An Outcome Study of Endoscopic Carpal Tunnel Release Compared with Open Release

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Journal of the Korean Society for Surgery of the Hand 2002;7(2):172-178.
Published online June 1, 2002.

Jin-Soo Park, Chang-Hoe Ahn

수근관 증후군에서 개방적 감압술과 내시경적 감압술 후의 결과 비교

박진수, 안창회

Abstract

Background : Endoscopic carpal tunnel release has been demonstrated to reduce recovery time, although previous studies have raised concerns about an increased rate of complications. The purpose of this study was to compare open carpal tunnel release with endoscopic carpal tunnel release. Methods : A study was performed on 108 hands in 74 patients. The open method was performed in fifty-one hands in thirty-seven patients, and the endoscopic method was performed in fifty-seven hands in thirtyseven patients. All of the patients had clinical signs or symptoms and electrodiagnostic findings consistent with carpal tunnel syndrome and had not responded to, or had refused, nonoperative management. Follow-up evaluations with use of Carpal Tunnel Syndrome Symptom Severity Scores and Carpal Tunnel Function Status Scores were performed at two, four, eight, twelve, twenty-six, and fifty-two weeks after the surgery. Complications were identified. The cost of the procedures and the time until return to work were recorded and compared between the groups. Results : During the first three months after surgery, the patients treated with the endoscopic method had better CTS-SSS, better CTS-FSS, and better subjective satisfaction scores. The open technique resulted in a longer time until the patients could return to work(median, forty days compared with eighteen days after the endoscopic release). Single event of nerve problem in endoscopic group but no definite complication in the open group. Conclusion : Good clinical outcomes and patient satisfaction are achieved more quickly when the endoscopic method of carpal tunnel release is used. Endoscopic surgery is a safe and effective method of treating carpal tunnel syndrome.

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