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Scaphotrapeziotrapezoid Arthrodesis Using Limited Wrist Fusion Plates in Kienböck's Disease
Baver Acar1, Adil Turan1, Ozkan Kose1
1Orthopaedics, University of Health Sciences, Antalya Education and Research Hospital, Antalya, TUR.
Purpose:
The purpose of this study was to evaluate the clinical and radiological results of scaphotrapeziotrapezoid (STT) arthrodesis with a limited wrist fusion plate in patients with Stage IIIB Kienböck's disease (KD).
Materials And Methods:
A retrospective review was performed on nine patients with Stage IIIB KD who underwent STT arthrodesis between 2014 and 2017 at our institution. Clinical evaluations of the patients were made using the shortened quick version of the Disabilities of the Arm, Shoulder, and Hand (Q-DASH) Outcome Measure score (Institute for Work and Health, Toronto, ON, Canada) and grip strength measurements before surgery and at the final follow-up examination. All patients underwent computed tomography (CT) scan to confirm the union of the arthrodesis.
Results:
A complete union was obtained in all patients. The Q-DASH score was changed from 57.8 ± 8.2 points (range: 47.7 - 70.5) to 32.3 ± 17.3 points (range: 13.6 - 54.5) (p = 0.008). Similarly, the grip strength was improved significantly (p = 0.007).
Conclusions:
The use of limited wrist fusion plates for STT arthrodesis in KD is a safe and effective treatment method that provides a high rate union and acceptable functional results.