ArticleScience advances2023
Observation of natural flexural pulse waves in retinal and carotid arteries for wall elasticity estimation.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Retinal vascular parameters as AI-driven biomarkers for pulse wave velocity assessment: a telemedicine strategy for cardiovascular risk assessment.Annals of medicine · 2026Article
- Therapeutic potential of hookworm proteins in promoting regulatory immune responses to modulate Trypanosoma cruzi induced liver inflammation and oxidative stress.Memorias do Instituto Oswaldo Cruz · 2026Article
- Biophysically constrained dynamical modelling of the brain using multimodal magnetic resonance imaging.Brain research bulletin · 2025Article
- Direct extraction of respiratory information from pulse waves using a finger-inspired flexible pressure sensor system.Microsystems & nanoengineering · 2025Article
- Toward quantitative X-ray elastography of coronary arteries using flexural pulse waves.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Feasibility of a method for measurement of retinal pulse-propagated wave velocity in humans.Microvascular research · 2025Article
- Instrumenting Carotid Sonography Biomarkers and Polygenic Risk Score As a Novel Screening Approach for Retinal Detachment.Translational vision science & technology · 2025Article
- Calculation of vessel pulse wave velocities in retinal vein segments within the optic disc centre.Scientific reports · 2024Article
- The fundamental mechanisms of the Korotkoff sounds generation.Science advances · 2023Article
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The risk of cardiovascular events is linked to arterial elasticity that can be estimated from the pulse wave velocity. This symmetric wave velocity is related to the wall elasticity through the Moens-Korteweg equation. However, ultrasound imaging techniques need improved accuracy, and optical measurements on retinal arteries produce inconsistent results. Here, we report the first observation of an antisymmetric pulse wave: the flexural pulse wave. An optical system performs in vivo wave velocity measurements on retinal arteries and veins. Velocity estimation ranges between 1 and 10 millimeter per second. The theory of guided waves confirms the existence of this wave mode and its low velocity. Natural flexural waves can also be detected at the bigger scale of a carotid artery using ultrafast ultrasound imaging. This second natural pulse wave has great potential of becoming a biomarker of blood vessel aging.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.