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Tonsillectomy Complication Rates Are Comparable Among 2- and 3-Year-Old Children: A Systematic Review and

Camila Hurtado1, Zachary Elwell2, Angela Murrell1

  • 1University of Arizona College of Medicine-Tucson, Tucson, Arizona, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|March 30, 2026
PubMed

Insights

Children aged 2-3 years undergoing tonsillectomy do not face higher immediate complication risks. Ambulatory adenotonsillectomy is likely safe for this age group, potentially avoiding routine overnight observation.

Area of Science:

  • Otolaryngology
  • Pediatric Surgery
  • Evidence-Based Medicine

Background:

  • Tonsillectomy is a common pediatric surgical procedure.
  • Immediate postoperative complications (<24 hours) are a concern, particularly in younger children.
  • Routine overnight observation is often considered for young children post-tonsillectomy.

Purpose of the Study:

  • To assess the risk of immediate post-tonsillectomy complications in children aged 2 to 3 years.
  • To determine if this age group requires routine overnight observation after adenotonsillectomy.

Main Methods:

  • Systematic review and meta-analysis conducted following PRISMA guidelines.
  • Searched multiple databases (MEDLINE, Embase, Cochrane, Scopus, ClinicalTrials.gov) from 1788 to 2023.
  • Included studies reporting on immediate postoperative complications (respiratory, bleeding, oral intake) in children undergoing tonsillectomy/adenotonsillectomy.

Main Results:

  • The overall complication rate in children under 3 years was 12.0%.
  • Children aged 2-3 years had an overall complication rate of 8.0%, with specific rates for respiratory (1.0%) and poor oral intake (2.0%).
  • The pooled odds ratio for immediate respiratory complications in children under 3 was 2.97.

Conclusions:

  • Children aged 2 to 3 years exhibit comparable post-tonsillectomy complication rates to older children.
  • Ambulatory adenotonsillectomy appears safe for children aged 2 to 3 years.
  • Routine overnight observation may not be necessary for all children in this age group.
Abstract

Keywords:
adenotonsillectomycomplicationpediatrictonsillectomy

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