Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery · 2020
Predictors of OSA following adenotonsillectomy in children with trisomy 21.
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Raposo Diogo, Menezes Marco, Rito João, Trindade-Soares Mafalda, Adónis Cristina, Loureiro Helena Cristina, Freire Filipe
Аннотация
OBJECTIVES: Given that 30%-50% of children with trisomy 21 have persistent obstructive sleep apnoea (OSA) after adenotonsillectomy, we evaluated whether demographic, clinical and polysomnographic factors predicted persistent OSA and OSA severity after adenotonsillectomy.
DESIGN: Retrospective study.
SETTING: Secondary care hospital.
PARTICIPANTS: Retrospective review of 32 children with the diagnosis of trisomy 21 and OSA by polysomnography who underwent adenotonsillectomy, from January 2010 to December 2018.
MAIN OUTCOME AND MEASURE: Non-parametric analysis was used to compare pre- and postoperative factors, and regression was used to model persistent OSA and OSA severity.
RESULTS: Thirty-two children were included (17 males, median age 10.00 ± 8.00 years, median body mass index z-score 0.89 ± 1.25). Overall, adenotonsillectomy resulted in a significant improvement in median obstructive apnoea-hypopnoea index (oAHI) from 7.5 ± 8.95 to 4.40 ± 4.38 events per hour (P < .001) and in median OSA-18 score from 85.00 ± 12.00 to 61.00 ± 37.75 (P < .001). Persistent OSA was found in 56.25% of the children. Univariate regression suggests that postoperative OSA-18 score was associated with persistent OSA after adenotonsillectomy. Preoperative oAHI, preoperative oxygen desaturation index, pre- and postoperative OSA-18 scores correlated with OSA severity after adenotonsillectomy. However, in a multivariate model only the postoperative OSA-18 score correlated with OSA severity after adenotonsillectomy.
CONCLUSIONS: Although adenotonsillectomy results in a significant improvement of OSA in children with trisomy 21, more than half of the children had persistent OSA. The postoperative OSA-18 score was associated both with persistent OSA and OSA severity after adenotonsillectomy.
DESIGN: Retrospective study.
SETTING: Secondary care hospital.
PARTICIPANTS: Retrospective review of 32 children with the diagnosis of trisomy 21 and OSA by polysomnography who underwent adenotonsillectomy, from January 2010 to December 2018.
MAIN OUTCOME AND MEASURE: Non-parametric analysis was used to compare pre- and postoperative factors, and regression was used to model persistent OSA and OSA severity.
RESULTS: Thirty-two children were included (17 males, median age 10.00 ± 8.00 years, median body mass index z-score 0.89 ± 1.25). Overall, adenotonsillectomy resulted in a significant improvement in median obstructive apnoea-hypopnoea index (oAHI) from 7.5 ± 8.95 to 4.40 ± 4.38 events per hour (P < .001) and in median OSA-18 score from 85.00 ± 12.00 to 61.00 ± 37.75 (P < .001). Persistent OSA was found in 56.25% of the children. Univariate regression suggests that postoperative OSA-18 score was associated with persistent OSA after adenotonsillectomy. Preoperative oAHI, preoperative oxygen desaturation index, pre- and postoperative OSA-18 scores correlated with OSA severity after adenotonsillectomy. However, in a multivariate model only the postoperative OSA-18 score correlated with OSA severity after adenotonsillectomy.
CONCLUSIONS: Although adenotonsillectomy results in a significant improvement of OSA in children with trisomy 21, more than half of the children had persistent OSA. The postoperative OSA-18 score was associated both with persistent OSA and OSA severity after adenotonsillectomy.