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Early knee mobilization after osteotomy for gonarthrosis
S Odenbring1, A Lindstrand, N Egund
1Lund University Department of Orthopedics, Lund, Sweden.
Acta Orthopaedica Scandinavica
|December 1, 1989
Summary
A hinged cast-brace improved knee range of motion after high tibial osteotomy compared to a cylinder plaster cast. Patients using the cast-brace reported satisfaction with early mobility and better joint function.
Area of Science:
- Orthopedic Surgery
- Biomechanics
- Rehabilitation Medicine
Background:
- High tibial osteotomy (HTO) is a surgical procedure to correct knee alignment in patients with medial compartment osteoarthritis.
- Post-operative immobilization is crucial for bone healing but can impact joint mobility and patient recovery.
- Traditional cylinder plaster casts offer immobilization but may restrict early range of motion.
Purpose of the Study:
- To compare the effectiveness of a hinged cast-brace versus a traditional cylinder plaster cast in patients undergoing high tibial osteotomy for medial gonarthrosis.
- To evaluate the impact of different post-operative immobilization methods on knee range of motion, clinical outcomes, and patient satisfaction.
Main Methods:
- A prospective study randomized 32 patients with medial gonarthrosis undergoing high tibial osteotomy to receive either a cylinder plaster cast (17 knees) or a hinged cast-brace (15 knees).
- Range of motion, osseous correction, knee alignment, and clinical results were assessed at 6 weeks, 3 months, and 1 year post-surgery.
- Patient satisfaction with early motion was also recorded.
Main Results:
- The hinged cast-brace group demonstrated significantly better knee range of motion at 6 weeks, 3 months, and 1 year post-surgery compared to the cylinder plaster cast group.
- No significant differences were observed between the groups in other clinical results at 3 months and 1 year.
- There were no differences in the changes of osseous correction or final knee alignment between the two immobilization methods.
Conclusions:
- A hinged cast-brace facilitates superior early and sustained knee range of motion following high tibial osteotomy for medial gonarthrosis compared to a cylinder plaster cast.
- While range of motion is improved, other clinical outcomes and final knee alignment are comparable between the two immobilization techniques.
- Patient satisfaction with early mobilization is higher when using a hinged cast-brace, suggesting potential benefits for rehabilitation and recovery.