Efficacy and Safety of Plasma Rich in Growth Factors Intra-Articular Infiltrations in the Treatment of Knee Osteoarthritis

Efficacy and Safety of Plasma Rich in Growth Factors Intra-Articular Infiltrations in the Treatment of Knee Osteoarthritis

Purpose

The goal of this study was to systematically review the efficacy and safety of plasma rich in growth factors (PRGF) as a treatment for reducing symptoms in patients with knee osteoarthritis.

Methods

A comprehensive and systematic literature search was conducted for PRGF treatment of knee osteoarthritis following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. All the studies had to include a PRGF group and a control group. Pre- and post-treatment measures of joint pain, reduced function, and stiffness were evaluated using the Western Ontario and McMaster Universities Osteoarthritis Index, Knee Injury and Osteoarthritis Outcome Score, International Knee Documentation Committee score, Lequesne index, or number of Outcome Measures for Rheumatology Committee and Osteoarthritis Research Society International Standing Committee for Clinical Trials Response Criteria Initiative (OMERACT-OARSI) responders, with a follow-up period of at least 4 weeks. An assessment of both the quality and risk of bias of the studies was conducted.

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