• R F Ghaly, K L Saban, D A Haley, and R E Ross.
• Department of Neurosurgery, Chicago Institute of Neurosurgery and Neuroresearch, IL 60614, USA.
• Neurol. Res. 2000 Sep 1; 22 (6): 551-5.

AbstractRecently, a trend has developed to use an endoscope to achieve carpal tunnel release. Proponents of the endoscopic technique believe it has benefits to patients that include minimal incision, minimal pain and scarring, a shortened recovery period and a high level of patient satisfaction. To test these beliefs, a retrospective analysis of the first 42 cases that were done between May 1997 and June 1998 was completed. Endoscopic carpal tunnel release surgery was performed on patients with the classical clinical and neurophysiological findings of carpal tunnel syndrome. The procedure was performed in an outpatient surgery center under primarily local anesthesia and by the same neurosurgeon (RG), who was blind to data analysis. The biportal technique (Instratek Inc., Houston, TX, USA) was used as described by Brown. The first 42 patients (n = 35, seven patients had bilateral surgeries) were sent a survey (modified Health Outcomes Carpal Tunnel Questionnaire, Health Outcomes, Bloomington, MN, USA) that measured a wide spectrum of variables, with a year follow-up. Patient demography indicated wide patient selection. All subjects (100%) had claimed work-related injury. Patient satisfaction was reported in 86%. No or mild incisional pain, night pain, absent tingling, and improved grip strengthening were reported in 100%, 95%, 81%, and 85% respectively. The mean for return to daily activity and work was 14 and 25 days respectively. No recurrent hematoma, infection, or structure injury was reported. Endoscopic carpal tunnel release can be done safely and effectively with excellent self-reports of patient satisfaction. Reduced recovery period and hospitalization with minimal tissue violation and incisional pain can be expected.

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