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Biomedical Engineering and Bioengineering Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 1 - 3 of 3
Full-Text Articles in Biomedical Engineering and Bioengineering
Fluid Mechanic Assessment Of The Total Cavopulmonary Connection Using Magnetic Resonance Phase Velocity Mapping And Digital Particle Image Velocimetry, Ann E. Ensley, Agnès Ramuzat, Timothy M. Healy, George P. Chatzimavroudis, Carol Lucas, Shiva Sharma, Roderic Pettigrew, Ajit P. Yoganathan
Fluid Mechanic Assessment Of The Total Cavopulmonary Connection Using Magnetic Resonance Phase Velocity Mapping And Digital Particle Image Velocimetry, Ann E. Ensley, Agnès Ramuzat, Timothy M. Healy, George P. Chatzimavroudis, Carol Lucas, Shiva Sharma, Roderic Pettigrew, Ajit P. Yoganathan
Chemical & Biomedical Engineering Faculty Publications
The total cavopulmonary connection (TCPC) is currently the most promising modification of the Fontan surgical repair for single ventricle congenital heart disease. The TCPC involves a surgical connection of the superior and inferior vena cavae directly to the left and right pulmonary arteries, bypassing the right heart. In the univentricular system, the ventricle experiences a workload which may be reduced by optimizing the cavae-to-pulmonary anastomosis. The hypothesis of this study was that the energetic efficiency of the connection is a consequence of the fluid dynamics which develop as a function of connection geometry. Magnetic resonance phase velocity mapping (MRPVM) and …
Functional Infrared Imaging Of The Breast, J. Keyserlingk, P. Ahlgren, E. Yu, N. Belliveau, M. Yassa
Functional Infrared Imaging Of The Breast, J. Keyserlingk, P. Ahlgren, E. Yu, N. Belliveau, M. Yassa
Edward Yu
In order to re-assess the potential contribution of infrared (IR) imaging as a first-line component of a multi-imaging strategy using currently available technology, we first review the history of its introduction and clinical application, including the results of the Breast Cancer Detection Demonstration Projects (BCDDP). We then discuss experiments with a new high-resolution, computerized IR station and software program acquired by the Ville Marie Breast Center to assess IR imaging's ability to complement clinical examination and mammography in the early detection of breast cancer. Our goal is to show that high-resolution IR imaging provides additional safe, practical, and objective information …
Applications Of Wavelet Transforms In Biomedical Optoacoustics, Zibiao Wei, Shujun Yang, Amin N. Dharamsi, Barbara Hargrave
Applications Of Wavelet Transforms In Biomedical Optoacoustics, Zibiao Wei, Shujun Yang, Amin N. Dharamsi, Barbara Hargrave
Biological Sciences Faculty Publications
We discuss the utility of wavelet transform methods in signal processing in general, and in particular, demonstrate the technique in optoacoustic applications. In several optoacoustic experiments with different samples, we have successfully enhanced the signal to noise ratios. Wavelet transforms optimize resolution by utilizing a tailored, variable time-window in different frequency regions. The technique's great advantage lies in the fact that the wavelet transform adds some redundancy to the original signal, and some desired features can be enhanced in the transformed space. In addition, proper choice of the basis set allows a sparse representation of the signal. Therefore, even when …