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Prospective randomised study comparing screw versus helical blade in the treatment of low-energy trochanteric fractures

Stern, Richard ; Lübbeke, Anne ; Suva, Domizio ; Miozzari, Hermes ; Hoffmeyer, Pierre

In: International Orthopaedics, 2011, vol. 35, no. 12, p. 1855-1861

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    Titre
    • Prospective randomised study comparing screw versus helical blade in the treatment of low-energy trochanteric fractures
    Auteur
    • Stern, Richard. Division of Orthopaedics and Trauma Surgery, University Hospitals of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland
    • Lübbeke, Anne. Division of Orthopaedics and Trauma Surgery, University Hospitals of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland
    • Suva, Domizio. Division of Orthopaedics and Trauma Surgery, University Hospitals of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland
    • Miozzari, Hermes. Division of Orthopaedics and Trauma Surgery, University Hospitals of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland
    • Hoffmeyer, Pierre. Division of Orthopaedics and Trauma Surgery, University Hospitals of Geneva, 4, rue Gabrielle-Perret-Gentil, 1211, Geneva, Switzerland
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • International Orthopaedics, 2011, vol. 35, no. 12, p. 1855-1861. Springer-Verlag
    Autre version électronique
    Classification
    • Santé
    Identifiant OAI-PMH
    • oai:doc.rero.ch:320531
    Summary
    Purpose: The purpose of this study was to compare femoral head placement, rates of reoperation and cephalic implant cut-out of a screw versus a blade for patients over age 60 with low energy trochanteric fractures (AO/OTA 31-A1, A2, and A3) treated either with sliding hip screw or cephalomedullary nail. Methods: After surgeon selection of either hip screw or nail, hip screw patients were randomised to either a DHS (dynamic hip system screw) or DHS blade (dynamic hip system blade), while nail patients were randomised to either a Gamma3 Trochanteric Nail or a PFNA (proximal femoral nail antirotation). This resulted in a screw group (DHS and Gamma nail), and a blade group (DHS blade and PFNA). Outcome measures included tip-apex distance and zone location of the cephalic implant, as well as reoperation and implant cut-out within the first postoperative year. Results: A total of 335 patients were randomised, 172 to a screw and 163 to a blade. There was no significant difference concerning mean tip-apex distance, percentage of patients with a tip-apex distance >25mm, and patients with a centre-centre position of the cephalic implant. There were 137 patients in the screw group and 132 in the blade group available for follow-up. They did not differ regarding rates of reoperation or cut-out (screw group = 2.9%; blade group = 1.5%). Conclusions: Both a screw and a blade performed equally well in terms of implant placement in the femoral head and outcome