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HemiCAP Knee Implants: Mid- to Long-Term Results.
Jens Ole Laursen1,2,3, Christian Backer Mogensen1,3, Helene Skjøt-Arkil1,3
1Department of Emergency Medicine, Hospital of Southern Jutland, Sydals, Denmark.
Cartilage
|December 24, 2019
Summary
The Focal Femoral Condyle Resurfacing Prosthesis (HemiCAP) shows good long-term outcomes with improved function and reduced pain. Careful patient selection is crucial for successful HemiCAP application.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Femoral condyle resurfacing aims to preserve bone stock and restore joint function.
- The HemiCAP prosthesis is designed for focal femoral resurfacing, addressing specific areas of cartilage damage.
Purpose of the Study:
- To assess the long-term clinical and radiographic outcomes of the HemiCAP prosthesis.
- To determine the revision and survival rates associated with HemiCAP implantation.
Main Methods:
- Prospective single-center cohort study with 7-10 years of follow-up.
- Clinical assessment using Knee Society Score (KSS) and Visual Analogue Scale (VAS).
- Radiographic assessment with Kellgren-Lawrence (KL) grade; survival analysis via Kaplan-Meier.
Main Results:
- Significant improvements in KSS objective and function scores post-implantation.
- Significant decrease in VAS pain scores and KL lateral scores.
- No implant failures observed beyond 5 years, with a mean follow-up of 7.3 years.
Conclusions:
- The HemiCAP prosthesis demonstrates favorable long-term clinical and radiographic results.
- Patients achieving good outcomes experienced long-term improvements in function and reduced disability.
- Effective patient selection is identified as a critical factor for successful HemiCAP use.
