title: Evolution of sinonasal symptoms following endoscopic anterior skull base surgery.
abstract: To assess the severity and evolution of sinonasal symptoms in patients following endoscopic anterior skull base surgery to define the typical postoperative course.
  
  
  METHODS
  Cross sectional study. Participants include 69 patients who underwent endoscopic skull base surgery by a dual surgeon team (otolaryngologist and neurosurgeon) from January 2008 to August 2009.
  
  
  METHODS
  Sinonasal Outcomes Test (SNOT)-20 survey scores at preoperative and at three postoperative time points. An ordinal logistic regression model was used to analyze the data, summarizing the relationship between the outcome (SNOT score) and the predictor (time point) using an odds ratio. Scores for the symptoms of need to blow nose, sneezing, runny nose, postnasal discharge, thick nasal discharge, ear fullness, and facial pain showed significant worsening at the early postoperative time point. These symptoms showed significant improvement over time; however, scores for post nasal discharge remained high at the late time period compared with baseline. All patients will experience considerable sinonasal symptoms following transnasal endoscopic skull base surgery. Postnasal discharge and thick nasal discharge improve significantly over time. Symptoms approach baseline by 6 to 9 months following surgery.
authors.affiliation: Division of Head and Neck Surgery, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California.
authors.forename: Ashley E
authors.initials: AE
authors.lastname: Balaker
authors.forename: Marvin
authors.initials: M
authors.lastname: Bergsneider
authors.forename: Neil A
authors.initials: NA
authors.lastname: Martin
authors.forename: Marilene B
authors.initials: MB
authors.lastname: Wang