The use of tympanometry and pneumatic otoscopy for predicting middle ear disease KHÁ có PHẦN kết LUẬN được

http://aja.asha.org/cgi/content/abstract/14/1/3 American Journal of Audiology Vol.14 3-13 June 2005 doi:10.1044/1059-0889(2005/002) © American Speech-Language-Hearing Association The Use of Tympanometry and Pneumatic Otoscopy for Predicting Middle Ear Disease Paula K Harris 1, Kathleen M Hutchinson 2, and Joseph Moravec Midwest Ear, Nose and Throat Clinic, Herrin, IL Miami University, Oxford, OH Joseph J Moravec, Inc., Facial Surgery Center, Cincinnati, OH Purpose: Otitis media is the most common condition diagnosed by pediatricians and is estimated to affect approximately 70% of the pediatric population The goal of this study was to evaluate the effectiveness of otoscopy and multifrequency tympanometry (MFT) for diagnosis of otitis media in children Method: Twenty-one children, age to 10 years, who were seeking medical treatment for suspected đáng ngờ, khả nghi; bị tình nghi middle ear disease were selected to participate Data were collected prior to myringotomy to determine the sensitivity and specificity rates of the following otologic and audiologic measures: (a) pneumatic otoscopy, (b) conventional tympanometry, and (c) MFT For this study, the "gold standard," myringotomy, was used along with pneumatic otoscopy to determine the effectiveness, sensitivity, and specificity of conventional 226-Hz tympanometry, 678-Hz tympanometry, and 1000-Hz tympanometry to predict middle ear disease Results: The diagnoses provided with pneumatic otoscopy and tympanometry were both similar, agreeing in diagnosis 80%–100% of the time The diagnoses from 678-Hz and 1000-Hz tympanometry were nearly equal and proved to detect abnormality at a higher rate Conclusions: MFT is recommended on a routine basis with children having a history of otitis media, or else abnormal or notched 226-Hz tympanograms Further research with a larger sample size will illuminate the possible predictive potential of MFT in otitis media Key Words: multifrequency tympanometry, conventional tympanometry, pneumatic otoscopy Submitted on August 15, 2004 Revised on January 22, 2005 Accepted on April 28, 2005