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Responders to platelet-rich plasma in osteoarthritis: a technical analysis

TitelResponders to platelet-rich plasma in osteoarthritis: a technical analysis
Publication TypeJournal Article
Year of Publication2017
AuthorsMilants, C, Bruyère, O, Kaux, J-F
JournalBioMed research international
Volume2017
SchlüsselwörterA-PRP, Eigenbluttherapie
Abstract PURPOSE:
To evaluate the similarities and differences between the variety of platelet-rich plasma (PRP) formulations, preparation, and uses to try to determine the best responses for the treatment of knee osteoarthritis.
MATERIALS AND METHODS:
A comparison of the outcomes of randomized controlled trials (RCTs) included in the 3 most recent and high-quality meta-analyses to classify the different studies in 2 groups (bad responders group (BRG) and very good responders group (VGRG)).
RESULTS AND DISCUSSION:
From the 19 RCTs analyzed, 7 trials were included in the VGRG and 4 in the BRG. In VGRG, 1 or 2 injections were performed in 4/7 trials, time between injections was 2 to 3 weeks in 4/5 studies with many injections, volume injected varied from 2.5 to 8 mL, and single spinning technique was used in 5/7 studies. PRP classification was Mishra 4B and PAWP2Bβ in 5/7 studies. The use of PRP with leukocytes is only found in the BRG.
CONCLUSION:
There is a lack of standardization in PRP preparation technique for knee osteoarthritis. However it appears that the use of a single spinning technique, a platelet concentration lower than 5 times the baseline, and avoidance of leukocytes should be preferred.
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