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Five-year results of cervical disc prostheses in the SWISSspine registry

Aghayev, Emin ; Bärlocher, Christian ; Sgier, Friedrich ; Hasdemir, Mustafa ; Steinsiepe, Klaus ; Wernli, Frank ; Porchet, François ; Hausmann, Oliver ; Ramadan, Aymen ; Maestretti, Gianluca ; Ebeling, Uwe ; Neukamp, Michal ; Röder, Christoph

In: European Spine Journal, 2013, vol. 22, no. 8, p. 1723-1730

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    Titre
    • Five-year results of cervical disc prostheses in the SWISSspine registry
    Auteur
    • Aghayev, Emin. Institute for Evaluative Research in Orthopedic Surgery, University of Bern, Stauffacherstrasse 78, 3014, Bern, Switzerland
    • Bärlocher, Christian. Stephanshorn Hospital, Brauerstrasse 95, 9016, St. Gallen, Switzerland
    • Sgier, Friedrich. St. Anna Clinic, St. Anna-Strasse 32, 6006, Luzern, Switzerland
    • Hasdemir, Mustafa. Salem Hospital, Schänzlistrasse 39, 3000, Bern, Switzerland
    • Steinsiepe, Klaus. Lindenhof Hospital, Bremgartenstrasse 119, 3001, Bern, Switzerland
    • Wernli, Frank. Salem Hospital, Schänzlistrasse 39, 3000, Bern, Switzerland
    • Porchet, François. Schulthess Klinik, Lengghalde 2, 8008, Zurich, Switzerland
    • Hausmann, Oliver. St. Anna Clinic, St. Anna-Strasse 32, 6006, Luzern, Switzerland
    • Ramadan, Aymen. Clinique La Colline, Avenue de Beau-Séjour 6, 1206, Genèva, Switzerland
    • Maestretti, Gianluca. Hôpital Cantonal de Fribourg, 1708, Fribourg, Switzerland
    • Ebeling, Uwe. Lindenhof Hospital, Bremgartenstrasse 119, 3001, Bern, Switzerland
    • Neukamp, Michal. Institute for Evaluative Research in Orthopedic Surgery, University of Bern, Stauffacherstrasse 78, 3014, Bern, Switzerland
    • Röder, Christoph. Institute for Evaluative Research in Orthopedic Surgery, University of Bern, Stauffacherstrasse 78, 3014, Bern, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • European Spine Journal, 2013, vol. 22, no. 8, p. 1723-1730. Springer Berlin Heidelberg
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:311150
    Summary
    Background: The Swiss Federal Office of Public Health demanded a nationwide HTA-registry for cervical total disc arthroplasty (TDA), to decide about its reimbursement. The goal of the SWISSspine registry is to generate evidence about the safety and efficiency of cervical TDA. Materials and methods: Three hundred thirty-two cases treated between 3.2005 and 6.2006 who were eligible for 5years follow-ups were included in the study. Follow-up rates for 3-6months, 1, 2 and 5years were 84.6, 74.4, 50.6 and 64.8%, respectively. Outcome measures were neck and arm pain, medication, quality of life, intraoperative and postoperative complication and revision rates. In addition, segmental mobility, ossification, adjacent and distant segment degeneration were analyzed at the 5-year follow-up. Results: There was significant, clinically relevant and lasting reduction of neck (preop/postop 60/21 VAS points) and arm pain (preop/postop VAS 67/17) and a consequently decreased analgesics consumption and quality of life improvement (preop/postop 0.39/0.82 EQ-5D points) until the 5-year follow-up. The rates for intraoperative and early postoperative complications were 0.6 and 7.2%, respectively. In 0.6% an early and in 3.9% a late revision surgery was performed. At the 5-year follow-up, the average range of motion of the mobile segments (88.2%) was 10.2°. In 40.7% of the patients osteophytes at least potentially affecting range of motion were seen. Conclusions: Cervical TDA appeared as safe and efficient in long-term pain alleviation, consequent reduction of pain killer consumption and in improvement of quality of life. The improvement is stable over the 5years postoperative period. The vast majority of treated segments remained mobile after 5years, although 40.7% of patients showed osteophytes