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Identifying High-Risk Children Safe for Same-Day Discharge After Tonsillectomy

Amy Ho1, Yann-Fuu Kou1,2, Christopher Liu1,2

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA.

The Laryngoscope
|May 14, 2026
PubMed

Insights

Most obese children with severe obstructive sleep apnea (OSA) undergoing tonsillectomy can be safely discharged the same day. Simple sleep study criteria identify low-risk patients, supporting individualized postoperative care instead of mandatory overnight admission.

Area of Science:

  • Pediatric Surgery
  • Sleep Medicine
  • Anesthesiology

Background:

  • Current guidelines mandate overnight admission for pediatric patients with severe obstructive sleep apnea (OSA) and obesity undergoing tonsillectomy.
  • However, most of these children experience uneventful postoperative courses, suggesting potential for same-day discharge in select subgroups.

Purpose of the Study:

  • To identify low-risk subgroups among obese children with severe OSA undergoing tonsillectomy.
  • To evaluate candidates for same-day discharge, potentially reducing unnecessary hospital admissions.

Main Methods:

  • Retrospective cohort study of 304 children (aged 2-18 years) with obesity and severe OSA undergoing tonsillectomy.
  • Bayesian logistic regression identified predictors of severe perioperative events (ICU admission, prolonged hospitalization, advanced respiratory support).
  • Risk stratification models and clinical rules were evaluated for predictive accuracy.

Main Results:

  • 11.8% of children experienced severe perioperative events.
  • Lowest oxygen saturation (SpO2 nadir) was the strongest predictor of adverse events.
  • A clinical rule (apnea-hypopnea index < 25 events/h and SpO2 nadir > 85%) identified patients with <5% risk of severe events, achieving 99.5% negative predictive value.

Conclusions:

  • Obese children with severe OSA undergoing tonsillectomy often have uncomplicated postoperative recoveries.
  • Polysomnographic criteria, specifically SpO2 nadir and apnea-hypopnea index, can identify patients suitable for same-day discharge.
  • An individualized approach to postoperative care is warranted, with prospective validation needed for clinical implementation.
Abstract

Keywords:
Bayesian analysisT&A outcomesobstructive sleep apneapediatric obesitypolysomnographypostoperative complicationsrisk assessment

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