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Aging Clin Exp Res. 2011 Apr;23(2 Suppl):78-80.

Total knee arthroplasty in elderly osteoporotic patients.

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II Orthopaedic and Traumatologic Clinic, University of Bari "Aldo Moro", Italy.


Often in daily practice the choice of a prosthesis does not rise out of considerations about literature evidences, but it seems to be related to the personal experience and "surgical philosophy" of surgeon. The choice of prosthesis in total joint replacement is usually justified by biological and mechanical parameters that the surgeon considers before surgery. Osteoporosis is a disease characterized by a reduced bone mass and a degeneration of the bone tissue; it leads to bone fragility, so to a higher risk of fractures. Bone resistance, as all the changes in the microarchitecture of the bone tissue, is linked to bone density. Because of the bone density variation and/or the changes in the bone micro-architecture, as the bone strength decreases, the risk of fractures increases. It is important to understand all the factors taking part in both normal and abnormal bone remodelling. Osteoporosis does not imply a concrete bone loss, but a change of the bone micro-architecture itself. In these cases the choice of the patient and implant design are very important. In the period between March 1997-July 2002, we implanted 100 consecutive TKA (total knee arthroplasty) Genesis II in 97 subjects (79 female); mean age was 77.1 years old. All TKA were performed because of primary osteoarthritis of the knee. All patients had complete pain relief and excellent knee score. The surgical and medical complications were in accordance with the published literature. We must consider all existing medical conditions, the state of the knee and local needs of the elderly patient. Thus, within these limits, the total knee can improve the ability of patients to manage the activities of daily living and improve their quality of life.

[Indexed for MEDLINE]

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