Cardiex Publishes Study Validating Noninvasive Fingertip PPG for Central Aortic Pressure Analysis

A peer-reviewed study recently published in the journal Pulse validates Cardiex’s innovative method for measuring central aortic pressure using noninvasive fingertip photoplethysmography (PPG). This study, co-authored by the Cardiex research team, represents a major step forward in cardiovascular diagnostics, confirming the accuracy of using a wearable fingertip sensor to capture critical heart health data.

Breakthrough in Central Aortic Pressure Monitoring

The study, titled Validation of Noninvasive Derivation of the Central Aortic Pressure Waveform from Fingertip Photoplethysmography Using a Novel Selective Transfer Function Method, highlights a strong correlation between measurements from the fingertip PPG sensor and traditional methods for assessing central aortic pressure. This noninvasive method requires no calibration, offering a more accessible and comfortable approach to monitoring cardiovascular health.

Key Cardiovascular Metrics Captured by PPG Technology  

Cardiex’s PPG technology can capture over 20 clinically relevant cardiovascular parameters, including:

• Central systolic and diastolic blood pressure (cSBP, cDBP)
• Central pulse pressure (cPP)
• Augmentation pressure (AP)
• Augmentation index (AIx)
• Subendocardial viability ratio (SEVR)
• Pulse pressure amplification (PPA)

These findings demonstrate the potential of PPG-based sensors to provide continuous, real-time cardiovascular monitoring in both clinical and consumer health applications.

The Future of Wearable Health Technology

This study’s relevance extends into the rapidly growing wearable health market. With consumers increasingly demanding more sophisticated health insights from their devices, the ability to noninvasively track central aortic pressure and other key cardiovascular metrics without the need for frequent calibration is highly significant. The technology’s ease of use and ability to monitor a wide range of cardiovascular parameters in real time highlight its potential for integration into both medical devices and consumer-grade wearables.

Conclusion: Advancing Noninvasive Cardiovascular Monitoring

This study confirms that Cardiex’s PPG-based solution can provide valuable cardiovascular data through a simple, noninvasive fingertip sensor. As the market for wearable health technology expands, these findings position Cardiex at the forefront of innovations that deliver deeper cardiovascular insights in an accessible, user-friendly format.

For more details, the full study is available in the journal Pulse: DOI 10.1159/000540666.