Please check with your local Respironics Representative to find out if this product is available for purchase in your country.
The BiPAP autoSV sleep therapy system is specifically designed to be the best choice for managing complicated sleep-disordered breathing patients. It combines a number of technologies to recognise and react to changing pressure needs, and it's clinically proven to treat obstructive, central and complex apnoeas and hypopnoeas, as well as periodic breathing.
OSA is the absence of airflow due to an occlusion in the upper airway that lasts at least 10 seconds in spite of continual effort to breathe. Severity is measured by the Apnea/Hypopnea Index (AHI) - the number of episodes per hour of sleep.
Central Sleep Apnoea is a pattern of breathing characterised by a normal deep inspiratory cycle interchanged with complete cessation of breathing. It is typically caused by problems with how the brain controls breathing rather than an occlusion of the airway.
Complex sleep apnoea is a condition that occurs when a patient is identified as having OSA, but with the application of Continuous Positive Airway Pressure (CPAP) to eliminate the OSA, the patient develops Central Sleep Apnoea. The cause of complex sleep apnoea is not known at this time.
Periodic breathing is defined as alternating periods of hyperventilation with waxing/waning tidal volume and periods of central hypopnoeas or apnoeas. There are many forms of periodic breathing, one of which is Cheyne-Stokes Respiration (CSR). CSR is characterized by a cyclic pattern of waxing and waning during periods of apnoea, and deep, rapid breathing.
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