12-year survival analysis of 322 Hintegra total ankle arthroplasties from an independent center.
Background and purpose — Total ankle arthroplasties (TAAs) have larger revision rates than hip and knee implants. We examined the survival rates of our primary TAAs, and what different factors, including the cause of arthritis, affect the success and/or revision rate. Patients and methods — From 200...
| Publicado en: | Acta Orthopaedica Vol. 91; no. 4; pp. 444 - 450 |
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| Autores principales: | , , , , |
| Formato: | diagnostic images research tables/charts Journal Article |
| Publicado: |
Medical Journals Sweden AB
Aug2020
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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=145302459&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 145302459 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 17453674 1BVL jtl: Acta Orthopaedica issn: 17453674 maglogo: N pubinfo: dt: Aug2020 vid: 91 iid: 4 pid: 59195 pub: Medical Journals Sweden AB artinfo: ui: 145302459 145302459 145570383 145302459 10.1080/17453674.2020.1751499 145302459 ppf: 444 ppct: 6 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: 12-year survival analysis of 322 Hintegra total ankle arthroplasties from an independent center. aug: au: Zafar, Mina Jane Kallemose, Thomas Benyahia, Mostafa Ebskov, Lars Bo Penny, Jeannette Østergaard affil: Department of Orthopedic Surgery, Hvidovre University Hospital, Denmark sug: subj: Arthroplasty, Replacement, Ankle Equipment and Supplies Orthopedic Prosthesis Treatment Outcomes Human Survival Analysis Cox Proportional Hazards Model Socioeconomic Factors Reoperation ab: Background and purpose — Total ankle arthroplasties (TAAs) have larger revision rates than hip and knee implants. We examined the survival rates of our primary TAAs, and what different factors, including the cause of arthritis, affect the success and/or revision rate. Patients and methods — From 2004 to 2016, 322 primary Hintegra TAAs were implanted: the 2nd generation implant from 2004 until mid-2007 and the 3rd generation from late 2007 to 2016. A Cox proportional hazards model evaluated sex, age, primary diagnosis, and implant generation, pre- and postoperative angles and implant position as risk factors for revision. Results — 60 implants (19%) were revised, the majority (n = 34) due to loosening. The 5-year survival rate (95% CI) was 75% (69–82) and the 10-year survival rate was 68% (60–77). There was a reduced risk of revision, per degree of increased postoperative medial distal tibial angle at 0.84 (0.72–0.98) and preoperative talus angle at 0.95 (0.90–1.00), indicating that varus ankles may have a larger revision rate. Generation of implant, sex, primary diagnosis, and most pre- and postoperative radiological angles did not statistically affect revision risk. Interpretation — Our revision rates are slightly above registry rates and well above those of the developer. Most were revised due to loosening; no difference was demonstrated with the 2 generations of implant used. Learning curve and a low threshold for revision could explain the high revision rate. pubtype: Academic Journal doctype: diagnostic images research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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