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[Treatment algorithm for scaphoid nonunion : retrospective case-control study of 208 patients]
1Klinik für Hand-, Plastische, Rekonstruktive und Verbrennungschirurgie, Berufsgenossenschaftliche Unfallklinik, Eberhard-Karl-Universität Tübingen, Schnarrenbergstraße 95, 72076, Tübingen, Deutschland. patrickjaminet@googlemail.com
Introduction:
We present a retrospective study on different treatment options for scaphoid nonunion. The results are compared to the literature and a treatment algorithm is proposed.
Materials And Methods:
Based on a retrospective case-control study, 208 patients suffering from scaphoid nonunion were treated between 2000 and 2006. The patients were grouped depending on the localization of the nonunion: proximal (n=10), middle (n=105), or distal (n=93) third. In the presence of a small avascular proximal fragment, a vascularized bone graft from the distal radius was added (n=53). The determination of scaphoid healing was achieved by conventional radiographs or CT scans.
Results:
Overall scaphoid healing occurred in 89.9% (n=187). For small proximal scaphoid fragments (n=93), we could show healing rates up to 83% (n=77). Using a vascularized bone graft from the distal radius, scaphoid consolidation was achieved in 81% for avascular proximal fragments and recurrent scaphoid nonunion (n=53).
Conclusion:
Using sophisticated treatment options, the prognosis of scaphoid nonunions is very good.
