PINTAT, J.; SILVESTRE, A.; MAGALON, G.; GADEAU, Alain-Pierre; PESQUER, L.; PEROZZIELLO, A.; PEUCHANT, A.; MOUNAYER, C.; DALLAUDIÈRE, B.

doi:10.1016/j.jvir.2017.08.004

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J Vasc Interv Radiol. 2017, vol. 28, p. 1708–1713

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PURPOSE: To assess the feasibility and safety of concomitant intra-articular (IA) knee injection of mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) under fluoroscopic guidance to treat patellofemoral osteoarthritis (OA). MATERIALS AND METHODS: This prospective study included 19 consecutive patients referred for fluoroscopically guided IA MSC and PRP injection for symptomatic patellofemoral chondropathy in which conservative treatment had failed. Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score and magnetic resonance (MR) data, including T2 mapping sequence, were prospectively collected before and 6 months after treatment. Clinical data without MR imaging were collected until 12 months after the procedure. RESULTS: WOMAC scores were significantly lower after IA injection of MSCs and PRP at 6 months and during 12-months follow-up compared with baseline (mean score decreased from 34.3 to 14.2; P \textless .0018). Patients reported no complications. Concerning MR imaging follow-up, there were no significant differences in grade, surface, or T2 value of the chondral lesions (P \textgreater .375). CONCLUSIONS: IA injection of MSCs and PRP in early patellofemoral OA appears to allow functional improvement. Copyright © 2017 SIR. Published by Elsevier Inc. All rights reserved.< Réduire

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Intra-articular Injection of Mesenchymal Stem Cells and Platelet-Rich Plasma to Treat Patellofemoral Osteoarthritis: Preliminary Results of a Long-Term Pilot Study.

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