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<p>(ICSD-3), obstructive sleep apnea is classified amongst the sleep-related breathing disorders and is divided in two categories, namely adult OSA and pediatric OSA. Obstructive sleep apnea is differentiated from <a href="page.php?w=central_sleep_apnea">central sleep apnea</a> (CSA), which is characterized by episodes of reduction or cessation in breathing attributable to decreased effort, rather than upper airway obstruction. The respiratory effort must then be assessed in order to correctly classify the apnea as obstructive given the specificity</p><p>
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