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Medline ® Abstract for Reference 13

of 'Pseudomonas aeruginosa infections of the eye, ear, urinary tract, gastrointestinal tract, and central nervous system'

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Microbiology of acute otitis media with tympanostomy tubes.
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Roland PS, Parry DA, Stroman DW
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Otolaryngol Head Neck Surg. 2005;133(4):585.
 
OBJECTIVE: The objective was to determine the types of organisms which cause acute otitis media with a tympanostomy tube and to ascertain their frequency distribution.
STUDY DESIGN AND SETTING: Prospective, randomized, multi-institutional clinical trials. Both private and academic sites were included.
RESULTS: 1309 isolates were recovered from 956 draining ears. Streptococcus pneumonia was recovered from 17%, Staphylococcus aureus from 13%, H flu from 18% and Pseudomonas aeruginosa from 12%. Fungal organisms were recovered from 5% of total isolates and 4% from single isolates.
CONCLUSIONS: AOMT is microbiologically different than AOM with an intact TM. There is no evidence that resistance develops as result of topical treatment.
SIGNIFICANCE: The study demonstrates that AOMT is frequently caused by organisms not susceptible to oral antibiotics approved for children, but which are sensitive to topical ear drops.
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Department of Otolaryngology, UT Southwestern Medical Center, Dallas, TX 75390, USA. peter.roland@utsouthwestern.edu
PMID