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Laryngoscope. 1995 May;105(5 Pt 1):472-4.

Safety of ototopical antibiotics.

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  • 1Department of Otolaryngology, Ohio State University, Columbus, USA.


A prospective randomized study analyzing the safety and efficacy of a single dose of ototopical antibiotics following human middle ear tympanostomy tube insertion was performed. Fifty children undergoing bilateral tympanostomy tube insertion were studied by the placement of 0.5 mL of Cortisporin Otic Suspension (COS; Burroughs Wellcome Co., Research Triangle Park, N.C.) to one middle ear space by random assignment. Preoperative and postoperative audiograms were obtained, and the presence of otorrhea was noted. In one patient sensorineural hearing loss of 6 dB developed bilaterally, which was symmetric in both the treated and the untreated ear. This preliminary study showed no statistical difference in hearing loss or postoperative otorrhea associated with a single application of Cortisporin to the middle ear space.

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