Abstract
Allogeneic platelet-rich plasma (al-PRP) is gaining attention in clinical practice for treating chronic refractory wounds, though research results remain controversial. To assess the clinical efficacy of al-PRP for chronic refractory wounds. Databases including PubMed, Cochrane Library, Embase, CNKI, SinoMed, VIP, and WFPD were searched for randomized controlled trials comparing al-PRP with conventional treatments up to October 2023. Two researchers independently screened studies, extracted data, and assessed quality. Statistical analysis was conducted using RevMan 5.4, and potential publication bias was assessed and corrected using funnel plots and Egger’s test. Twelve studies with 717 cases were included. Meta-analysis showed al-PRP significantly improved outcomes compared to non-al-PRP treatments: increased healing rate (RR 2.72, 95% CI 1.77–4.19, p < 0.00001), shortened healing time (SMD − 1.03, 95% CI -1.31 to -0.75, p < 0.00001), improved efficacy rate (RR 1.19, 95% CI 1.10–1.28, p < 0.00001), increased wound shrinkage (MD 35.65%, 95% CI 21.65–49.64, p < 0.00001), and reduced hospital stays (MD -2.62, 95% CI -4.35 to -0.90, p = 0.003). Al-PRP is a feasible, effective, and safe biological therapy for chronic refractory wounds.Trial registration: PROSPERO Identifier CRD42022374920.
Published Version
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