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  • Title: Long-term frontal sinus patency after endoscopic frontal sinusotomy.
    Author: Chan Y, Melroy CT, Kuhn CA, Kuhn FL, Daniel WT, Kuhn FA.
    Journal: Laryngoscope; 2009 Jun; 119(6):1229-32. PubMed ID: 19365848.
    Abstract:
    BACKGROUND: The frontal recess is the drainage pathway that connects the frontal sinus to the anterior ethmoid sinus. Mechanical obstruction is the primary cause of chronic frontal sinusitis with or without a secondary inflammatory process. Eosinophilic inflammation is one of the underlying causes for chronic rhinosinusitis. OBJECTIVES/HYPHOTHESIS: To evaluate long-term frontal sinus patency after endoscopic frontal sinusotomy in chronic rhinosinusitis patients and to assess the effect of eosinophilic inflammation on frontal sinus patency. STUDY DESIGN: Retrospective chart review. Symptom assessment and archived endoscopic photographs were prospectively collected on patients who underwent frontal sinusotomy between 7-1-1999 and 12-31-2000. Subjective symptom improvements were evaluated using the SNOT-20 = 20-item Sino-Nasal Outcome Test. Objective findings of endoscopic frontal sinus patency were documented by archived digital photography. RESULTS: A total of 161 patients with 294 frontal sinuses who underwent endoscopic frontal sinus surgery in the 18 months had an average follow-up of 45.9 months. The patient population was divided into two groups: 58 patients had eosinophilic CRS (ECRS), and 103 patients had CRS without eosinophils (non-ECRS). The mean follow-up for patients with ECRS is 61.6 months and 37.0 months for non-ECRS patients. The non-ECRS patients had a documented endoscopic frontal sinus patency of 90%, and the ECRS patients had an endoscopic frontal sinus patency of 85%. The overall frontal ostium patency rate for all patients was 88.0%. CONCLUSIONS: Long-term endoscopic confirmation of frontal ostium patency demonstrates that endoscopic frontal sinusotomy can yield high quality, durable results. There was no significant difference in patency results between ECRS and non-ECRS patients. Laryngoscope, 2009.
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