Ultrasound and photoacoustic imaging for gastric tube placement guidance

Samuel John; Yoseph Adie; Nasrin Nesha; Loay Kabbani; Mohammad Mehrmohammadi

doi:10.1117/12.2627512

4 April 2022 Ultrasound and photoacoustic imaging for gastric tube placement guidance

Samuel John, Yoseph Adie, Nasrin Nesha, Loay Kabbani, Mohammad Mehrmohammadi

Proceedings Volume PC12038, Medical Imaging 2022: Ultrasonic Imaging and Tomography; PC1203804 (2022) https://doi.org/10.1117/12.2627512
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

Abstract

An estimate of more than 400,000 gastrostomy tubes (G-tubes) is placed annually in the United States. However, the poor organ visualization in endoscopy, ionizing radiation in fluoroscopy, US imaging artifacts, and limited point-of-care solutions limit the efficacy of image-guided G-tube placement procedures. Herein, we propose to develop a safe, point-of-care photoacoustic (PA) image-guidance system which utilizes a dual-wavelength approach for detecting the tissue’s endogenous and exogenous contrast agent for accurate G-tube placements. Our preliminary studies indicated that PA imaging accurately detected the dye-labeled colon-mimic, providing high contrast, artifact-free images of the introducer fiber superimposed on the US highlighted tissue background.

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Citation Download Citation

Samuel John, Yoseph Adie, Nasrin Nesha, Loay Kabbani, and Mohammad Mehrmohammadi "Ultrasound and photoacoustic imaging for gastric tube placement guidance", Proc. SPIE PC12038, Medical Imaging 2022: Ultrasonic Imaging and Tomography, PC1203804 (4 April 2022); https://doi.org/10.1117/12.2627512

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KEYWORDS

Colon

Ultrasonography

Photoacoustic imaging

Fluoroscopy

Optical fibers

Point-of-care devices

Tissues

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