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Updated: May 30, 2025

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Multi-Modal Home Sleep Monitoring in Older Adults
Published on: January 26, 2019
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Multidiagnostic chest-worn patch to detect obstructive sleep apnea and cardiac arrhythmias
Cathy Goldstein1, Hamid Ghanbari2, Surina Sharma3
1Department of Neurology, University of Michigan, Ann Arbor, Michigan.
Summary
The SANSA device effectively detects obstructive sleep apnea (OSA) and cardiac arrhythmias simultaneously. This dual-functionality tool shows promise for improving patient diagnosis and management of both conditions.
Area of Science:
- Cardiology
- Pulmonology
- Medical Devices
Background:
- Obstructive sleep apnea (OSA) and cardiac arrhythmias are common conditions.
- Simultaneous diagnosis can improve patient management.
- The SANSA device offers a novel approach to combined diagnostics.
Purpose of the Study:
- To evaluate the performance of the SANSA device for simultaneous assessment of obstructive sleep apnea (OSA) and cardiac arrhythmias.
- To compare SANSA's diagnostic accuracy against polysomnography (PSG).
Main Methods:
- Participants with suspected OSA underwent PSG with SANSA monitoring.
- SANSA's algorithm was trained and tested on PSG data.
- Performance was assessed using standard diagnostic metrics and correlation analyses.
- ECG data was reviewed for significant arrhythmias.
Main Results:
- SANSA demonstrated high sensitivity (91-97%) and specificity (78-97%) for OSA detection.
- Good correlation (0.83) was found for total sleep time compared to PSG.
- Significant arrhythmias were detected in 32% of participants, often associated with higher OSA severity.
Conclusions:
- SANSA is a promising tool for comprehensive OSA evaluation.
- The device offers the unique advantage of concurrent cardiac arrhythmia detection.
- Dual functionality may lead to improved patient outcomes through early diagnosis and management.
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