Purpose: Platelet-rich fibrin (PRF) results in satisfactory wound healing. This analysis focuses on assessing the effectiveness of PRF in the treatment of tympanic membrane (TM) perforations.
Materials And Methods: The literature was searched using PubMed, Embase, Cochrane Library and Web of Science databases from inception to February 28th, 2021. The following healing and hearing outcomes were measured: closure rate, pre-and postoperative auditory results, and incidence of postoperative infections. Data were pooled and expressed as the odds ratio (OR).
Results: Ten studies were eligible for qualitative review, and seven of them were included for the final quantitative comparison. The OR for the closure rate of acute perforations was 4.30 (95% CI 1.35-13.70, I = 0%), and the OR in the chronic subgroup was 5.42 (95% CI 2.57-11.43, I = 0%). The total OR value for the completed closure rate was 5.10 (95% CI 2.72-9.54, I = 0%), indicating that the utilization of PRF can enhance the closure of both acute and chronic perforations. The qualitative review did not find improved hearing results with the use of PRF. In addition to promoting closure, PRF can reduce the incidence of infections (OR = 0.14). The sensitivity analysis did not change the final results, and there was no publication bias in this analysis.
Conclusion: PRF can increase the closure rate of acute perforations, enhance the survival rate of autografts in TM surgeries and reduce the incidence of infections. However, the literature indicates that PRF does not influence the hearing outcomes. This study shows that PRF is an effective agent for TM regeneration.
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