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Allogeneic Platelet-Rich Plasma Therapy as an Effective and Safe Adjuvant Method for Chronic Wounds

By AGE2B team
November 7, 2021
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Xuan Liao 1, Jun-Xian Liang 1, Sheng-Hong Li 1, Su Huang 1, Jian-Xin Yan 1, Li-Ling Xiao 1, Jian-Xing Song 2, Hong-Wei Liu

Main idea: The present study shows that combined treatment of chronic wounds by standard care and allogeneic platelet-rich plasma significantly shortens healing time, suggesting that allogeneic platelet-rich plasma is an effective, safe adjuvant treatment for chronic wounds.

Abstract

Background: Platelet-rich plasma (PRP) improves the healing of refractory wounds, and its application is receiving more attention in the field of wound repair. However, when a patient’s condition is very poor, it may be difficult to provide whole blood to harvest autologous PRP.

Methods: We evaluated the efficacy and safety of allogeneic PRP in the field of chronic refractory wound repair. Sixty patients (39 males and 21 females, 57 ± 10 y old) with chronic wounds were enrolled in this prospective, randomized, single-center study during January 2014 to January 2018. Their wounds were treated by standard care. The patients with chronic refractory wounds were divided into allogeneic PRP treatment and control groups on the basis of the presence or absence of allogeneic PRP in wounds after debridement, respectively. Allogeneic PRP was prepared by collecting whole blood from healthy individuals and two-step centrifugation. Clinical effects were evaluated by visually observing wound conditions and objectively assessing wound surfaces.

Results: After 30 d of treatment, the allogeneic PRP-treated group showed bright red granulation that bled easily with reduced inflammatory exudation. No rejection reactions were observed. The rate of chronic wound healing was much faster in the allogeneic PRP-treated group than that in the control group.

Source NIH

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