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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Are Vascularized Periosteal Flaps Useful for the Treatment of Difficult Scaphoid Nonunion in Adults? A Prospective Cohort Study of 32 Patients.
    Author: Barrera-Ochoa S, Martin-Dominguez LA, Campillo-Recio D, Alabau-Rodriguez S, Mir-Bullo X, Soldado F.
    Journal: J Hand Surg Am; 2020 Oct; 45(10):924-936. PubMed ID: 32773167.
    Abstract:
    PURPOSE: To evaluate clinical and radiological outcomes after surgical treatment of difficult scaphoid nonunion in adults with a vascularized thumb metacarpal periosteal pedicled flap (VTMPF). MATERIALS AND METHODS: Thirty-two patients at least 18 years old, with scaphoid nonunion and characteristics associated with a poor prognosis, who underwent a VTMPF procedure, were included in this retrospective cohort study with a mean follow-up of 17 months. Factors associated with a poor prognosis were a delay in presentation of over 5 years, the presence of avascular necrosis, and previous nonunion surgery. All patients had at least 1 poor prognostic factor and 25% had 2 or more. RESULTS: In 30 men and 2 women, the mean age was 36 years (range, 19-56 years). There were 11 type D3 nonunions (Herbert classification) and 15 type D4. Five patients had delayed presentation of over 5 years. Fourteen patients had previously undergone an unsuccessful surgical attempt to treat their nonunion. The patients experienced no postoperative complications. Overall union rate was 97% (31 of 32 patients), with 72% cross-sectional trabecular percentage bridging at 12 weeks. Pain subsided after surgery and patients experienced improvements in both their Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) and Modified Mayo Wrist Score (MMWS). Overall 41% and 42% gains in strength and wrist motion, relative to the contralateral normal side, were observed. At final follow-up, there were no differences between the treated and the untreated (healthy) hands, in terms of wrist range of motion, grip, or pinch strength. CONCLUSIONS: In this study, the use of VTMPF for difficult scaphoid nonunion in adults was associated with good general outcomes. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
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