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Adenotonsillectomy for obstructive sleep apnea in obese children: a meta-analysis
1Department of Otolaryngology, St Louis University School of Medicine, St Louis, MO 63104, USA. costadj@slu.edu
Insights
Adenotonsillectomy (T&A) significantly improves obstructive sleep apnea (OSA) in obese children by reducing apnea-hypopnea index and increasing oxygen saturation. However, T&A does not fully resolve OSA in most cases, highlighting the need for further research into additional treatments.
Area of Science:
- Pediatric Sleep Medicine
- Otolaryngology
- Obesity Medicine
Background:
- Obstructive sleep apnea (OSA) is a significant health concern in obese children.
- Adenotonsillectomy (T&A) is a common treatment for pediatric OSA, but its effectiveness in obese populations requires specific evaluation.
Purpose of the Study:
- To determine the effectiveness of adenotonsillectomy (T&A) in treating obstructive sleep apnea (OSA) specifically in obese children.
- To analyze changes in key sleep parameters following T&A in this patient group.
Main Methods:
- A meta-analysis was conducted using studies identified through PubMed and Ovid searches.
- Included studies reported sleep parameters in obese children with OSA before and after T&A.
- Data were analyzed using a random effects model with statistical significance set at P < 0.05.
Main Results:
- Analysis of four studies involving 110 obese children with OSA showed significant improvements post-T&A.
- The apnea-hypopnea index (AHI) decreased by a weighted mean of 18.3 events/hour (P < 0.05).
- Oxygen saturation nadir increased by a weighted mean of 6.3% (P < 0.05), with 49% achieving postoperative AHI < 5.
Conclusions:
- Adenotonsillectomy (T&A) offers significant benefits for obese children with OSA, improving key sleep metrics.
- Complete resolution of OSA is not achieved in the majority of these patients, indicating a need for further therapeutic strategies.
- The high prevalence of childhood obesity underscores the public health importance of effective OSA management.
Objective:
The purpose of this study was to determine the effectiveness of adenotonsillectomy (T&A) for treating obstructive sleep apnea (OSA) in obese children.
Data Sources:
PubMed and Ovid databases.
Review Methods:
A meta-analysis of studies that reported sleep parameters in obese children with OSA before and after T&A. Data were analyzed using the random effects model. Statistical significance was P < or = 0.05.
Results:
Data from four studies that included 110 children were analyzed. The mean sample size was 27.5 (range, 18-33). The mean body mass index z score was 2.81. The mean pre- and postoperative apnea-hypopnea index (AHI) was 29.4 (range, 22.2-34.3) and 10.3 (range, 6.0-12.2), respectively. The weighted mean difference between pre- and postoperative AHI was a significant reduction of 18.3 events per hour (95% confidence interval [CI], 11.2-25.5). The mean pre- and postoperative oxygen saturation nadir was 78.4 percent (range, 73.9%-81.1%) and 85.7 percent (range, 83.6%-89.9%), respectively. The weighted mean difference was a significant increase of the oxygen saturation nadir of 6.3 percent (95% CI, 3.9-8.7). Forty-nine percent of children had a postoperative AHI <5, 25 percent of children had a postoperative AHI <2, and 12 percent of children had a postoperative AHI <1.
Conclusions:
T&A improves but does not resolve OSA in the majority of obese children. The efficacy and role of additional therapeutic options require more study. The high incidence of obesity in children makes this a public health priority.
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