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Platelet-Rich Plasma Application for Acute Tympanic Membrane Perforations.

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Area of Science:

  • Otolaryngology
  • Regenerative Medicine
  • Wound Healing

Background:

  • Acute tympanic membrane perforations (TMPs) can impair hearing and predispose to infection.
  • Current treatments for TMPs vary, and faster healing methods are desirable.
  • Platelet-rich plasma (PRP) is a concentration of growth factors that may promote tissue repair.

Purpose of the Study:

  • To evaluate the efficacy of platelet-rich plasma (PRP) in accelerating the closure of acute tympanic membrane perforations (TMPs).

Main Methods:

  • Acute TMPs were surgically created in rabbits, with PRP applied to one ear and the other serving as a control.
  • Perforation closure was monitored daily.
  • Histopathological analysis of seven parameters was performed post-sacrifice.

Main Results:

  • PRP significantly reduced the time to closure for TMPs (12 days vs. 17.7 days, p=0.0145).
  • No significant differences were observed in long-term histopathological parameters between PRP and control groups.
  • Sclerosis and fibroblastic reactions were absent in both groups.

Conclusions:

  • PRP effectively accelerates the healing of acute TMPs in a rabbit model.
  • While PRP speeds closure, long-term microscopic and macroscopic outcomes are comparable to untreated TMPs.
  • These findings support further clinical investigation of PRP for acute TMP treatment.