Midterm results of arthroscopic treatment of scapholunate ligament lesions associated with intra-articular distal radius fractures
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Since 1993, we have treated 30 patients with acute intra-articular distal radius fractures using arthroscopic assistance. Concomitant lesions of the intrinsic scapholunate (SL) ligaments were diagnosed in 12 patients (40%). Using the grading system of Geissler et al. , the identified lesions included a single grade I tear, three grade II, six grade III, and two grade IV. The grade III and IV lesions were accompanied by intraoperative findings of marked instability. Therefore operative stabilization was performed by temporary scapholunate and scaphocapitate arthrodesis. Seven patients in this group (87.5%) were followed up clinically and radiologically for an average of 3 years postoperatively. Clinical examination included range of motion and a subjective questionnaire concerning pain and ability to work. Objective grip strength was measured using a Jamar-tester and compared to the contralateral wrist. Radiological evaluation consisted of posteroanterior and lateral views and of stress views in radial and ulnar deviation. Data were evaluated by the scoring systems of Jakim et al. , Cooney et al.  and by the demerit point system of Gartland and Werley , as modified by Sarmiento et al. . An excellent result was present in 100% of our patients by the Gartland and Werley system, in 86% by that of Jakim et al., and in 60% by that of Cooney et al. Based on a subjective questionnaire, all of the patients had an excellent or good result.
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