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Effects of Secobarbital on Impedance Audiometry
Martin S. Robinette, PhD;
Donna P. Rhoads, MS;
Michael W. Marion, MS
Arch Otolaryngol. 1974;100(5):351-354.
Abstract
Ten normal hearing children from 3 to 7 years of age were tested with impedance audiometry on four occasions, one test being given 60 minutes following the administration of a sedative, secobarbital. The drug produced the expected behavioral response in eight subjects, ie, five fell asleep and three became drowsy. One remained awake and one became hyperactive and untestable.
The drug failed to have a significant effect on tympanometry, static compliance, gradient or gradient percent scores. Postdrug acoustic reflex thresholds were present but significantly elevated for five subjects. Secobarbital was considered to be an effective sedative for conducting impedance audiometry with difficult-totest children. Caution, however, should be used in interpreting acoustic reflex threshold data for sedated children.
Author Affiliations
From the Department of Speech Pathology and Audiology, University of Wyoming, Laramie. Dr. Robinette is now with the Department of Speech Pathology and Audiology, the University of Utah, Salt Lake City, and Mr. Marion is in private practice at the Casper Clinic, Casper, Wyo.
Footnotes
Accepted for publication May 23, 1974.
Reprint requests to the Department of Speech Pathology and Audiology, 1201 Behavioral Science Bldg, University of Utah, Salt Lake City, UT 84112 (Dr. Robinette).
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