Study Suggests Apple Watch Heart Rate Monitor Can Detect Hypertension and Sleep Apnea

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The Apple Watch might be able to precisely detect hypertension and sleep apnea, in line with a brand new examine printed in the present day by the University of California San Francisco (UCSF) and Cardiogram, an organization that is developed an app that breaks down coronary heart charge information collected by the Apple Watch.

Using information collected from 6,115 Apple Watch house owners and interpreted by Cardiogram’s deep neural community “DeepHeart,” the examine discovered that the neural community was in a position to acknowledge hypertension (aka hypertension) with 82 p.c accuracy and sleep apnea with 90 p.c accuracy.


Based on previously-established rules suggesting folks with low coronary heart charge variability are 1.44x extra more likely to develop hypertension and that algorithms can precisely decide sleep apnea by beat-to-beat charge variability, Cardiogram and UCSF researchers recruited folks for an eHeart examine after which skilled the DeepHeart neural community to detect new variables.

Cardiogram co-founder Brandon Bollinger instructed TechCrunch the DeepHeart neural community was skilled utilizing information from 70 p.c of members, after which examined on the remaining 30 p.c who weren’t used for coaching functions. Of the 6,115 individuals who participated within the examine, sleep apnea was detected in 1,016 members and hypertension in 2,230.

The examine outcomes are promising sufficient that Cardiogram believes with extra badysis, wearables just like the Apple Watch could possibly be used as a value efficient strategy to take a look at for hypertension and sleep apnea.

The outcome was accuracy excessive sufficient to help possible, cost-effective, widely-deployable screening of hypertension and sleep apnea.

For sleep apnea, DeepHeart achieved an accuracy (c-statistic, or AUC ROC) of 90%, with a number of enticing working factors. For instance, we will detect 52% of sleep apnea ( in comparison with 20% in the present day) with a specificity of 97%. If a specificity of 82% is appropriate, then we will detect much more sleep apnea, about 75% of individuals. For hypertension, the AUC was zero.82, with an instance working level of 81% sensitivity at 63.2% specificity.

Cardiogram says that peer-reviewed medical badysis might be essential to additional decide whether or not wearables are in a position to display screen for main well being situations like sleep apnea and hypertension, however the badysis outcomes might be translated into future Cardiogram options.

Cardiogram beforehand used the identical neural community and Apple Watch information to find out that the Apple Watch is ready to detect irregular coronary heart charge rhythms with 97 p.c accuracy. This has led Apple group up with Stanford for its personal examine on whether or not the Apple Watch can detect irregular well being rhythms and customary coronary heart issues.

In the longer term, Cardiogram plans to develop its badysis to extra situations like pre-diabetes and diabetes.



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