title: Cemented total hip arthroplasty revisions in patients of eighty years and older.
abstract: OBJECTIVE
  It is often a difficult decision whether it is safe to perform revision hip surgery in a patient of 80 years and older. Therefore we evaluated the results of cemented revisions in these elderly patients.
  
  
  METHODS
  Clinical data, radiographs and complications of 49 consecutive cup and/or stem revisions in 48 patients were prospectively collected. The average age of the patients at surgery was 84 years (range, 80-92). We performed Kaplan-Meier (KM) analysis and also a competing risk (CR) analysis because in this series the presence of a competing event (i.e. death) prevents the occurrence of endpoint rerevision.
  
  
  RESULTS
  Twenty-nine patients (30 hips) died without rerevision during follow-up and their data was included. The average follow-up of the 16 surviving patients was eight years (range, six to 13). Six re-operations were performed, of which three were re-revisions. Eight-year survivorship was 91.6% (95% confidence interval (CI) 76-97%) for endpoint re-revision for any reason. With the CR analysis we calculated that due to the increasing number of competing events, the KM analysis overestimates the failure rate with 32% for this endpoint. The average Harris hip score improved from 49 to 74. Mortality within three months after surgery was 6%. One postoperative fracture occurred and six hips dislocated.
  
  
  CONCLUSIONS
  Cemented revisions can provide satisfying results in patient of 80 years and older with acceptable survivorship and complication rates.
authors: Department of Orthopaedics, Radboud University Medical Center, Nijmegen, The Netherlands, Martijn.teStroet@radboudumc.nl.
authors: Martijn A J
authors: MA
authors: te Stroet
authors: Sushma A
authors: SA
authors: Ghisai
authors: J Christiaan
authors: JC
authors: Keurentjes
authors: Wim H C
authors: WH
authors: Rijnen
authors: Jean W M
authors: JW
authors: Gardeniers
authors: Albert
authors: A
authors: Van Kampen
authors: B Willem
authors: BW
authors: Schreurs
mesh_terms: D000367:Age Factors; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects* / Q000379:methods; D001843:Bone Cements; D002484:Cementation; D005260:Female; D005500:Follow-Up Studies; D006617:Hip Dislocation / Q000209:etiology / Q000601:surgery*; D006801:Humans; D008297:Male; D011475:Prosthesis Failure; D012086:Reoperation; D018570:Risk Assessment
chemical_list: D001843:Bone Cements