What factors increase the risk of tympanostomy tube occlusion in acute otitis media (AOM)?

Updated: Sep 25, 2019
  • Author: John D Donaldson, MD, FRCSC, FACS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

In a report on 248 pediatric patients who received tympanostomy tubes and postoperative otic drop therapy, Conrad et al found that tube occlusion occurred most frequently in patients with middle ear fluid and in those with longer time to postsurgical follow-up. The investigators, who conducted a retrospective medical record review, found that at first follow-up, one or both tubes were occluded in 10.6% of patients. Children with no serous fluid were found to be 3 times more likely to have unobstructed tubes than were children with fluid. It was also found that the chance of occlusion increased in relation to the amount of time that existed between surgery and follow-up. [26, 27]


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