Identify obstructive sleep apnoea using only a smartphone
ResApp has developed an obstructive sleep apnoea screening test that uses overnight breathing and snoring sounds recorded on a smartphone placed on the bedside table.
Sleep apnoea is the most common sleep breathing disorder affecting more than three in every ten men and nearly two in every ten women. Sleep apnoea is when air stops flowing to your lungs for ten seconds or longer during sleep. In some cases, this can happen more than 30 times per hour.
Studies have shown that 80% of people with sleep apnoea are undiagnosed. Sleep apnoea is today diagnosed by an overnight sleep study, often in a sleep laboratory using polysomnography (PSG). During PSG, a large number of contact sensors are used to monitor heart, lung and brain activity, breathing patterns, arm and leg movements, and blood oxygen levels whilst asleep. Patients find this uncomfortable and have difficulty sleeping in this unfamiliar environment.
Our solution requires only a smartphone placed on the bedside table. Our machine-learning algorithms analyse your breathing and snoring sounds to estimate obstructive sleep apnoea. Results from our proof-of-concept study achieved 86% sensitivity and 83% specificity compared to simultaneous in-laboratory PSG on a cohort of 731 patients.
For more information, please see our press release.
Scientific Presentations & Publications
Partridge N, May J, Peltonen V, Wood, J, Keating T, Abeyratne U, Currie P, Lenstra S, Ling I, Large sample feasibility study showing smartphone‐based screening of sleep apnoea is accurate compared with polysomnography, Presented at Sleep DownUnder 2018, the 30th ASM of the Australasian Sleep Association and the Australasian Sleep Technologists Association, 2018.
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