title: The Jahrsdoerfer grading scale in surgery to repair congenital aural atresia.
abstract: OBJECTIVE
  To determine the predictive ability of the Jahrsdoerfer grading scale score in congenital aural atresia surgery.
  
  
  METHODS
  Retrospective review of medical records.
  
  
  METHODS
  Tertiary referral center.
  
  
  METHODS
  One hundred eight patients with aural atresia.
  
  
  METHODS
  Demographic data, preoperative Jahrsdoerfer score, and postoperative audiometric outcomes were reviewed. One month postoperative, 4-tone pure-tone averages and speech reception thresholds were compared between ears scoring 6 or lower, 7, and 8 or higher on the Jahrsdoerfer grading scale. The percentage of ears with a speech reception threshold of 30 dB hearing level or lower for each group was calculated and compared between groups. Individual anatomical structures on the Jahrsdoerfer grading scale were evaluated for their ability to predict postoperative audiometric success.
  
  
  RESULTS
  Of 116 ears evaluated, postoperative 4-tone pure-tone averages and speech reception thresholds were significantly poorer in ears scoring 6 or less on the Jahrsdoerfer grading scale compared with ears scoring 7 or higher (P < .02, t test). Ears scoring 6 or less had a 45% chance of achieving a postoperative speech reception threshold of 30 dB hearing level or lower, while ears scoring 7 or higher had an 89% chance (P < .01, chi(2) test). Lack of middle ear aeration was the only anatomical factor predictive of poor audiometric outcome.
  
  
  CONCLUSIONS
  Compared with patients with a Jahrsdoerfer score of 6 or lower, patients with a score of 7 or higher had significantly better hearing postoperatively. Middle ear aeration may be the most important predictor of postoperative hearing outcome. The Jahrsdoerfer grading scale is an invaluable tool in the preoperative evaluation of patients with congenital aural atresia.
authors: Department of Otolaryngology-Head and Neck Surgery, University of Virginia Health System, Box 800713, Charlottesville, VA 22908, USA.
authors: David C
authors: DC
authors: Shonka
authors: W J
authors: WJ
authors: Livingston
authors: Bradley W
authors: BW
authors: Kesser
mesh_terms: D000293:Adolescent; D000328:Adult; D001301:Audiometry, Pure-Tone; D001309:Auditory Threshold; D002648:Child; D002675:Child, Preschool; D054644:Ear Auricle / Q000002:abnormalities* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care; D011183:Postoperative Complications / Q000175:diagnosis*; D011237:Predictive Value of Tests; D011379:Prognosis; D019651:Plastic Surgery Procedures; D012189:Retrospective Studies; D013069:Speech Reception Threshold Test