Abstract
Background
It is a known fact that bacterial or viral acute otitis media occurs more frequently in the winter months. Only a few older studies on seasonal differences in middle ear findings are available. These studies are based solely on tympanography, without correlation to intraoperative middle ear findings. This study addresses the question of whether seasonal differences can be found in the preoperative tympanogram and in the corresponding intraoperative findings in children with chronic middle ear problems.
Patients and methods
This retrospective study included patients who had undergone myringotomy with or without tympanostomy tube insertion at the Charité–Universitätsmedizin Berlin between January and December 2011. Corresponding to the catarrhal phases, winter months were defined as those from November to April; summer months from May to October. The preoperative tympanogram and the documented intraoperative middle ear finding were statistically analyzed for seasonal differences.
Results
A total of 654 ears from 206 male and 127 female patients with mean age 3.7 ± 2.5 years were analyzed. In the majority of cases, a type B tympanogram was found (n = 376; 57.5%), whereas the middle ear was filled with air in 19.1% of cases. No significant seasonal differences were found for either the intraoperative middle ear findings or the preoperative tympanograms (p > 0.05).
Conclusion
For children with a typical history of chronic otitis media without effusion and chronic tube ventilation dysfunction, myringotomy with or without tympanostomy tube insertion is indicated independently of the season. The results indicate that a wait-and-see approach with hope of improvement during the summer months is not rational.
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S. Knopke, A. Böttcher, P. Chadha, H. Olze and F. Bast declare that they have no competing interests.
This article does not contain any studies with human participants or animals performed by any of the authors.
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W. Baumgartner, Wien
P. K. Plinkert, Heidelberg
M. Ptok, Hannover
C. Sittel, Stuttgart
N. Stasche, Kaiserslautern
B. Wollenberg, Lübeck
Presented in part at the 84th Annual Meeting of the German Society for Otorhinolaryngology, Nuremberg, Germany, May 8–12, 2013.
Steffen Knopke and Arne Böttcher should be considered to share first authorship.
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Knopke, S., Böttcher, A., Chadha, P. et al. Seasonal differences of tympanogram and middle ear findings in children. HNO 65 (Suppl 1), 68–72 (2017). https://doi.org/10.1007/s00106-016-0288-6
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DOI: https://doi.org/10.1007/s00106-016-0288-6