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  • Title: The impacts of pre-surgery wait for total knee replacement on pain, function and health-related quality of life six months after surgery.
    Author: Desmeules F, Dionne CE, Belzile ÉL, Bourbonnais R, Frémont P.
    Journal: J Eval Clin Pract; 2012 Feb; 18(1):111-20. PubMed ID: 21040250.
    Abstract:
    OBJECTIVE: The purpose of the current study was to assess, in patients scheduled for primary total knee replacement (TKR), the effects of pre-surgery waiting time on pain and functional limitations related to the knee joint undergoing surgery, on health-related quality of life (HRQoL) and on contralateral knee pain 6 months after surgery. METHOD: A total of 141 patients scheduled for TKR were recruited from three hospitals in Quebec City, Canada, and followed up until 6 months after surgery. Pre-surgery wait, defined as the time between enrolment on the pre-surgery waiting list and surgery, was considered in four categories (≤3, >3-6, >6-9, >9 months). Pain and functional limitations were measured with the Western Ontario and McMaster Osteoarthritis Index (WOMAC). HRQoL was measured with the SF-36. RESULTS: Mean pre-surgery waiting time was 184 (SD: 120.8) days. Six months after TKR, a significant difference was seen between the four groups of pre-surgery wait in terms of HRQoL SF-36 role physical [F(3, 136) = 2.74, P = 0.046] and contralateral knee WOMAC pain [F(3, 136) = 5.78, P = 0.0009] scores. Participants with the longest pre-surgery wait (>9 months) showed the worst scores 6 months after TKR. CONCLUSIONS: Longer pre-surgery waiting time had a negative clinically important impact on HRQoL and contralateral knee pain 6 months after surgery.
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