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Knee Surg Sports Traumatol Arthrosc. 2012 Sep;20(9):1831-3. doi: 10.1007/s00167-011-1787-3. Epub 2011 Nov 20.

Minimally invasive Unicondylar Knee Arthroplasty in a patellectomized patient.

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  • 1Department of Orthopaedic Surgery, Singapore General Hospital, Outram Road, Singapore 169608, Singapore.

Abstract

Patellectomized patients may have less satisfactory clinical outcomes following total knee arthroplasty due to a decreased extensor mechanism efficiency and potential instability. The literature only reports 3 case series of patients who had a previous patellectomy undergoing a Unicondylar Knee Arthroplasty (UKA) with mixed results. A Minimally Invasive fixed-bearing UKA was performed in a patellectomized patient with excellent postoperative knee stability and clinical outcomes after 5 years. MIS UKA may be a viable option for patellectomized patients with isolated medial compartment osteoarthritis and no preoperative extensor deficiency or instability. Level of evidence IV.

PMID:
22102010
[PubMed - indexed for MEDLINE]
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