Some OSA patients complain that they cannot tolerate the starting PAP pressure which affects their compliance to therapy. If CPAP pressure is set >4cmH2O then RAMP function can be enabled to provide comfort to the patient. RAMP allows the machine to start at a lower […]

Some OSA patients while using CPAP/BiPAP therapy complain of difficulty in exhaling against the pressure which can affect compliance to therapy. One of the comfort features in PAP machines that can be used to make exhalation comfortable is pressure drop during exhalation. It means PAP […]

Selection of the right mask for delivering PAP therapy for treating OSA is very important for good compliance to PAP treatment. There are different types of masks available to deliver PAP therapy- Patient should be given a trial of each mask so that they can […]

1 billion people suffer from OSA globally. Polysomnography (PSG), which is the gold standard investigation for diagnosing OSA, is not readily available. PSG collects only one night of data and recent studies have shown that one night of data may not be enough to establish […]

Obstructive Sleep Apnea (OSA) is defined as RDI/AHI>5/hr with symptoms or RDI/AHI>15/hr without symptoms. Apnea Hypopnea Index (AHI) is defined as number of apneas plus Hypopneas divided by total sleep time (TST). There are different hypopnea definitions published at different timelines- Source Year Criteria AASM […]

Glymphatic system clears toxic metabolites from human brain especially beta amyloid and tau proteins. This system is most active during sleep and its impaired function predisposes to Alzheimer’s ds. Two explanations have been provided for its maximum expression during sleep- Our traditional understanding was that […]