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  • Title: Prosthetic replacement of the arthritic knee after patellectomy.
    Author: Cameron HU, Jung YB.
    Journal: Can J Surg; 1990 Apr; 33(2):119-21. PubMed ID: 2268810.
    Abstract:
    The results of total knee replacement with a semiconstrained prosthesis after patellectomy are poor because the stabilizing effect of the patella is lost. A series of bicompartmental unicompartmental knee replacements (five patients) carried out for this condition was compared with a series of Insall-Burstein posterior stabilized knee prostheses (six patients). If both cruciate ligaments are present the results are not notably different, but those with an Insall-Burstein prosthesis generally fared better at stair-climbing using the replaced side as the lead leg. Since the Insall-Burstein knee is technically easier to implant there seems little to recommend the bicompartmental unicompartmental prosthesis in this condition.
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