Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery &Amp; Data Mining 2019
DOI: 10.1145/3292500.3330657
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Ambulatory Atrial Fibrillation Monitoring Using Wearable Photoplethysmography with Deep Learning

Abstract: We develop an algorithm that accurately detects Atrial Fibrillation (AF) episodes from photoplethysmograms (PPG) recorded in ambulatory free-living conditions. We collect and annotate a dataset containing more than 4000 hours of PPG recorded from a wrist-worn device. Using a 50-layer convolutional neural network, we achieve a test AUC of 95% and show robustness to motion artifacts inherent to PPG signals. Continuous and accurate detection of AF from PPG has the potential to transform consumer wearable devices … Show more

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Cited by 45 publications
(45 citation statements)
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“…The training data derived were a mixture of healthy individuals and patients who were hospitalized long term or for same day outpatient procedures (i.e., taken from a population with a much higher prevalence of arrhythmia than the general population). When comparing reported evaluation metrics, our algorithm outperforms other deep learning methods that have been proposed so far for AF event detection 8,[17][18][19][20][21] . However, a direct comparison of prior published work is challenging due to the lack of published code or availability of trained models and training data needed for baseline neural network-based comparisons.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The training data derived were a mixture of healthy individuals and patients who were hospitalized long term or for same day outpatient procedures (i.e., taken from a population with a much higher prevalence of arrhythmia than the general population). When comparing reported evaluation metrics, our algorithm outperforms other deep learning methods that have been proposed so far for AF event detection 8,[17][18][19][20][21] . However, a direct comparison of prior published work is challenging due to the lack of published code or availability of trained models and training data needed for baseline neural network-based comparisons.…”
Section: Discussionmentioning
confidence: 99%
“…Researchers have applied deep CNN to the problem of AF event detection 8,[17][18][19][20][21] . Shashikumar et al 17 developed a blended approach, combining the output of a CNN with other selected features derived from beat-to-beat variability and signal quality.…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, we have shown that detecting PAC/PVC can lead to significant false positive reduction during AF detection [ 40 ]. Other recent published reports [ 14 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ] have largely focused on AF without accounting for PAC/PVC and consequently their accuracy of AF detection was suboptimal.…”
Section: Discussionmentioning
confidence: 99%
“…20,28,31 Along with traditional machine learning methods, deep learning approaches have been proposed for AF detection from wrist-worn PPG. 21,23,25,28,29,32,36 Shashikumar et al 21,28 extracted first the time series and frequencydomain information as the input for their convolutional neural network. Two approaches have been based on extracted heart rate and activity data.…”
Section: Methods For Af Detection and Ppg Data Quality Assessmentmentioning
confidence: 99%
“…Most of the studies include fewer than 100 volunteers. [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34] Six studies had a study population of more than 100 subjects [35][36][37][38][39][40] ; the largest monitored 1617 volunteers in an ambulatory setting. 36 Rhythm characteristics in the study populations varied among studies.…”
Section: Study Populationsmentioning
confidence: 99%