Zobrazeno 1 - 10
of 47
pro vyhledávání: '"B.J. Fahey"'
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 55:1095-1111
A novel method of physiological motion compensation for use with radiation force elasticity imaging has been developed. The method utilizes a priori information from finite element method models of the response of soft tissue to impulsive radiation f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be96e6bf25bd10f02d23e17045a09e35
https://doi.org/10.1109/tuffc.2008.762
https://doi.org/10.1109/tuffc.2008.762
Publikováno v:
Ultrasound in Medicine & Biology. 33:1149-1166
The effect of physiological motion on the quality of radiation force elasticity images has been investigated. Experimental studies and simulated images were used to investigate the impact of motion effects on image quality metrics over a range of cli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c9e820bde8ccde9fda97cd5c98937a5
https://doi.org/10.1016/j.ultrasmedbio.2007.01.007
https://doi.org/10.1016/j.ultrasmedbio.2007.01.007
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 54:996-1009
Intracardiac echocardiography (ICE) has been demonstrated to be an effective imaging modality for the guidance of several cardiac procedures, including radiofrequency ablation (RFA). However, assessing lesion size during the ablation with conventiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0803da6eda7bed4b56faa475ec3eb26
https://doi.org/10.1109/tuffc.2007.345
https://doi.org/10.1109/tuffc.2007.345
Publikováno v:
Ultrasonic Imaging. 28:193-210
With the advent of real-time Acoustic Radiation Force Impulse (ARFI) imaging, elevated frame rates are both desirable and relevant from a clinical perspective. However, fundamental limitations on frame rates are imposed by thermal safety concerns rel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40fe82579d52ce7f63a2456906e46a56
https://doi.org/10.1177/016173460602800401
https://doi.org/10.1177/016173460602800401
Autor:
B.J. Fahey, Kathryn R. Nightingale, Mark L. Palmeri, Gregg E. Trahey, Patrick D. Wolf, Stephen A. McAleavey
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 52:631-641
Acoustic radiation force impulse (ARFI) imaging techniques were used to monitor radiofrequency (RF) ablation of ovine cardiac tissue in vivo. Additionally, ARFI M-mode imaging methods were used to interrogate both healthy and ablated regions of myoca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::795ea7ea71e0d2cb5139c6e118d714ab
https://doi.org/10.1109/tuffc.2005.1428046
https://doi.org/10.1109/tuffc.2005.1428046
Publikováno v:
Ultrasound in Medicine & Biology. 30:321-328
The ability of acoustic radiation force impulse (ARFI) imaging to visualize thermally- and chemically-induced lesions in soft tissues was investigated. Lesions were induced in freshly excised bovine liver samples. Chemical lesions were induced via th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a217ba5443f92239ae8d84a1bfac7e3b
https://doi.org/10.1016/j.ultrasmedbio.2003.11.012
https://doi.org/10.1016/j.ultrasmedbio.2003.11.012
Autor:
Gregg E. Trahey, B.J. Fahey, Jeremy J. Dahl, Douglas M. Dumont, Elizabeth M. Miller, Jason D. Allen
Acoustic radiation force impulse (ARFI) imaging characterizes the mechanical properties of tissue by measuring displacement resulting from applied ultrasonic radiation force. In this paper, we describe the current status of ARFI imaging for lower-lim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::380743aa9e9f84b67c2384dd8fa94213
https://europepmc.org/articles/PMC2813206/
https://europepmc.org/articles/PMC2813206/
Autor:
B.J. Fahey, Stephen J. Hsu, Gregg E. Trahey, David Bradway, Rendon C. Nelson, Douglas M. Dumont
The initial results from clinical trials investigating the utility of Acoustic Radiation Force Impulse(ARFI) imaging for use with radiofrequency ablation (RFA) procedures in the liver are presented. To date, data have been collected from 6 RFA proced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5aeab3fe9d18853e43f021c783ae3fd
https://europepmc.org/articles/PMC2610689/
https://europepmc.org/articles/PMC2610689/
Autor:
Stephen J. Hsu, B.J. Fahey, David Bradway, Douglas M. Dumont, Rendon C. Nelson, Gregg E. Trahey
The utility of acoustic radiation force impulse (ARFI) imaging for real-time visualization of abdominal malignancies was investigated. Nine patients presenting with suspicious masses in the liver (n= 7) or kidney (n= 2) underwent combined sonography/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::886e3a7a840459483bbbbd314d5dfa81
https://europepmc.org/articles/PMC2238175/
https://europepmc.org/articles/PMC2238175/
Publikováno v:
2007 IEEE Ultrasonics Symposium Proceedings.
We describe new non-invasive techniques for visualizing local variations of stiffness in cardiac tissue through the use of transthoracic acoustic radiation force impulse (ARFI) imaging. Custom M-mode and two-dimensional ARFI sequences were implemente
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b403d1949b9e5212c4febce9942fb2b4
https://doi.org/10.1109/ultsym.2007.121
https://doi.org/10.1109/ultsym.2007.121