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Published on: December 6, 2016
Pediatric Postoperative Outcomes for Severe and Very Severe Obstructive Sleep Apnea Syndrome
Jordyn A Hurly1, Anna Christina Clements1, Marisa A Ryan2
1Department of Otolaryngology, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A.
Insights
Severe obstructive sleep apnea syndrome (OSAS) with an apnea-hypopnea index (AHI) over 40 or oxygen saturation below 80% increases respiratory complication risk after tonsillectomy. Further research is needed for severe OSAS complications.
Area of Science:
- Pediatric Otolaryngology
- Sleep Medicine
- Respiratory Physiology
Background:
- Obstructive sleep apnea syndrome (OSAS) is common in children undergoing tonsillectomy.
- Preoperative assessment of OSAS severity is crucial for predicting postoperative outcomes.
Purpose of the Study:
- To evaluate if increasing obstructive sleep apnea syndrome severity, based on polysomnography, independently predicts respiratory complications and follow-up care needs after adenotonsillectomy or tonsillectomy in pediatric patients.
Main Methods:
- Retrospective analysis of 358 patients (≤21 years) with severe OSAS (apnea-hypopnea index [AHI] >10) undergoing adenotonsillectomy or tonsillectomy.
- Patients categorized by preoperative polysomnography (PSG) data.
- Logistic regression and Wilcoxon Rank Sum tests used to analyze outcomes, including respiratory complications and continuous positive airway pressure (CPAP) initiation.
Main Results:
- An AHI >40 and oxygen saturation nadir <80% were significantly associated with postoperative respiratory complications.
- Increasing AHI and oxygen saturation <80% correlated with unplanned postoperative CPAP initiation.
- No association found between hypercarbia and complications.
Conclusions:
- Very severe OSAS (preoperative AHI ≥40) may increase postoperative respiratory complication risk.
- Regression analysis did not show a linear association between increasing AHI severity and complications.
- Further investigation is required to identify factors contributing to complications in severe and very severe OSAS.
Objective:
To determine if increasing obstructive sleep apnea syndrome (OSAS) severity, as determined by preoperative polysomnography data, is an independent risk for respiratory complications and level of follow-up care after adenotonsillectomy or tonsillectomy.
Methods:
A retrospective analysis of patients ≤21 years of age with severe OSAS (obstructive apnea-hypopnea index [OAHI] >10) undergoing adenotonsillectomy or tonsillectomy. Patients were categorized based on preoperative polysomnography data (PSG). Outcome measures including respiratory complications were collected via chart review. Logistic regression was used in the analysis of all parameters, and Wilcoxon Rank Sum tests were used for analysis of both OAHI and oxygen saturation nadir as continuous variables. All surgeries were performed at Johns Hopkins Hospital, a tertiary care center.
Results:
We identified 358 patients with severe OSAS who had adenotonsillectomy or tonsillectomy. OAHI >40 and oxygen saturation nadir <80% were significantly associated with postoperative respiratory complications. Increasing OAHI and O2 saturation <80% was each associated with unplanned continuous positive airway pressure (CPAP) initiations postoperatively. There was no association between hypercarbia and presence of any complications.
Conclusion:
Patients with very severe OSAS (preoperative OAHI ≥40) as determined by preoperative PSG may be at higher risk of developing respiratory complications postoperatively. However, there does not appear to be a linear association with increasing severity of OAHI on regression analysis. Further research is needed to understand factors associated with complications in severe and very severe OAHI.
Level Of Evidence:
4 Laryngoscope, 134:4148-4155, 2024.
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