Sleep disordered breathing

What is sleep disordered breathing (SDB), and how does this differ from OSA?

  • Confusion arises when the terms sleep-disordered breathing (SDB) or sleep-related breathing disorder (SRBD), and OSA are used interchangeably in the literature and in sleep laboratory reports. SRBD and SDB are disease headings under which other diseases are arranged, much like chronic obstructive pulmonary disease comprises a general reference for other specific pulmonary disease entities. SRBD, on the one hand, contains adult and pediatric central sleep apnea and OSA syndromes. OSA, on the other hand, is a specific adult and pediatric disorder that is diagnosed with polysomnography (PSG). OSA can be suspected on the basis of complaints from the patient or his or her bed partner. Such complaints include unintentional sleep episodes during wakefulness, daytime sleepiness, unrefreshing sleep, fatigue, insomnia, waking from sleep with breath holding, gasping or choking, loud snoring, and breathing interruptions. Rendering the diagnosis of OSA includes ruling out current medical, neurologic, and/or substance abuse disorders. Of note, some prescribed medications can also increase the risk for OSA.

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