Continuous tracking of aortic aneurysm diameter with photoplethysmography: demonstrating feasibility through computational approaches

2026-02-11 cardiovascular medicine Title + abstract only

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Abdominal aortic aneurysms (AAA) affect more than 1% of adults over 50 and carry significant mortality risk. Current surveillance relies on intermittent imaging (ultrasound or MRI) at 6-24 month intervals, which may miss rapid growth acceleration between visits. We investigate the feasibility of continuous aneurysm diameter tracking using photoplethysmography (PPG) signals. Using a one-dimensional hemodynamic model that simulates pulse wave propagation from the heart to the digital artery, we de...

Continuous tracking of aortic aneurysm diameter with photoplethysmography: demonstrating feasibility through computational approaches

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