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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Vascularized Transfer of Second Metacarpal Base for Treatment of Capitate Osteonecrosis.
    Author: Leis A, Tiourin E, Geissler J, Stevanovic M.
    Journal: J Am Acad Orthop Surg Glob Res Rev; 2024 Aug 01; 8(8):. PubMed ID: 39162739.
    Abstract:
    BACKGROUND: Capitate osteonecrosis is a rare condition that mainly presents in young patients with chronic wrist pain. Treatment aims to address pain, arthritic changes, or carpal instability. METHODS: We present the surgical technique and outcomes of using a vascularized pedicled second metacarpal base transferred on the second dorsal metacarpal artery to treat capitate osteonecrosis in a 20-year-old female secretary, former gymnast, and a 25-year-old female student with acute lymphoblastic leukemia. These patients presented with idiopathic chronic wrist pain with MRI showing capitate osteonecrosis with preserved carpal height and intact articular cartilage. RESULTS: After 2 years of follow-up, both patients endorsed pain resolution and demonstrated preservation of wrist motion and grip strength with evidence of capitate healing on plain radiographs. Case 1 demonstrated grip strength 60 lbs., pinch strength 5 lbs., and wrist flexion-extension arc of 70 to 80°. Case 2 had grip strength 31 lbs., pinch strength 9 lbs., and wrist flexion-extension arc of 40 to 30° on the left. CONCLUSION: Vascularized pedicled second metacarpal base transferred on the second dorsal metacarpal artery can be successfully used in the management of capitate osteonecrosis and offers advantages over other vascularized bone grafts for capitate osteonecrosis.
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