SYDNEY, Sept. 26, 2024 /PRNewswire/ — Cardiex Limited (ASX: CDX), a global health technology company focused on cardiovascular diagnostics and arterial health solutions, today announced the publication of a peer-reviewed study validating its innovative method for measuring central aortic pressure—an important indicator of heart health—using a noninvasive fingertip sensor. The study, co-authored by Cardiex’s team, was published in the respected journal Pulse.
The study, titled "Validation of Noninvasive Derivation of the Central Aortic Pressure Waveform from Fingertip Photoplethysmography Using a Novel Selective Transfer Function Method," demonstrates that Cardiex’s technology can accurately capture key cardiovascular data from a simple fingertip sensor. The method leverages photoplethysmography (PPG)—an optical technique widely used in wearables such as fitness trackers and smartwatches—offering a powerful and accessible tool for advanced heart health monitoring.
Key findings include:
Strong correlation between fingertip sensor measurements and traditional methods, with heart health indicators showing excellent alignment. The fingertip sensor offers a user-friendly, noninvasive way to measure central aortic pressure parameters without calibration, making heart health monitoring more accessible and comfortable. Twenty clinically relevant parameters were captured from the converted PPG waveforms, including central systolic blood pressure, central diastolic blood pressure, central pulse pressure, central augmentation pressure, central augmentation index, subendocardial viability, and pulse pressure amplification, amongst others.
Relevance in the Wearable Health Market:
The use of PPG technology in this study is especially significant as the wearable market continues to expand, with consumers seeking more advanced health insights without the need for frequent calibration. Cardiex’s innovation aligns with this trend offering consumers the ability to track clinical grade biomarkers in real-time. These biomarkers have applications in various healthcare fields, including cognitive, renal, maternal, metabolic health, and heart failure management. The technology’s ease of use and capacity for continuous monitoring place Cardiex at the forefront of the growing wearable health sector, which increasingly prioritizes deeper and more accurate health data.
"This study is a significant validation of Cardiex’s technology and its ability to deliver critical heart health insights in a simpler, more convenient way," said Craig Cooper, CEO of Cardiex. "Our PPG-based fingertip technology has the potential to transform heart health monitoring, offering a more accessible option for both patients and healthcare providers. This breakthrough also opens up exciting opportunities for integration into the wearable health tech market, where continuous and noninvasive monitoring is becoming the gold standard."
The study confirms that Cardiex’s PPG-based solution can provide valuable cardiovascular data in a comfortable, portable format, paving the way for broader adoption in both medical and consumer-grade wearables.
The full study is now available online in the journal Pulse DOI: 10.1159/000540666.
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