ArticleIEEE transactions on medical imaging2025
Photoacoustic-Strain (PAS) Imaging for Tissue Microcirculation Assessment.
Article in IEEE transactions on medical imaging, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Protease-Activated Plasmonic Nanosensors for Predictive Ultrasound-Guided Photoacoustic Imaging of Tumor Responses to Adoptive T Cell Therapy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Quantitative photoacoustic tomography of skin vasculature predicts subcutaneous implant exposure.Journal of biomedical optics · 2026Article
- Ultrasound-Guided Photoacoustic Monitoring of Vascular Ischemia in Implant-Induced Skin Necrosis.Ultrasound in medicine & biology · 2025Article
- High-resolution three-dimensional quantitative photoacoustic and ultrasound imaging of subcutaneous microvasculature in extremities.Biomedical optics express · 2025Article
- Depth-dependent fluence compensation withoutJournal of biomedical optics · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Microcirculation facilitates the exchange of gases, nutrients, and waste products between blood and tissues and is critical for maintaining systemic tissue health. In this study, we introduce photoacoustic-strain (PAS) imaging, a non-invasive method for assessing tissue microcirculation. By combining externally applied deformation while performing ultrasound/photoacoustic imaging, PAS enables real-time monitoring of blood volume changes as blood is displaced from the tissue under pressure and subsequently refilled upon pressure release. Through a series of post-processing steps, spatially resolved maps of blood displacement and reperfusion rates are reconstructed, providing insights into microcirculatory dynamics. Using both in silico and in vivo experiments, PAS imaging was developed and validated, demonstrating its capability to detect and differentiate changes in microcirculation under various conditions, including vascular occlusion and tissue at different temperatures, with high sensitivity and strong robustness. These findings underscore the potential of PAS imaging as a non-invasive tool for understanding and diagnosing diseases associated with microcirculatory function.
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Registered trials
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