Functional Outcomes in High-function-demand patients after total knee arthroplasty

Orthopedics
Santiago A Lozano CalderónSteven B Zelicof

Abstract

Total knee arthroplasty is a safe last-resort treatment for osteoarthritis that has excellent results in low-function-demand elderly patients. Current implants offer the same results in high-function-demand patients. However, supportive data do not exist.One-year Krackow Activity Scores (KAS) of 552 patients from 2 prospective studies were used to retrospectively determine low- and high-function-demand populations. Low function demand was defined as a KAS between 1 and 9 points, and high function demand was defined as a KAS between 10 and 18 points. Patients were assessed preoperatively and at 6 weeks, 3 months, and 1 and 2 years postoperatively per the Knee Society Score-function domain, KAS, SF-36, range of motion, and pain. Comparability between groups was tested for demographics and comorbidities.Both groups showed significant improvement in function, range of motion, and pain 2 years postoperatively. High-function-demand patients had comparable improvement in function compared with low-function-demand patients. Excellent function can be achieved in high-function-demand patients.

References

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Citations

Jul 5, 2013·Orthopedics·Steven F HarwinMichael A Mont
Mar 26, 2013·The Journal of Arthroplasty·Justin S RothMarybeth Naughton
Feb 2, 2013·Clinical Orthopaedics and Related Research·Young Gon NaTae Kyun Kim
Jul 20, 2021·The Journal of Arthroplasty·Said Mohamad SayahDaniel Steffens

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