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Progression of Tympanometry and Acoustic Reflectometry

Findings in Children With Acute Otitis Media

Madigan Army Medical Center,Tacoma, Washington, Walter Reed Army Medical Center,Washington, DC

Michael R. Weir

Madigan Army Medical Center,Tacoma, Washington, Department of Pediatrics, Scott & White Clinic and Memorial Hospital, Scott, Sherwood and Brindley Foundation, Texas A & M University Health Science Center, College of Medicine, Temple, Texas

Patrick C. Kelly

Madigan Army Medical Center,Tacoma, Washington

Marvin S. Krober

Madigan Army Medical Center,Tacoma, Washington

The presence of middle ear effusion (MEE) following acute otitis media (AOM) has been assessed by impedance tympanometry and acoustic reflectometry but has not been assessed serially from the time of presentation for AOM in the same group of patients. This descriptive study examined serial measurements by tympanometry and reflectometry in children with clinical AOM at the time of diagnosis, 3 to 5 days later, and at final follow-up 12 to 15 days after diagnosis. The study entry criteria were conservative in order to represent obvious cases of AOM and included 90 patients representing 107 ears. The objective was to describe the evolution of instrumental findings and to attempt to identify unique patient subpopulations with differing prognoses. We found that combined use of initial tympanometry and reflectometry, while yielding intriguing results, does not allow for identification of subpopulations with good or poor progression for MEE clearance at 2-week follow-up. It is our conclusion that initial tympanometry and reflectometry add to the cost of AOM diagnosis without clear benefit for the individual patient.

Clinical Pediatrics, Vol. 33, No. 10, 593-600 (1994)
DOI: 10.1177/000992289403301004


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