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A randomized trial of adenotonsillectomy for childhood sleep apnea.

ABSTRACT: Adenotonsillectomy is commonly performed in children with the obstructive sleep apnea syndrome, yet its usefulness in reducing symptoms and improving cognition, behavior, quality of life, and polysomnographic findings has not been rigorously evaluated. We hypothesized that, in children with the obstructive sleep apnea syndrome without prolonged oxyhemoglobin desaturation, early adenotonsillectomy, as compared with watchful waiting with supportive care, would result in improved outcomes.We randomly assigned 464 children, 5 to 9 years of age, with the obstructive sleep apnea syndrome to early adenotonsillectomy or a strategy of watchful waiting. Polysomnographic, cognitive, behavioral, and health outcomes were assessed at baseline and at 7 months.The average baseline value for the primary outcome, the attention and executive-function score on the Developmental Neuropsychological Assessment (with scores ranging from 50 to 150 and higher scores indicating better functioning), was close to the population mean of 100, and the change from baseline to follow-up did not differ significantly according to study group (mean [±SD] improvement, 7.1±13.9 in the early-adenotonsillectomy group and 5.1±13.4 in the watchful-waiting group; P=0.16). In contrast, there were significantly greater improvements in behavioral, quality-of-life, and polysomnographic findings and significantly greater reduction in symptoms in the early-adenotonsillectomy group than in the watchful-waiting group. Normalization of polysomnographic findings was observed in a larger proportion of children in the early-adenotonsillectomy group than in the watchful-waiting group (79% vs. 46%).As compared with a strategy of watchful waiting, surgical treatment for the obstructive sleep apnea syndrome in school-age children did not significantly improve attention or executive function as measured by neuropsychological testing but did reduce symptoms and improve secondary outcomes of behavior, quality of life, and polysomnographic findings, thus providing evidence of beneficial effects of early adenotonsillectomy. (Funded by the National Institutes of Health; CHAT ClinicalTrials.gov number, NCT00560859.).

SUBMITTER: Marcus CL

PROVIDER: S-EPMC3756808 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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A randomized trial of adenotonsillectomy for childhood sleep apnea.

Marcus Carole L CL Moore Reneé H RH Rosen Carol L CL Giordani Bruno B Garetz Susan L SL Taylor H Gerry HG Mitchell Ron B RB Amin Raouf R Katz Eliot S ES Arens Raanan R Paruthi Shalini S Muzumdar Hiren H Gozal David D Thomas Nina Hattiangadi NH Ware Janice J Beebe Dean D Snyder Karen K Elden Lisa L Sprecher Robert C RC Willging Paul P Jones Dwight D Bent John P JP Hoban Timothy T Chervin Ronald D RD Ellenberg Susan S SS Redline Susan S

The New England journal of medicine 20130521 25

<h4>Background</h4>Adenotonsillectomy is commonly performed in children with the obstructive sleep apnea syndrome, yet its usefulness in reducing symptoms and improving cognition, behavior, quality of life, and polysomnographic findings has not been rigorously evaluated. We hypothesized that, in children with the obstructive sleep apnea syndrome without prolonged oxyhemoglobin desaturation, early adenotonsillectomy, as compared with watchful waiting with supportive care, would result in improved ...[more]

PMID: 23692173

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Project description:Importance:Adenotonsillectomy (ATE) is the primary surgical method for treating obstructive sleep apnea (OSA) in children. However, children with severe OSA have an increased risk for residual OSA after ATE. Previous studies indicate that adenopharyngoplasty (APP), a modified ATE with closure of the tonsillar pillars, might improve the surgical outcome, but the overall evidence is weak. Objective:To determine whether APP is more effective than ATE for treating severe OSA in otherwise healthy children. Design, Setting, and Participants:A blinded randomized clinical trial was conducted at the otorhinolaryngology department at Karolinska University Hospital, Stockholm, Sweden. Eighty-three children, aged 2 to 4 years, with an obstructive apnea-hypopnea index (OAHI) score of 10 or higher, were randomized to APP (n = 36) or ATE (n = 47). Participants were recruited from December 1, 2014, through November 31, 2016. Interventions:Adenotonsillectomy was performed in all 83 patients in both groups by the cold steel technique. The APP group also underwent closure of the tonsillar pillars with 2 inverted sutures on each side. Main Outcomes and Measures:The primary outcome was the difference between the groups in OAHI score change before and after surgery. A higher score indicates worse problems and a score of 10 or higher is defined as severe OSA. The outcome was evaluated per protocol and with intention-to-treat analysis. Secondary outcomes were other polysomnography variables and the Obstructive Sleep Apnea-18 (OSA-18) questionnaire (possible total symptom score range, 18-126; higher scores indicate worse quality of life). Polysomnography was performed and the OSA-18 questionnaire was completed preoperatively and 6 months postoperatively. Results:A total of 83 children (49 [59%] boys; mean [SD] age, 36.6 [9.2] months) were included in the study. Of these, 74 (89%) (APP, n = 30; ATE, n = 44) completed the study. The mean (SD) preoperative OAHI score was 23.8 (11.8) for APP and 23.8 (11.5) for ATE. Both the APP and ATE groups had a significant decrease in mean OAHI score after surgery (-21.7; 95% CI, -26.3 to -17.2; and -21.1; 95% CI, -24.5 to -17.7, respectively), but there was no significant difference between the groups (0.7; 95% CI, -4.8 to 6.1). Furthermore, no significant differences between the groups were seen regarding other polysomnography variables (eg, respiratory distress index: mean, 0.6; 95% CI, -5.0 to 6.3) or the OSA-18 questionnaire (eg, total symptom score: -0.5; 95% CI, -13 to 12). One patient from each group was readmitted owing to postoperative bleeding, but no other complications were seen. Conclusions and Relevance:This trial did not show that APP was more effective than ATE alone to treat otherwise healthy children with severe OSA. This finding suggests that ATE should continue to be the primary treatment for OSA in children. Trial Registration:ClinicalTrials.gov Identifier: NCT02315911.

Project description:ImportanceAdenotonsillectomy (AT) is associated with improved behavior in children with obstructive sleep apnea (OSA). However, it is unknown whether polysomnographic parameters are superior to the parent-reported severity of sleep-disordered breathing (SDB) in predicting behavioral changes after AT.ObjectiveTo ascertain whether polysomnographic parameters vs parent-reported severity of SDB are better predictors of treatment-related behavioral changes in children with OSA.Design, setting, and participantsThis ad hoc secondary analysis of the Childhood Adenotonsillectomy Trial (CHAT) downloaded and analyzed data from January 1 to January 31, 2020. Children aged 5 to 9 years with a polysomnographic diagnosis of OSA were enrolled in the CHAT and subsequently randomized to undergo either early AT or watchful waiting with supportive care. All outcome measures were obtained at baseline and at follow-up (7 months after randomization).InterventionsEarly AT vs watchful waiting with supportive care.Main outcomes and measuresPostrandomization changes between the baseline and follow-up periods were derived from (1) T scores in 4 validated behavioral assessments (Conners Global Index parent and teacher versions, Behavior Rating Inventory of Executive Function metacognition index, and Child Behavior Checklist of total, internalizing, and externalizing behavior subscales); (2) 8 aggregated polysomnographic parameters representing the severity of obstruction, hypoxemia, sleep quality, and structure; and (3) the parent-reported severity of SDB measured by the Pediatric Sleep Questionnaire-Sleep-Related Breathing Disorder (PSQ-SRBD) scale. The treatment-related changes in each of the behavioral outcomes attributable to changes in SDB severity (represented by the subjective PSQ-SRBD score and objective polysomnographic parameters) were measured and compared using mediation analysis.ResultsA total of 453 children were assessed at baseline, of whom 234 were girls (52%) and the mean (SD) age was 6.6 (1.4) years. The postrandomization changes in 7 of 8 behavioral outcome measures between the baseline and follow-up periods were partially mediated by the changes in PSQ-SRBD scores (range of nonzero causally mediated effects, 2.4-3.5), without contribution from any of the polysomnographic parameters.Conclusions and relevanceThis secondary analysis of a national randomized clinical trial found that most treatment-related behavioral changes in children with OSA were mediated by the changes in parent-reported SDB severity alone. These findings suggest that polysomnographic parameters provide clinicians with limited means to predict the improvement in neurobehavioral morbidity in OSA.Trial registrationClinicalTrials.gov Identifier: NCT00560859.

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A randomized trial of adenotonsillectomy for childhood sleep apnea.

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A randomized trial of adenotonsillectomy for childhood sleep apnea.

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