Author(s)
Silke Anna Theresa Weber
Gustavo Leao Castilho, MD
Jefferson Barros, MD
Antonio Carlos Marão, MD
Iury Lima, MD
Affiliation(s)
Faculdade de Medicina de Botucatu UNESP
Abstract:
Keywords: Obstructive sleep apnea, adenotonsillectomy, unattended sleep studies, children.Objective: To analyze the quality of unattended sleep studies in children on a waiting list for adenotonsillectomy (AT).Methods: A retrospective and descriptive study in october 2012 to october 2015children. Childrens aged 2 to 12 years, realized type 3 unattended polysomnography. All children showed clinical symptoms of OSA as snoring, observed apneas and tonsilar hypertrophy with indication of AT. Children with neurologic disease and/or genetic syndromes were excluded. We analyzed the frequency of failure of first night exam in different age groups, and the sensor more easily lost. Results: Of the 135 children, 69 were aged 3 to 6 years old; most of them were boys (57.8%). In a total, 38.6% of the children confirmed severe OSA. As much as 28.1% PSGs failed at first night, more frequently (47.2%) in age group 3 to 4 years old. The sensor for airflow showed the highest error index. Failure was higher at first year of our experience (52%) with improvement and a lower rate in the third year (15%).Conclusions: Unattended sleep studies are helpful for severe OSA screening. Children aged 3-4 years showed highest failure rate, probably as they have a more restless sleep and are more difficulties for cooperation when putting on the equipment. Flow sensor was lost more easily during the night, mostly due to difficulty in fixing it in the face. Good training of the team is fundamental, as an optimal fixation of the sensors is crucial for an acceptable result.