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Temporospatial parameters of hip replacement patients ten years post-operatively
D Bennett1, L Humphreys, S O'Brien
1Outcomes Assessment Unit, Musgrave Park Hospital, Belfast, Northern Ireland, UK. damien.bennett.mph@hotmail.com
International Orthopaedics
|August 13, 2008
Summary
Even younger patients who underwent total hip arthroplasty (THA) do not regain normal walking abilities long-term. This study found persistent deficits in speed, step length, and stride length in THA patients at ten-year follow-up.
Area of Science:
- Orthopedics
- Biomechanics
- Gait Analysis
Background:
- Short-term studies after total hip arthroplasty (THA) indicate impaired walking.
- It is commonly presumed that gait parameters normalize by long-term follow-up, particularly in younger individuals.
Purpose of the Study:
- To investigate long-term temporospatial gait parameters in patients following THA.
- To determine if younger THA patients regain normal walking characteristics at ten-year follow-up.
Main Methods:
- Temporospatial gait parameters (speed, step length, stride length, cadence) were measured in 149 THA patients.
- Patients were stratified into five age groups (54-64, 65-69, 70-74, 75-79, and 80+ years).
- Data were compared against an age-matched healthy control group.
Main Results:
- All age groups exhibited significantly reduced velocity, step length, and stride length compared to controls.
- No significant differences in most temporospatial parameters were observed between the different age groups.
- Gait deficits persisted across all evaluated age demographics at ten-year follow-up.
Conclusions:
- Long-term follow-up reveals that THA patients, including younger ones, do not fully recover normal walking characteristics.
- Compromised gait parameters persist a decade after total hip arthroplasty.
- Age does not appear to be a significant factor in the normalization of gait post-THA.