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Journal of Korean Neurosurgical Society > Volume 46(3); 2009 > Article
Journal of Korean Neurosurgical Society 2009;46(3): 199-204.
doi: https://doi.org/10.3340/jkns.2009.46.3.199
Pressure Measurement in Carpal Tunnel Syndrome : Correlation with Electrodiagnostic and Ultrasonographic Findings.
Seong Yeol Ahn, Youn Ho Hong, Young Hwan Koh, Yeong Seob Chung, Sang Hyung Lee, Hee Jin Yang
1Department of Neurosurgery, Seoul National University Boramae Hospital, Seoul, Korea. nsyang@brm.co.kr
2Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
3Department of Neurology, Seoul National University Boramae Hospital, Seoul, Korea.
4Department of Radiology, Seoul National University Boramae Hospital, Seoul, Korea.
ABSTRACT
OBJECTIVE:
This study was done to evaluate the correlation between carpal tunnel pressure (CTP), electrodiagnostic and ultrasonographic findings in patients with carpal tunnel syndrome (CTS).
METHODS:
CTP was measured during endoscopic carpal tunnel release (ECTR) for CTS using Spiegelberg ICP monitoring device with parenchymal type catheter. Neurophysiologic severity and nerve cross sectional area were evaluated using nerve conductive study and ultrasonography (USG) before ECTR in all patients.
RESULTS:
Tests were performed in a total of 48 wrists in 39 patients (9 cases bilateral). Maximum CTP was 56.7 +/- 19.3 mmHg (Mean +/- SD) and 7.4 +/- 3.3 mmHg before and after ECTR, respectively. No correlation was found between maximum CTP and either neurophysiologic severity or nerve cross sectional area, whereas we found a significant correlation between the latter two parameters.
CONCLUSION:
CTP was not correlated with neurophysiologic severity and nerve cross sectional area. Dynamic, rather than static, pressure in carpal tunnel might account for the basic pathophysiology of CTS better.
Key Words: Carpal tunnel syndrome; Pressure; Ultrasonography; Electrodiagnosis
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