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Do young, active patients perceive advantages after surface replacement compared to cementless total hip
Robert L Barrack1, Erin L Ruh, Michael E Berend
1Department of Orthopaedic Surgery, Washington University School of Medicine/Barnes-Jewish Hospital, Washington University School of Medicine, One Barnes-Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO, 63110, USA, barrackr@wustl.edu.
Surface replacement arthroplasty (SRA) offers young, active hip replacement patients better outcomes than traditional total hip arthroplasty (THA). Patients receiving SRA reported fewer limps, less thigh pain, and higher activity levels post-surgery.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Rehabilitative medicine
Background:
- Surface replacement arthroplasty (SRA) is suggested to offer advantages over total hip arthroplasty (THA), including reduced limp, thigh pain, and limb length discrepancy, alongside higher activity levels.
- These potential benefits of SRA have not been definitively confirmed in comparative studies.
Purpose of the Study:
- To determine if patients undergoing SRA experience less limp, thigh pain, or limb length discrepancy compared to those undergoing THA.
- To assess whether SRA patients exhibit higher activity levels than THA patients.
Main Methods:
- A multicenter study surveyed 806 patients (aged 18-60) with high premorbid activity who had undergone either cementless THA (n=682) or SRA (n=124) for noninflammatory arthritis.
- Patients were assessed via telephone surveys for limp, thigh pain, limb length perception, and activity levels, with a minimum follow-up of 1 year (mean 2.3 years).
Main Results:
- Controlled for confounding factors, SRA patients showed a higher incidence of no limp, lower thigh pain, and less perceived limb length discrepancy.
- SRA patients demonstrated greater walking endurance, a higher percentage ran post-surgery, covered greater running distances, and returned to favored recreational activities more frequently.
Conclusions:
- Young, active patients receiving SRA reported superior functional outcomes compared to similar patients undergoing THA.
- SRA is associated with fewer symptoms and reduced perception of limb length discrepancy, indicating enhanced patient satisfaction and function.
