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Early results ofintra-articularmicro-fragmentedlipoaspiratetreatment in patientswith late stages kneeosteoarthritis: aprospective study Damir HudetzIgor BorićEduard Rod2019 год

Early results of intra-articular micro-fragmented lipoaspirate treatment in patients with late stages knee osteoarthritis: a prospective study
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Аннотация: AimTo analyze clinical and functional effects of intra-articular injection of autologous micro-fragmented lipoaspirate (MLA) in patients with late stage knee osteoarthritis (KOA). Secondary aims included classifying cell types contributing to the treatment effect, performing detailed MRI-based classification of KOA, and elucidating the predictors for functional outcomes.MethodsThis prospective, non-randomized study was conducted from June 2016 to February 2018 and enrolled 20 patients with late stage symptomatic KOA (Kellgren Lawrence grade III, n = 4; and IV, n = 16) who received an intra-articular injection of autologous MLA in the index knee joint. At baseline radiological KOA grade and MRI were assessed in order to classify the morphology of KOA changes. Stromal vascular fraction cells obtained from MLA samples were stained with antibodies specific for cell surface markers. Patients were evaluated at baseline and 12-months after treatment with visual analog scale (VAS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and Knee Injury and Osteoarthritis Outcome Score (KOOS).ResultsThree patients (15%) received a total knee replacement and were not followed up completely. Seventeen patients (85%) showed a substantial pattern of KOOS and WOMAC improvement, significant in all accounts. KOOS score improved from 46 to 176% when compared with baseline, WOMAC decreased from 40 to 45%, while VAS rating decreased from 54% to 82% (all P values were <0.001). MLA contained endothelial progenitor cells, pericytes, and supra-adventitial adipose stromal cells as most abundant cell phenotypes.ConclusionThis study is among the first to show a positive effect of MLA on patients with late stages KOA.ISRCTN registration ID: ISRCTN13337022.
Год издания: 2019
Авторы: Damir Hudetz, Igor Borić, Eduard Rod, Željko Jeleč, Kunovac Barbara, Ozren Polašek, Trpimir Vrdoljak, Mihovil Plečko, Andrea Skelin, Denis Polančec, Lucija Zenić, Dragan Primorac
Издательство: Medicinska naklada, Zagreb
Источник: Croatian Medical Journal
Ключевые слова: Osteoarthritis Treatment and Mechanisms, Total Knee Arthroplasty Outcomes, Mesenchymal stem cell research
Другие ссылки: Croatian Medical Journal (PDF)
Croatian Medical Journal (HTML)
Europe PMC (PubMed Central) (PDF)
Europe PMC (PubMed Central) (HTML)
PubMed Central (HTML)
PubMed (HTML)