Zhang Gaofei, Liu Wenjun, Wang Di, et al. Meta-analysis of clinical effects of microskin grafting and Meek microskin grafting in repairing extensively deep burn wounds[J]. Chin j Burns, 2020, 36(7): 560-567. Doi: 10.3760/cma.j.cn501120-20190521-00249
Citation: Zhang Gaofei, Liu Wenjun, Wang Di, et al. Meta-analysis of clinical effects of microskin grafting and Meek microskin grafting in repairing extensively deep burn wounds[J]. Chin j Burns, 2020, 36(7): 560-567. Doi: 10.3760/cma.j.cn501120-20190521-00249

Meta-analysis of clinical effects of microskin grafting and Meek microskin grafting in repairing extensively deep burn wounds

doi: 10.3760/cma.j.cn501120-20190521-00249
  • Received Date: 2019-05-21
    Available Online: 2021-10-28
  • Publish Date: 2020-07-20
  • Objective To systematically evaluate the clinical effects of microskin grafting and Meek microskin grafting in repairing extensively deep burn wounds using meta-analysis. Methods Foreign language databases including PubMed and Cochrane Library were searched with the terms of " Meek micrografting, burn" , and Chinese databases including Chinese Journal Full-Text Database, Chinese Biomedical Database, VIP database, and Wanfang Data were searched with the terms in Chinese version of "微粒皮, Meek植皮,烧伤" to retrieve the publicly published randomized controlled trials on the microskin grafting and Meek microskin grafting in repairing extensively deep burn wounds from the establishment of each database to March 20, 2019. The outcome indexes included the survival rate of skin graft, primary healing rate, operation time, and surgical treatment cost after the first operation, as well as the wound healing time and length of hospital stay. RevMan 5.3 and Stata 14.0 statistical software were used to conduct a meta-analysis of eligible studies. Results A total of 821 patients with extensively deep burns were included in 15 studies, including 410 patients in microskin group who received microskin grafting and 411 patients in Meek microskin group who received Meek microskin grafting. The bias risks of the 15 studies included were uncertain. Compared with those of microskin group, the survival rate of skin graft and primary healing rate of patients in Meek microskin group were significantly increased, with relative risks of 0.76 and 0.66 (95% confidence interval=0.66-0.88, 0.50-0.88, P<0.01), the surgical treatment cost was significantly reduced, with a standardized mean difference of 3.19 (95% confidence interval=1.36-5.01, P<0.01), and the operation time, wound healing time, and length of hospital stay were significantly shortened, with standardized mean differences of 6.05, 2.39, and 2.35 (95% confidence interval=3.66-8.44, 1.43-3.35, 2.03-2.68, P<0.01). Subgroup analysis showed that microskin grafting combined with allogenic skin graft might be a heterogeneous source of operation time. Sensitivity analysis showed that the combined effect size was stable in the operation time, surgical treatment cost, and wound healing time. There was no publication bias in the survival rate of skin graft, operation time, wound healing time, and length of hospital stay (P>0.05), while the primary healing rate and surgical treatment cost had publication bias (P<0.01). Conclusions Compared with microskin grafting, Meek microskin grafting improves the rates of skin graft survival and primary healing, shortens operation time, wound healing time, and length of hospital stay, and reduces the treatment cost in treating extensively deep burn wounds.

     

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