Reported balance confidence and movement reinvestment of younger knee replacement patients are more like younger healthy individuals, than older patients

Publication date: March 2018
Source:Gait & Posture, Volume 61
Author(s): Brian D. Street, Allan Adkin, William Gage
This study focused on differences between the rapidly growing younger (<65 years old) and older (>65 years old) total knee replacement (TKR) patients for measures of balance confidence, movement reinvestment, and functional mobility. Fifty-nine participants, including twenty-nine primary unilateral TKR patients (six months post-TKR) formed the four experimental groups: 1) Younger TKR Patient (YP), 2) Younger Control (YC), 3) Older TKR Patient (OP), and 4) Older Control (OC). The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), the Oxford Knee Score (OKS), Activities-specific Balance Confidence scale (ABC), the Movement-Specific Reinvestment Scale (MSRS), and the Timed Up and Go (TUG) test were measured. The YP group reported a significantly lower WOMAC score (p < 0.001), and higher perceived knee joint function (p = 0.001), compared to the OP group. The YP group also reported significantly higher balance confidence (p < 0.001) and less movement reinvestment (p = 0.001) than the OP group. TUG durations revealed that the YP group had significantly higher functional mobility compared to the OP group (p = 0.001). The YP group did not differ from the YC group across any of these measures (p > 0.05). These results identify a clear distinction between younger and older TKR patients for fall risk and TKR outcome, which argues that age should be a factor clinicians take into account when addressing the management and care of individuals recovering from TKR.



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