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Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients
Published on: March 11, 2021
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Dual-mobility bearings for patients with abductor-trochanteric complex insufficiency
Vahit E Ozden1, Goksel Dikmen1, Burak Beksac1
1Department of Orthopaedic Surgery and Traumatology, Acibadem School of Medicine, Acibadem Maslak Hospital, Istanbul - Turkey.
Summary
Dual-mobility cups show excellent stability in revision total hip arthroplasty for patients with abductor deficiency. These systems improved patient hip scores and demonstrated a 93% survival rate at 5 years, with no dislocations observed.
Area of Science:
- Orthopedic Surgery
- Biomaterials Engineering
- Reconstructive Surgery
Background:
- Abductor-trochanteric complex deficiency presents challenges in revision total hip arthroplasty.
- Dual-mobility cup systems offer a potential solution for complex acetabular reconstructions.
Purpose of the Study:
- To evaluate the performance of dual-mobility cup systems in revision total hip arthroplasty.
- To assess outcomes in patients with abductor-trochanteric complex insufficiency.
Main Methods:
- Prospective follow-up of 17 patients (20 hips) undergoing acetabular reconstruction with dual-mobility cups.
- Indications included aseptic loosening, infection, and instability in patients with abductor insufficiency.
- Clinical Harris Hip Scores (HHS) and radiographic assessments were performed. Kaplan-Meier survivorship analysis was used.
Main Results:
- Mean follow-up was 38.1 months. Two revisions (12.5%) were required for cemented cup migration.
- No dislocations occurred. Mean HHS improved significantly from 42 to 86 points.
- The cumulative survival rate of the dual-mobility cup system was 93% at 5 years.
Conclusions:
- Dual-mobility cups demonstrate excellent stability in revision total hip arthroplasty.
- These systems are a viable option for patients with abductor-trochanteric complex insufficiency.
- Improved functional outcomes and component survival were observed.
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