Platelet-rich plasma combined with negative pressure for chronic refractory wounds: a meta-analysis

doi:10.3969/j.issn.2095-4344.2642

Abstract

Abstract:

BACKGROUND: Platelet-rich plasma and negative pressure drainage therapy have been widely used and achieved good clinical outcomes in the treatment of various chronic wounds. However, there is no randomized controlled trial regarding their combined effect on chronic refractory wounds.

OBJECTIVE: To systematically evaluate the efficacy of platelet-rich plasma with negative pressure therapy on chronic refractory wounds.

METHODS: Databases of CNKI, VIP, WanFang, SinoMed, Web of Science, PubMed, and EMbase were searched for the randomized controlled trials regarding the efficacy of platelet-rich plasma combined with negative pressure therapy on chronic refractory wounds. Included studies were evaluated using the Cochrane system evaluation method. Meta-analysis was performed using RevMan 5.3 software. The primary outcomes included wound healing rate, time for wound healing, length of hospital stay, pain score and positive rate of bacteria.

RESULTS AND CONCLUSION: A total of 11 randomized controlled trials were included, including 743 patients with chronic wounds. The observation group was treated with platelet-rich plasma combined with negative pressure drainage. The control group was treated with conventional dressing or simple negative pressure drainage. The Meta-analysis results showed that compared with the control group, there was significantly increased wound healing rate [relative risk (RR)=2.19, 95% confidence interval (CI) (1.82, 2.62), P < 0.000 01] , significantly shortened time for wound healing [mean standard difference=-0.81, 95%CI (-1.00, -0.62), P < 0.000 01], significantly shortened length of hospital stay [mean difference=-7.11, 95%CI (-8.12, -6.11), P < 0.000 01], and significantly lowered positive rate of bacteria [RR=0.35, 95%CI (0.22, 0.54), P < 0.000 01] in the observation group. There was no significant difference between the two groups in the pain score [SMD=-5.97, 95%CI (-14.33, 2.40), P=0.16]. To conclude, platelet-rich plasma combined with negative pressure drainage can promote the healing of chronic refractory wounds and reduce the incidence of infection.

Key words:

platelet-rich plasma, negative pressure drainage, chronic refractory wound, platelet-rich plasma gel, randomized controlled trial, wound healing, infection, meta-analysis

CLC Number:

Gu Yingxuan, Huang Linfeng, Hu Xiaohui, Quan Xiaoming, Kang Liangqi, Zhou Linghan, Wang Xiaojun.

Platelet-rich plasma combined with negative pressure for chronic refractory wounds: a meta-analysis [J]. Chinese Journal of Tissue Engineering Research, 2020, 24(26): 4257-4264.

Figures/Tables 10

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