LONG-TERM FOLLOW-UP OF DUAL-PORTAL ENDOSCOPIC RELEASE OF THE TRANSVERSE LIGAMENT IN CARPAL TUNNEL SYNDROME

Author:

Keiner Doerthe1,Gaab Michael R.1,Schroeder Henry W.S.2,Oertel Joachim1

Affiliation:

1. Department of Neurosurgery, Hannover Nordstadt Hospital, Affiliated Hospital Hannover Medical School, Hannover, Germany

2. Department of Neurosurgery, Ernst Moritz Arndt University, Greifswald, Germany

Abstract

Abstract OBJECTIVE The long-term efficacy of dual-portal endoscopic release of the transverse ligament in carpal tunnel syndrome is still being debated. In this study, the authors present 94 endoscopic carpal tunnel surgery cases with long-term follow-up data. METHODS The study includes 72 patients aged 17 to 86 years (mean age, 53.4 years); bilateral surgery was performed in 22 of these patients. Seventy-two hands of female patients and 22 hands of male patients were included. All procedures were performed with a dual-portal set according to the Chow technique. All patients were examined 2 to 3 months after surgery. The long-term follow-up evaluation was based on telephone interviews 5 to 12 years (mean, 8.2 years) after surgery. RESULTS From a cohort of 214 cases that were treated surgically between 1995 and 2002, 94 cases (44%) could be evaluated for long-term follow-up. Four of these patients had to be excluded from long-term follow-up because of a switch to an open technique and early open revision (3–6 months after the first surgery), owing to persistent symptoms. A good to optimal postoperative outcome with improvement of neurological signs and subjective patient satisfaction was observed in 84 (93.3%) of the remaining 90 cases. There were no recurrences. CONCLUSION The study shows that dual-portal endoscopic release of the transverse ligament in carpal tunnel syndrome is a valuable technique that produces very good long-term results and high patient satisfaction and does not result in a significant recurrence rate.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Clinical Neurology,Surgery

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