Evaluate the clinical efficacy of hyaluronic acid applied to the nasal cavity after sinus surgery. Hyaluronic acid for post sinus surgery care: systematic review and meta-analysis.
Evaluate the effect of adding platelet rich plasma (PRP) or Hyaluronic acid (HA) to fat graft myringoplasty (FGM) Topical platelet rich plasma versus hyaluronic acid during fat graft myringoplasty