Sports Activity Following Total Knee Arthroplasty in Patients Older than 60 Years

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Abstract

In a retrospective study with a population over 65 years, sports activity was conducted 6 years after cruciate retaining (CR) total condylar knee arthroplasty (TKA) with rotating platform (RP). Eighty-one Patients (71.8 ±5.4 years) were examined at follow-up 6.4 ± 0.9 years postoperative. Sport was practiced 5.3 hours every week in mean. Patients were active in sports 3.5 times per week. Twenty-five percent performed high impact sports, 47% medium impact sports and 52% low impact sports at follow-up. In KOOS sports 60 ± 28 was reached, in WOMAC 12.1 ± 15.1. It can be concluded that in this population 50% of patients were active in medium and low impact sport 6 years after surgery. However, a quarter of patients were also active in high impact sports.

Section snippets

Material and Methods

In a retrospective follow-up clinical study, performed from November 2010 to September 2013, sports activity of 81 patients from an Alpine area was explored. Ninety-seven percent of these patients were sports active during live time. Patients were examined and questioned 6.4 ± 0.9 years after implantation of a total knee arthroplasty.

IRB admittance for the study has been obtained from the ethics committee of Freiburg University authorities November 16th 2010, admission number 346/10.

Included were

Results

A total of 74 patients (91.4 %) showed no effusion during clinical examination. Medial laxity was 2.8 ± 0.8 mm and lateral laxity was 2.6 ± 0.7 mm measured in 30° knee flexion. Evaluation of the range of motion of the investigated knee joints showed an average extension/flexion of 2° ± 1.1°/0°/120° ± 9.7°.

Discussion

According to literature patients younger than 60 years are showing higher sports activity compared to older individuals [13]. To reach a relatively homogenous group in possible sports activity the age group for the present study was selected between 60 and 80 years of life.

The current study shows that patients have taken up the previously applied sports to a large degree 6 years after total knee arthroplasty. At 1 year preoperative low-impact sports were preferred, and high-impact sports were

Conclusion

It can be concluded that in the selected study population 50% of patients were active in medium and low impact sports 6 years after total knee arthroplasty. A quarter of the patients were even active in high impact sports. At this time no individual showed evident signs of wear or component loosening. The long-term effect of high sports activity on the survival time of the prosthesis still remains unclear.

Conflict of Interest statements

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Acknowledgment

The work group wants to thank the Alwin Jaeger foundation (AJS) for its support of the present study.

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    The Conflict of Interest statement associated with this article can be found at http://dx.doi.org/10.1016/j.arth.2014.08.021.

    1

    OCM-Clinic of Orthopaedic and Trauma Surgery, Department of Knee Surgery, Steinerstr. 6, 81369 Munich, Germany.

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