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The following sources of data were used for identification of first-time revision for any reason.
The patients in this cohort were then followed until death, emigration, or first-time revision.
In patients with first-time revision hip arthroplasty done for aseptic loosening, the WOMAC, SF-36, and EQ-5D showed high responsiveness in measuring patient-reported outcomes and the simple VAS for pain performed equally well.
We wanted to compare the responsiveness of patient-reported outcome measures following revision hip arthroplasty in a well-defined patient group, and therefore included only patients with aseptic loosening who underwent first-time revision.
The aim of this study was to determine the "true" incidence of first-time revision due to PJI following primary THA using several data sources, and to compare it with that derived from single registries.
The inclusion criteria were patients with hip osteoarthritis aged 60 years or older; aseptic prosthetic loosening following a primary total hip arthroplasty; first-time revision (replacement of the stem, cup, or of both components); surgery performed during a 2-year period (March 2006 through February 2008); and a minimum follow-up of 2 years.
In a study of revision hip arthroplasty (Dawson et al. 2001), the mean change in EQ-5D index from preoperatively to 1 year after first-time revision in 128 patients was 0.29, which is less than the improvement shown in our study.
Another limitation was that only first-time revisions were included.
First-time revisions were defined as the earliest registered revision after primary THA.
Of these, 1,546 had first-time revisions reported to the DHR and/or the NRP.
First-time revisions were identified using the DHR or the National Register of Patients (NRP).
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