title: Audiological Outcome of Classical Adenoidectomy versus Endoscopically-Assisted Adenoidectomy using a Microdebrider.
abstract: BACKGROUND
  The aim of this study was to evaluate audiological outcomes following adenoidectomy by the classical method and by endoscopically-assisted adenoidectomy using a powered instrument (microdebrider).
  
  
  METHODS
  This study was conducted in a tertiary care center. It included 40 patients divided into two equal groups of 20 each. Group-A patients underwent classical adenoidectomy, while Group-B patients were subjected to endoscopically-assisted adenoidectomy using a microdebrider. Hearing outcome was measured by post-operative pure-tone audiometry and tympanometry.
  
  
  RESULTS
  The post-operative average air-bone gap (ABG) was reduced from 19.6 dB to 11.8 dB in Group A and from 17.6 dB to 8.7 dB in Group B (P=0.010). There was reversal of tympanometric curves from type-B and type-C to type-A in 55% of the patients in Group A, while type-A curve was seen in 90% cases in Group B in the post-operative period.
  
  
  CONCLUSIONS
  Audiological outcomes of endoscopically-assisted adenoidectomy using a microdebrider were superior compared with classical adenoidectomy.
authors.affiliation: Department of Otorhinolaryngology, Sri Guru Ram Das Institute of Medical Sciences & Research, Amritsar, Punjab, India.
authors.forename: Vanita
authors.initials: V
authors.lastname: Sarin
authors.affiliation: Department of Otorhinolaryngology, Christian Medical College, Ludhiana, Punjab, India.
authors.forename: Vanika
authors.initials: V
authors.lastname: Anand
authors.affiliation: Department of Otorhinolaryngology, Sri Guru Ram Das Institute of Medical Sciences & Research, Amritsar, Punjab, India.
authors.forename: Bhanu
authors.initials: B
authors.lastname: Bhardwaj
keywords: Adenoidectomy; Audiological; Endoscopic; Microdebrider; Tympanometry.