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ARTHROSCOPIC INTERPOSITION ARTHROPLASTY OF THE FIRST CARPOMETACARPAL JOINT

From the Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA

Correspondence: Dr Scott P. Steinmann, MD, Consultant in Orthopedic and Hand Surgery, Mayo Clinic, Department of Orthopedic Surgery, 200 First Street SW, Rochester, MN 55905, USA. Tel.: +1 507 538 1020; fax: +1 507 284 5539. E-mail:Steinmann.Scott{at}Mayo.edu

First carpometacarpal joint arthritis is a common condition encountered by hand surgeons. Traditionally, surgical approaches have included arthrodesis, trapeziectomy or reconstructive arthroplasty techniques. Previously, we described a technique for arthroscopic debridement and interposition arthroplasty of the first carpometacarpal joint. Patients with Eaton stages II and III symptomatic first carpometacarpal joint arthritis recalcitrant to >6 months of non-operative therapy underwent arthroscopic debridement of the first carpometacarpal joint with interposition of an acellular dermal matrix allograft (GRAFTJACKET^TM). In this paper, we describe outcomes following this procedure. Postoperatively, all patients reported symptomatic relief and 94% stated that they were partially, or completely, satisfied. More than 70% of patients reported no to mild difficulty in performing activities of daily living (average grip strength = 18.5 kg, pinch strength = 3.9 kg). Complications were minimal. Outcomes from this study compare favourably to those of other series, demonstrating that this technique is a viable option for treatment of Eaton stages II and III first carpometacarpal arthritis.

Key Words: carpometacarpal joint • trapeziometacarpal joint • thumb carpometacarpal joint • arthroscopy • interposition graft • interposition arthroplasty

Journal of Hand Surgery (European Volume), Vol. 32, No. 3, 268-274 (2007)
DOI: 10.1016/J.JHSB.2006.12.003


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