Keerthi Anand

College of Engineering

Works (8)

Updated: April 5th, 2024 15:00

2023 article

Comparing Focused-Tracked and Plane Wave-Tracked ARFI Log(VoA) In Silico and in Application to Human Carotid Atherosclerotic Plaque, Ex Vivo

Anand, K. S., Torres, G., Homeister, J. W., Caughey, M. C., & Gallippi, C. M. (2023, May 22). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control.

By: K. Anand n, G. Torres  n, J. Homeister *, M. Caughey  n & C. Gallippi n

author keywords: Acoustic radiation force impulse (ARFI) imaging; atherosclerosis; carotid; elastography; plane wave; plaque characterization; variance of acceleration (VoA)
MeSH headings : Humans; Plaque, Atherosclerotic / diagnostic imaging; Plaque, Atherosclerotic / pathology; Carotid Stenosis / pathology; Carotid Arteries / diagnostic imaging; Carotid Arteries / pathology; Atherosclerosis; Elasticity Imaging Techniques / methods
topics (OpenAlex): Ultrasound Imaging and Elastography; Cerebrovascular and Carotid Artery Diseases; Photoacoustic and Ultrasonic Imaging
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10. Reduced Inequalities (OpenAlex)
Source: Web Of Science
Added: August 7, 2023

2022 article

4D Cardiac Gated Vector Flow Imaging Accurately Measures WSS in a Pressurized Closed-Loop System

Anand, K. S., & Gallippi, C. M. (2022, October 10). 2022 IEEE International Ultrasonics Symposium (IUS).

By: K. Anand n & C. Gallippi n

author keywords: wall shear stress; WSS; plane wave; 4D; vector flow
topics (OpenAlex): Cardiac Imaging and Diagnostics; Advanced MRI Techniques and Applications; Cardiovascular Function and Risk Factors
TL;DR: The results demonstrate that, despite the poor elevational resolution of a linear array, volumetric WSS can be measured throughout the cardiac cycle. (via Semantic Scholar)
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Source: Web Of Science
Added: February 6, 2023

2022 article

Concurrent ARFI Plaque Imaging and Wall Shear Stress Measurement in Human Carotid Artery, with Validation by Fluid Structure Interaction Models

Anand, K. S., Kolahdouz, E. M., Homeister, J., Smith, M.-A., Griffith, B. E., & Gallippi, C. M. (2022, October 10). 2022 IEEE International Ultrasonics Symposium (IUS).

By: K. Anand n, E. Kolahdouz *, J. Homeister *, M. Smith*, B. Griffith* & C. Gallippi n

author keywords: plane wave; vector flow; ARFI; VoA; WSS; FSI; simulation
topics (OpenAlex): Cardiovascular Health and Disease Prevention; Cerebrovascular and Carotid Artery Diseases; Coronary Interventions and Diagnostics
TL;DR: The results demonstrate the feasibility of concurrent imaging of carotid plaque composition by ARFI VoA, vector flow, and WSS to better assess stroke risk. (via Semantic Scholar)
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Source: Web Of Science
Added: February 6, 2023

2022 article

Development of a Robotic Shear Wave Elastography System for Noninvasive Staging of Liver Disease in Murine Models

Czernuszewicz, T. J., Aji, A. M., Moore, C. J., Montgomery, S. A., Velasco, B., Torres, G., … Gessner, R. C. (2022, February 24). Hepatology Communications.

By: T. Czernuszewicz n, A. Aji n, C. Moore n, S. Montgomery  n, B. Velasco  n, G. Torres  n, K. Anand n, K. Johnson n ...

MeSH headings : Animals; Disease Models, Animal; Elasticity Imaging Techniques / methods; Female; Liver Cirrhosis / diagnostic imaging; Mice; Mice, Inbred C57BL; Non-alcoholic Fatty Liver Disease / diagnostic imaging; Reproducibility of Results; Robotic Surgical Procedures
topics (OpenAlex): Liver Disease Diagnosis and Treatment; Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications
TL;DR: Robotic SWE in small animals is feasible and sensitive to small changes in liver disease state, facilitating in vivo staging of rodent liver disease with minimal sonographic expertise. (via Semantic Scholar)
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3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: March 7, 2022

2021 article

Assessing the Impact of ARF Excitation Beam Width and Tracking Beam Concurrency on DoPIo Imaging Performance in a Calibrated Phantom

Yokoyama, K. A., Anand, K. S., & Gallippi, C. M. (2021, September 11).

By: K. Yokoyama n, K. Anand n & C. Gallippi n

author keywords: ARFI; Elastography; DoPIo; Speckle Tracking; PSF; Beamforming; Displacement Underestimation
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging
TL;DR: In silico experiments suggested that DoPIo acquisitions performed using a wide ARF push beam and simultaneous tracking provided the most accurate and precise elasticity estimates, while all four combinations of parameters enabled the differentiation of a soft inclusion within a stiff background in vitro. (via Semantic Scholar)
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Source: Web Of Science
Added: August 15, 2022

2021 article

Atherosclerotic Plaque Characterization in Humans with ARFI Variance of Acceleration: Blinded Reader Study

Torres, G., Caughey, M. C., Anand, K., Huang, B. Y., Lee, E. R., Zamora, C. A., … Gallippi, C. M. (2021, September 11).

By: G. Torres  n, M. Caughey  n, K. Anand n, B. Huang  n, E. Lee  n, C. Zamora  n, S. Hung  n, E. Merricks n ...

author keywords: ARFI imaging; carotid plaque
topics (OpenAlex): Cerebrovascular and Carotid Artery Diseases; Cardiovascular Health and Disease Prevention; Coronary Interventions and Diagnostics
TL;DR: This study shows the relevance of ARFI log(VoA) imaging, as interpreted by trained, blinded readers, to delineating the structure and composition of carotid atherosclerotic plaque in humans, in vivo. (via Semantic Scholar)
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Added: August 15, 2022

2021 article

Automatic Classification of Human Carotid Plaque Features, In Vivo, Using Multiple Forms of ARFI Data

Torres, G., Caughey, M. C., Anand, K., Homeister, J. W., Farber, M. A., & Gallippi, C. M. (2021, September 11).

By: G. Torres  n, M. Caughey  n, K. Anand n, J. Homeister  n, M. Farber  n & C. Gallippi n

author keywords: ARFI imaging; carotid plaque
topics (OpenAlex): Cerebrovascular and Carotid Artery Diseases; Cardiovascular Health and Disease Prevention; Acute Ischemic Stroke Management
TL;DR: Results suggest that using multiple forms of frequency and gating of ARFI data as inputs to an automatic classifier improves discrimination of carotid plaque components, relevant for rupture vulnerability assessment. (via Semantic Scholar)
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Added: August 15, 2022

2021 article

Multiangle PW Compounding Supports ARFI Variance of Acceleration (VoA) Carotid Plaque Imaging for Integration with Vector Doppler

Anand, K. S., & Gallippi, C. M. (2021, September 11).

By: K. Anand n & C. Gallippi n

author keywords: ARFI; atherosclerosis; coherent compounding; plane wave; variance of acceleration; vascular
topics (OpenAlex): Ultrasound Imaging and Elastography; Cerebrovascular and Carotid Artery Diseases; Coronary Interventions and Diagnostics
TL;DR: Compared to an unsteered PW sequence, a multi-angle compounded PW sequence improves log(VoA) performance, suggesting the potential for extension to implementation with concurrent vector Doppler imaging. (via Semantic Scholar)
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Source: Web Of Science
Added: August 15, 2022

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