Spectral photoacoustic and ultrasound imaging of vascular function

Kristie Huda; Vinoin Vincely; Carolyn L. Bayer

doi:10.1117/12.2661610

17 March 2023 Spectral photoacoustic and ultrasound imaging of vascular function

Kristie Huda, Vinoin Vincely, Carolyn L. Bayer

Proceedings Volume PC12363, Multiscale Imaging and Spectroscopy IV; PC123630D (2023) https://doi.org/10.1117/12.2661610
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

The altered placental function which is characteristic of preeclampsia is challenging to characterize with existing imaging techniques. We have developed ultrasound-guided spectral photoacoustic imaging of placental function in an in vivo rat model of preeclampsia, and investigated the impact of therapy on preeclampsia and placental function. Additionally, we have studied the acute vascular response during pregnancy – determining vascular selectivity and response time to vasoactive compounds — using photoacoustic tomography. We integrate our photoacoustic imaging methods with contrast-enhanced ultrasound to provide measures of placental vascular flow. By combining these hybrid optical-acoustic imaging techniques, we characterize placental pathologies and their responses to treatment.

Conference Presentation

Citation Download Citation

Kristie Huda, Vinoin Vincely, and Carolyn L. Bayer "Spectral photoacoustic and ultrasound imaging of vascular function", Proc. SPIE PC12363, Multiscale Imaging and Spectroscopy IV, PC123630D (17 March 2023); https://doi.org/10.1117/12.2661610

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