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Short-term outcome in total knee replacement after soft-tissue release and balancing
L Unitt1, A Sambatakakis, D Johnstone
1lynda.unitt@blueyonder.co.uk
The Journal of Bone and Joint Surgery. British Volume
|February 8, 2008
Summary
Extensive soft-tissue releases in total knee replacement showed improved short-term outcomes without complications. Balancing imbalanced knees also enhanced short-term results, leading to comparable one-year outcomes.
Area of Science:
- Orthopedic Surgery
- Biomechanical Engineering
Background:
- Total knee replacement (TKR) outcomes are influenced by surgical technique.
- Soft-tissue balancing is crucial for optimal joint function post-TKR.
Purpose of the Study:
- To investigate the impact of soft-tissue releases and balancing on TKR outcomes.
- To correlate pre-operative deformity, surgical approach, and patient-reported scores.
Main Methods:
- A cohort of 526 total knee replacements was studied.
- Data collected included pre-operative scores, extent of soft-tissue release, and post-operative scores (Oxford, American Knee Society).
- Surgeons used either traditional methods or a 'balancer' instrument for soft-tissue assessment.
Main Results:
- Differences in outcomes were observed between minimal and extensive soft-tissue releases.
- Extensive releases led to greater short-term clinical improvement without increased complications.
- Balancing imbalanced knees positively affected short-term outcomes.
Conclusions:
- Extensive soft-tissue releases can yield favorable short-term results in TKR.
- Effective soft-tissue balancing is important for improving immediate post-operative knee function.
- Surgical technique, including soft-tissue management, significantly influences TKR success.