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  • Title: [Diagnostic criteria for obstructive sleep apnea syndrome].
    Author: Beydon N, Aubertin G.
    Journal: Arch Pediatr; 2016 Apr; 23(4):432-6. PubMed ID: 26968302.
    Abstract:
    The prevalence of obstructive sleep apnea syndrome (OSAS) is 1-4 % in school-aged children. Adenotonsillar hypertrophy is the most common etiology of OSAS in children. Other causes are obesity; facial or skeletal malformations; and neuromuscular, respiratory, or metabolic diseases. OSAS has been associated with sleep quality disturbance (frequent arousals) and nocturnal gas exchange abnormalities (hypoxemia and sometimes hypercapnia), which can both result in negative health outcomes. The analysis of clinical symptoms and physical examination cannot always distinguish between children with primary snoring and children with OSAS. However, the association of at least one sign of nocturnal upper airway obstruction with other diurnal or nocturnal symptoms can be sufficient to establish OSAS diagnosis in a child more than 3 years of age with clear enlarged tonsils but who is otherwise healthy. In all other cases, polysomnography (the gold standard for the diagnosis of sleep-disordered breathing) must be performed either to declare the diagnosis when clinical assessment is not conclusive or when risk factors are present, or to follow up children with an associated health condition or initial severe OSAS. The equipment used to record sleep and the interpretation criteria are all pediatric-specific. Other methods, such as respiratory polygraphy, are simpler to implement, but further studies are warranted to validate the interpretation criteria of these methods in children. However, in centers with experienced personnel, polygraphy can be used in place of polysomnography. In all cases, the analysis of sleep traces must be manual and performed by personnel under the supervision of medical staff trained to interpret pediatric sleep studies.
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