting its value for assessing nerve motion and entrapment syndromes.
Area of Science:
- Neurosonology
- Musculoskeletal Ultrasound
Background:
- Median nerve entrapment syndromes are common clinical issues.
- Accurate assessment of peripheral nerve motion is crucial for diagnosis.
- Current methods for measuring nerve excursion may have limitations.
Purpose of the Study:
- To evaluate the single operator test-retest reliability of spectral Doppler ultrasound for measuring median nerve excursion.
- To assess the repeatability of this ultrasound technique in healthy subjects.
Main Methods:
- Spectral Doppler ultrasound was used to measure longitudinal median nerve motion at the elbow.
- Measurements were taken on three separate occasions in both upper limbs of 16 healthy participants.
- The mean of three maximum velocity time integrals was calculated for each test.
Main Results:
- The study demonstrated a high degree of test-retest reliability for spectral Doppler ultrasound measurement of median nerve excursion.
- Intraclass correlation coefficient analysis indicated excellent repeatability (0.92).
Conclusions:
- Spectral Doppler ultrasound is a reliable method for quantifying median nerve motion.
- This technique holds potential as a valuable tool in the clinical assessment of peripheral nerve entrapment syndromes.