Reliable patient-reported outcome measure and survivorship of UKA for primary spontaneous osteonecrosis

European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie
Takao KanekoYoshiro Musha

Abstract

Primary Spontaneous osteonecrosis of the knee (SPONK) was a result of a subchondral insufficiency fracture based on histopathological examinations. There were few studies examining patients who underwent unicompartmental knee arthroplasty (UKA) for the treatment of primary SPONK. The aim of this study was to investigate (1) patient-reported outcome measure (PROM), (2) survivorship of revision as end point and (3) survivorship of complication as end point in patients with primary SPONK. The clinical examinations of a consecutive series of 61 medial UKAs for primary SPONK of the medial femoral condyle from 2008 to 2012 were evaluated retrospectively at our institution. There were 18 males and 43 females with a mean age of 73.7 years (60-91). In all patients, preoperative radiographs were analyzed according to the stage of primary SPONK. We conducted Kaplan-Meier survival analyses using revision and complications for any reasons as the end point. Mean follow-up was 6.6 years (range 6-10). UKA using Physica ZUK (LIMA Corporate. UD, Italy) for SPONK improved patients' 2011 Knee Society symptom score, patient satisfaction, patient activities, EQ-5D and postoperative ranges of motion compared with their preoperative status (P < 0.01)....Continue Reading

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Citations

Feb 3, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Joost A BurgerAndrew D Pearle
Feb 26, 2021·Archives of Orthopaedic and Trauma Surgery·Mei Lin TaySimon W Young
Apr 3, 2021·Acta ortopedica brasileira·Tomoyuki KamenagaKoji Okamoto
Jun 24, 2021·Journal of Surgical Case Reports·Marcus Vinicius DanieliGuilherme José Miyasaki Piovesana

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