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Comparative study reveals patients perform fewer sports activities after UKA

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SAN FRANCISCO — Patients resumed similar yet fewer recreational sports activities following unicompartmental knee arthroplasty surgery, according to research presented at the American Academy of Orthopaedic Surgeons 2012 Annual Meeting, here.

Jong-Keun Seon, MD, and colleagues studied the sport activities patients can participate in following unicompartmental knee arthroplasty (UKA) and high tibial osteotomy (HTO) performed to treat knee osteoarthritis. The team analyzed the results of 50 patients who underwent UKA and compared them to a similar group of 58 patients treated with opening wedge HTO using information from a questionnaire patients completed at 3 postoperative years, the Tegner activity score, the Lysholm knee score, postoperative complications, radiological results of the Kellgren-Lawrence grading system, and any changes in the femoro-tibial angle.

Although the number of physical activities patients performed prior to either surgery was similar, “After surgery, the number of recreational activities was significantly decreased in both groups, but [we found] no difference between the two groups,” Seon said.

Postoperatively, individuals in the HTO group performed 1.3 activities each, such as cycling, swimming, jogging and walking, compared to 1.6 activities each for patients in the UKA group, which was fewer sporting activities than they performed preoperatively. Seon and colleagues also looked knee range of motion, which was 130º in the UKA group and 139º in the HTO group after surgery.

“The Tegner activity score also showed no significant difference between the two groups at the last follow-up,” he said.

Reference:

• Seon J-K, Song E-KK, Park C-H, Kang K-D. Comparison of sports activity in patients with high tibial osteotomy and unicompartmental knee arthroplasty. Paper #413. Presented at the American Academy of Orthopaedic Surgeons 2012 Annual Meeting. Feb. 7-11. San Francisco.
• Disclosure: Seon has no relevant financial disclosures.

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