Minimally invasive computer-navigated total hip arthroplasty, following the concept of femur first and combined anteversion: design of a blinded randomized controlled trial.
Background: Impingement can be a serious complication after total hip arthroplasty (THA), and is one of the major causes of postoperative pain, dislocation, aseptic loosening, and implant breakage. Minimally invasive THA and computer-navigated surgery were introduced several years ago. We have devel...
| Publicado en: | BMC Musculoskeletal Disorders Vol. 12; no. 1; pp. 192 - 193 |
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| Autores principales: | , , , , , , , , , , , , , , |
| Formato: | research randomized controlled trial Journal Article |
| Publicado: |
BioMed Central
2011
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104585855&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104585855 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 14712474 1CI5 jtl: BMC Musculoskeletal Disorders issn: 14712474 maglogo: N pubinfo: dt: 2011 vid: 12 iid: 1 pid: 24147 pub: BioMed Central artinfo: ui: 104585855 NLM21854588 2011302279 10.1186/1471-2474-12-192 NLM21854588 PMC3180441 104585855 ppf: 192 ppct: 1 formats: tig: atl: Minimally invasive computer-navigated total hip arthroplasty, following the concept of femur first and combined anteversion: design of a blinded randomized controlled trial. aug: au: Renkawitz, Tobias Haimerl, Martin Dohmen, Lars Gneiting, Sabine Wegner, Melanie Ehret, Nicole Buchele, Claudia Schubert, Mario Lechler, Philipp Woerner, Michael Sendtner, Ernst Schuster, Tibor Ulm, Kurt Springorum, Robert Grifka, Joachim affil: Department of Orthopaedic Surgery, Regensburg University Medical Center, Germany. t.renkawitz@asklepios.com. sug: subj: Arthroplasty, Replacement, Hip Methods Femur Surgery Patient Positioning Methods Therapy, Computer Assisted Minimally Invasive Procedures Aged Double-Blind Studies Female Femur Physiology Hip Joint Physiology Human Male Middle Age Intraoperative Period Range of Motion Rotation Aged: 65+ years Middle Aged: 45-64 years Female Male ab: Background: Impingement can be a serious complication after total hip arthroplasty (THA), and is one of the major causes of postoperative pain, dislocation, aseptic loosening, and implant breakage. Minimally invasive THA and computer-navigated surgery were introduced several years ago. We have developed a novel, computer-assisted operation method for THA following the concept of "femur first"/"combined anteversion", which incorporates various aspects of performing a functional optimization of the cup position, and comprehensively addresses range of motion (ROM) as well as cup containment and alignment parameters. Hence, the purpose of this study is to assess whether the artificial joint's ROM can be improved by this computer-assisted operation method. Second, the clinical and radiological outcome will be evaluated.Methods/design: A registered patient- and observer-blinded randomized controlled trial will be conducted. Patients between the ages of 50 and 75 admitted for primary unilateral THA will be included. Patients will be randomly allocated to either receive minimally invasive computer-navigated "femur first" THA or the conventional minimally invasive THA procedure. Self-reported functional status and health-related quality of life (questionnaires) will be assessed both preoperatively and postoperatively. Perioperative complications will be registered. Radiographic evaluation will take place up to 6 weeks postoperatively with a computed tomography (CT) scan. Component position will be evaluated by an independent external institute on a 3D reconstruction of the femur/pelvis using image-processing software. Postoperative ROM will be calculated by an algorithm which automatically determines bony and prosthetic impingements.Discussion: In the past, computer navigation has improved the accuracy of component positioning. So far, there are only few objective data quantifying the risks and benefits of computer navigated THA. Therefore, this study has been designed to compare minimally invasive computer-navigated "femur first" THA with a conventional technique for minimally invasive THA. The results of this trial will be presented as soon as they become available.Trial Registration Number: DRKS00000739. pubtype: Academic Journal doctype: research randomized controlled trial Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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