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The effect of adenotonsillectomy on oxygen saturation in children with sleep breathing disorders
Jaime Arrarte1, José F Lubianca Neto, Gilberto B Fischer
1Faculdade de Medicina da Universidade Federal do Rio Grande do Sul, Pos-graduate Program, Brazil. macjames@terra.com.br
Insights
Adenotonsillectomy significantly improved nocturnal oxygen saturation in children with sleep breathing disorders (SBD). This surgical intervention effectively reduced oxygen desaturation events, enhancing overall sleep quality.
Area of Science:
- Pediatric Otolaryngology
- Sleep Medicine
- Respiratory Physiology
Background:
- Sleep breathing disorders (SBD) in children are often associated with enlarged tonsils and adenoids.
- Untreated SBD can lead to significant nocturnal hypoxemia and daytime sequelae.
- Adenotonsillectomy is a common surgical intervention for SBD in pediatric populations.
Purpose of the Study:
- To assess the impact of adenotonsillectomy on nocturnal oxygen saturation.
- To quantify changes in oxygen desaturation index (ODI) following surgery.
- To evaluate the efficacy of adenotonsillectomy in managing SBD-related respiratory disturbances.
Main Methods:
- A non-controlled clinical trial involving 31 children with suspected SBD.
- Overnight pulse oximetry monitoring performed preoperatively and postoperatively.
- Analysis of oxygen saturation measures, including the oxygen desaturation index (ODI).
Main Results:
- Significant improvement in the postoperative oxygen desaturation index (ODI) compared to preoperative values (p<0.001).
- The study included children with high prevalence of symptoms like snoring and respiratory pauses.
- Majority of patients presented with significant tonsillar hyperplasia (grade 3 or 4).
Conclusions:
- Adenotonsillectomy effectively improves nocturnal oxygen saturation measures in children with SBD.
- The surgical procedure leads to a significant reduction in oxygen desaturation events.
- Nocturnal pulse oximetry is a valuable tool for assessing SBD severity and treatment outcomes.
Objective:
To evaluate the effect of adenotonsillectomy on the oxygen saturation measures by nocturnal pulse oximetry in children with sleep breathing disorders (SBD).
Methods:
A non-controlled clinical trial was performed. Thirty-one children with suspected SBD and a clinical indication for adenotonsillectomy were recruited. All of them underwent overnight oxygen saturation monitoring before and after surgery.
Results:
Twenty-seven patients completed the study. The mean age was 5.2+/-1.8 years. Eighteen (66.7%) were male. The most prevalent symptoms were: snoring (100%), respiratory pauses (96.8%), nocturnal mouth breathing (96.8%), restless sleep (80%) and drooling (74.1%). Twenty-three children (85.2%) presented grade 3 or 4 tonsillar hyperplasia. There was a significant improvement in the postoperative oxygen desaturation index (ODI) (0.65; 0.5-1.3) compared with the preoperative index (1.63; 1.1-2.4) (p<0.001).
Conclusion:
Adenotonsillectomy improved the oxygen saturation measures by nocturnal pulse oximetry in children with sleep breathing disorders.
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