Ultrasound computer tomography based tissue engineered blood vessel growth monitoring: a feasibility study

Yichuan Tang; Vanshika Rohera; Enxhi Jaupi; Matthew A. Bruno; Lianne Ureneck; Marilyn E. Galdamez; Marsha W. Rolle; Haichong K. Zhang

doi:10.1117/12.2582304

15 February 2021 Ultrasound computer tomography based tissue engineered blood vessel growth monitoring: a feasibility study

Yichuan Tang, Vanshika Rohera, Enxhi Jaupi, Matthew A. Bruno, Lianne Ureneck, Marilyn E. Galdamez, Marsha W. Rolle, Haichong K. Zhang

Author Affiliations +

Proceedings Volume 11602, Medical Imaging 2021: Ultrasonic Imaging and Tomography; 116020C (2021) https://doi.org/10.1117/12.2582304
Event: SPIE Medical Imaging, 2021, Online Only

Abstract

The advancement in bio-engineering technology has enabled tissues to be artificially cultivated from human cells, providing the opportunity to model disease and discover potential treatments 1 . Blood vessel is an important category of human tissues that can be artificially engineered to facilitate the development of treatment plans for vascular diseases. The growth of tissue engineered blood vessels (TEBVs) is a costly procedure, and effective quality control during the growing process could help reduce waste and optimize the cultivation process. Imaging technologies, such as optical coherence tomography5,6 (OCT), have been applied to obtain cross-sectional images of TEBVs, which could be used as a nondestructive method to assess blood vessel during cultivation. Ultrasound (US) imaging has been widely accepted in clinical practice due to its real-time imaging capacity and zero radiation emission; and compared to optics-based imaging modality it is more accessible financially. We implemented an US computer tomography (USCT) based monitoring system on assisting quality control in TEBV growth. In this prototype, a single element transducer is placed in a circular stand that rotates around the TEBV bioreactor to collect A-lines from different angles. Mechatronics systems are used to actuate the transducer for circular motion. A circular back-projection method is used in image reconstruction. Experiments were carried out with point phantom and the bioreactor to validate the imaging functionality of the prototype. Reconstructed images provide validation to the feasibility of using USCT to monitor the growth of TEBV growth.

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Yichuan Tang, Vanshika Rohera, Enxhi Jaupi, Matthew A. Bruno, Lianne Ureneck, Marilyn E. Galdamez, Marsha W. Rolle, and Haichong K. Zhang "Ultrasound computer tomography based tissue engineered blood vessel growth monitoring: a feasibility study", Proc. SPIE 11602, Medical Imaging 2021: Ultrasonic Imaging and Tomography, 116020C (15 February 2021); https://doi.org/10.1117/12.2582304

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