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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 60 - 60
1 Jan 2011
Arya A Ahmad L Khokhar R Shetty S Compson J
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Scaphoid non-union usually requires surgical treatment in form of reconstructive or salvage procedure. Imaging helps in planning the surgical procedure. Wrist arthroscopy may also be helpful in the pre-operative assessment. This study was conducted to find the usefulness of wrist arthroscopy in formulating a management plan to treat scaphoid non-union.

We prospectively studied 17 patients of scaphoid non-unions by wrist arthroscopy. Non-union was assessed; and site and extent of any articular wear if present was noted. Some patients had additional procedures such as synovial debridement, removal of loose bodies or debridement of TFC tears. It was possible to formulate the further management plan at the same time.

Our study included 14 men and 3 women with a mean age of 34.5 years (range 18 to 49). Arthroscopic findings included mild radiocarpal wear in 3 cases and severe articular wear in 1. Additionally, in two thirds of cases there was some degree of wear present over the radial styloid region. 6 cases had TFCC tears. 4 patients had synovial debridement and in 5 cases loose bodies were removed. Based on the arthroscopic findings, it was decided to proceed to a reconstructive procedure in 12 cases and a salvage procedure in remaining 5.

We concluded that in scaphoid non-unions:

Articular surface wear is often less than suggested by imaging.

Limited wear is often present at radial styloid area which could be debrided.

Associate abnormalities such as loose bodies, synovitis and TFC tears are commonly present.

State of union can not be accurately assessed due to presence of fibrocartilage at the non-union site.