Touch Allodynia Following Endoscopic (Single Portal) or Open Decompression for Carpal Tunnel Syndrome

The Journal of Hand Surgery: British & European Volume - Tập 22 - Trang 325-327 - 1997
B. Povlsen1,2, I. Tegnell1,2, M. Revell1,2, L. Adolfsson1,2
1From the Department of Plastic Surgery, Hand Surgery and Burns, University of Linköping, Linköping, Sweden
2the Department of Orthopaedic Surgery, St Thomas' Hospital, London, UK

Tóm tắt

We investigated if single-portal endoscopic carpal tunnel decompression equipment (Agee®, 3M, USA) would cause increased carpal tunnel pressure during the release and if endoscopic release would reduce postoperative touch allodynia. Measurements on cadavers of the pressure produced during endoscopic release showed similar pressures to those produced during maximal range of motion. One hundred patients underwent either open or endoscopic decompressions. Twenty normal individuals served as controls. At 1 month after surgery both groups had significant allodynia compared with the controls, but at 3 months the endoscopic group had returned to normal though the open group was still significantly abnormal. The reported endoscopic release may therefore be of particular advantage to patients who would seriously be disadvantaged if postoperative touch allodynia should develop. The Agee® endoscope is unlikely to cause disturbance of the nerve function due to increased carpal pressure during the release.

Tài liệu tham khảo

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Thông tin xuất bản

The Journal of Hand Surgery: British & European Volume

Tập 22

325-327

Thông tin tác giả