There is no long-term benefit to surgically placing tympanostomy tubes in a young child’s ears to reduce the rate of recurrent ear infections during the ensuing two years compared with giving oral antibiotics to treat ear infections, a randomized trial led by UPMC Children’s Hospital of Pittsburgh and University of Pittsburgh pediatrician-scientists determined.
The trial results, published today in the New England Journal of Medicine, are among the first since the pneumococcal vaccine was added to pediatric vaccination schedules, providing updated evidence that may help shape pediatric guidelines on treating recurrent ear infections. Importantly, despite their greater use of antibiotics, the trial found no evidence of increased bacterial resistance among children in the medical-management group.
“Subjecting a young child to the risks of anesthesia and surgery, the possible development of structural changes of the tympanic membrane, blockage of the tube or persistent drainage through the tube for recurrent ear infections, which ordinarily occur less frequently as the child ages, is not something I would recommend in most instances,” said lead author Alejandro Hoberman, M.D., director of the Division of General Academic Pediatrics at UPMC Children’s Hospital and the Jack L. Paradise Endowed Professor of Pediatric Research at Pitt’s School of Medicine.
“We used to often recommend tubes to reduce the rate of ear infections, but in our study, episodic antibiotic treatment worked just as well for most children,” he said. “Another theoretical reason to resort to tubes is to use topical ear drops rather than systemic oral antibiotics in subsequent infections in the hope of preventing the development of bacterial resistance, but in this trial, we did not find increased resistance with oral antibiotic use. So, for most children with recurrent ear infections, why undergo the risks, cost and nuisance of surgery?”
Next to the common cold, ear infections are the most frequently diagnosed illness in U.S. children. Ear infections can be painful, force lost time at work and school, and may cause hearing loss. Tympanostomy tube placement, which is a surgical procedure to insert tiny tubes into a child’s eardrums to prevent the accumulation of fluid, is the most common operation performed on children after the newborn period.
Hoberman and his team enrolled 250 children ages 6 to 35 months of age at UPMC Children’s Hospital, Children’s National Medical Center in Washington, D.C., and Kentucky Pediatric and Adult Research in Bardstown, Ky. All of the children had had medically verified recurrent ear infections and had received the pneumococcal conjugate vaccine. They were randomly assigned to receive “medical management,” which involved receiving oral antibiotics at the time of ear infections, or the surgical insertion of tubes and antibiotic ear drops. The children were followed for two years.
Overall, there were no differences between children in the two groups when it came to the rate or severity of ear infections. And, though the children in the medical management group received more antibiotics, there also was no evidence of increased antimicrobial resistance in samples taken from the children. The trial also didn’t find any difference between the two groups in the children’s quality of life or in the effect of the children’s illness on parents’ quality of life.
One short-term benefit of placing tympanostomy tubes was that, on average, it took about two months longer for a child to develop a first ear infection after tubes were placed, compared with children whose ear infections were managed with antibiotics.
Another finding of the trial was that the rate of ear infections among children in both groups fell with increasing age. The rate of infections was 2.6 times higher in children younger than 1 year, compared with the oldest children in the trial, those between 2 and 3 years, regardless of whether they received medical management or tube insertion.
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