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Adenotonsillectomy for upper respiratory infections: evidence based?
B K van Staaij1, E H van den Akker, G J M G van der Heijden
1Julius Center for Health Sciences and Primary Care, location Stratenum 6.131, Universiteitsweg 100, 3584 CG Utrecht, Netherlands. B.K.vanStaaij@med.uu.nl
Archives of Disease in Childhood
|December 23, 2004
Summary
Adenotonsillectomy offers a small additional benefit for reducing sore throat episodes and upper respiratory infections in children. However, these conditions naturally improve over time, even without surgery.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Evidence-Based Medicine
Background:
- High rates of tonsillectomy for pediatric upper respiratory infections (URIs) lack clear clinical guidance.
- Physicians need better evidence to determine which children benefit from adenotonsillectomy.
Purpose of the Study:
- To evaluate the efficacy of adenotonsillectomy in children under 18 years.
- To synthesize evidence from randomized trials and controlled studies on surgical outcomes.
Main Methods:
- Literature search for randomized trials and non-randomized controlled studies on adenotonsillectomy efficacy.
- Pooled analysis of incidence rate ratios and risk differences for sore throat, school absence, and URIs.
- Calculations assumed a Poisson distribution for outcomes.
Main Results:
- Six randomized trials and seven non-randomized studies were analyzed.
- Adenotonsillectomy showed a pooled risk difference of -1.2 sore throat episodes/person-year.
- A pooled risk difference of -2.8 days of school absence/person-year was observed.
- A pooled risk difference of -0.5 URI episodes/person-year was found.
Conclusions:
- Available studies on adenotonsillectomy have significant limitations.
- Sore throat and URI frequency decrease over time, irrespective of surgery.
- Adenotonsillectomy provides a modest additional reduction in sore throat, school absence, and URIs compared to watchful waiting.