DOS 2016

236

· DOS Abstracts

Surgical treatment of STT osteoarthritis with the

STPI implant

Niels Henrik Søe, David Eckerdal, Marianne Nygaard, Nina Venden-Jensen, Lars

B.Dahlin

Handsection, Department of Orthopaedic T, Herlev and Gentofte University

Hospital,Copenhagen,Denmark; Department of Hand Surgery, Skåne

University Hospital,Malmø,Sweden; Department of Hand Surgery, Skåne

University Hospital,Malmø,Sweden; Department of Operation, Anaesthesiology

and Day Care Surgery Q, Herlev and Gentofte University Hospital

,Copenhagen,Denmark; Department of Translational Medicine – Hand Surgery,

Lund University,Malmø,Sweden

Background:

Pain from the wrist can have different causes, one of these being

scapho- trapezio-trapezoid (STT) joint osteoarthritis. Treatment for this disor-

der is typically conservative, but a vast number of surgical treatments also exist.

One of the available surgical options is the use of an implant as a spacer. Some

of these implants are made of Pyrolytic carbon with the scaphoid trapeziodeum

interposition implant (STPI) being one of these.

Purpose / Aim of Study:

The aim was to evaluate the outcome of surgical

treatment of STT osteoarthritis with the STPI implant.

Materials and Methods:

In this prospective study, patients treated with the

STPI between January 2003 and December 2009 were identified and followed

over 72 months

Findings / Results:

Most patients were satisfied with the results of the pro-

cedure. The VAS score at rest decreased, but not at activity, and the grip and

pinch strengths increased. However the range of motion (ROM) as well as the

modified Mayo wrist score did not improve after the procedure.

Conclusions:

Surgical treatment of STT osteoarthritis with implantation with a

STPI implant results in a high patient satisfaction and a reduction of pain at rest,

but not at activity, as well as an increase in grip and pinch strength, without any

change in ROM. Thus, our results suggest that the STPI should be considered as

an option to treat STT osteoarthritis.

No conflicts of interest reported

187.