1-20 of 23
Keywords: MRI
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J Biomech Eng. September 2022, 144(9): 091011.
Paper No: BIO-21-1378
Published Online: April 19, 2022
...-PCMR data were acquired in the aortas of healthy men (n = 12) and women (n = 15) and time-averaged WSS (TAWSS) was compared. Agreement was observed when comparing TAWSS between CFD and the PCMR flow-based method with a correlation coefficient of 0.88 (CFD: 15.0 ± 1.9 versus MRI: 13.5 ± 2.4 dyn/cm 2...
Journal Articles
Article Type: Research-Article
J Biomech Eng. November 2019, 141(11): 111010.
Paper No: BIO-19-1062
Published Online: July 31, 2019
... a stiffness distribution through the thrombus thickness. In this work, we use magnetic resonance imaging (MRI) to delineate the heterogeneous composition of ILT in 7 AAAs and perform patient–specific finite element analysis under multiple conditions of ILT layer stiffness disparity. We find that explicit...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J Biomech Eng. October 2014, 136(10): 101008.
Paper No: BIO-13-1535
Published Online: August 12, 2014
.... In the descending aorta there is general agreement in RRT patterns across different mice, which generally agree well with the average mouse, and is true for both geometries derived from MRI and CT. The patterns are consistent enough to lead one to conclude that there are areas of elevated RRT on the inner curvature...
Journal Articles
Article Type: Design Innovation Paper
J Biomech Eng. September 2014, 136(9): 095001.
Paper No: BIO-14-1053
Published Online: June 26, 2014
... information is needed about how the constituent tissues of the cord (i.e., gray and white matter) respond to injurious stimuli. To address this limitation, we developed a novel magnetic resonance imaging (MRI)-compatible test apparatus that can impose either a contusion-type or dislocation-type acute cervical...
Journal Articles
Article Type: Research-Article
J Biomech Eng. October 2013, 135(10): 101002.
Paper No: BIO-12-1601
Published Online: September 13, 2013
... on Quantitative Magnetic Resonance Imaging ,” IEEE Trans. Med. Imaging , 27 , pp. 737 – 744 . 10.1109/TMI.2007.907323 [5] Koo , S. , Gold , G. E. , and Andriacchi , T. P. , 2005 , “ Considerations in Measuring Cartilage Thickness Using MRI: Factors Influencing Reproducibility and Accuracy...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. March 2013, 135(3): 034502.
Paper No: BIO-12-1261
Published Online: February 11, 2013
... and with an increased trigger reliability leads to more efficient and higher quality imaging. Although MR-Tagging was used in this work, the gating method presented here could be applied to any Cardiac MRI technique used on animals when the LV pressure is available. This work was supported in part...
Journal Articles
Article Type: Research Papers
J Biomech Eng. January 2012, 134(1): 011008.
Published Online: February 9, 2012
...Haofei Liu; Gador Canton; Chun Yuan; Chun Yang; Kristen Billiar; Zhongzhao Teng; Allen H. Hoffman; Dalin Tang In vivo magnetic resonance image (MRI)-based computational models have been introduced to calculate atherosclerotic plaque stress and strain conditions for possible rupture predictions...
Journal Articles
Article Type: Research Papers
J Biomech Eng. October 2011, 133(10): 101005.
Published Online: October 31, 2011
...Yangqiu Hu; William R. Ledoux; Michael Fassbind; Eric S. Rohr; Bruce J. Sangeorzan; David Haynor We report an image segmentation and registration method for studying joint morphology and kinematics from in vivo magnetic resonance imaging (MRI) scans and its application to the analysis of foot...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. June 2011, 133(6): 064503.
Published Online: June 14, 2011
.... A novel combination of computational and statistical models based on serial magnetic resonance imaging (MRI) was introduced to quantify sensitivity and specificity of mechanical predictors to identify the best candidate for plaque rupture site prediction. Serial in vivo MRI data of carotid plaque from one...
Journal Articles
Article Type: Research Papers
J Biomech Eng. October 2010, 132(10): 101008.
Published Online: October 1, 2010
... be determined according to the recipient size and there is a need to estimate it from magnetic resonance imaging (MRI) of the contralateral knee or the injured knee bones. The use of the contralateral-knee for size matching is problematic due to economic and practical reasons. Hence, there are significant...
Journal Articles
Article Type: Research Papers
J Biomech Eng. October 2010, 132(10): 101004.
Published Online: October 1, 2010
... is heterogeneous and anisotropic. We developed and applied a new technique to measure spatial and directional variations in surface growth from longitudinal magnetic resonance imaging (MRI) studies of a single animal or human subject. MRI provides high resolution 3D image volumes of the brain at different stages...
Journal Articles
Article Type: Research Papers
J Biomech Eng. August 2010, 132(8): 081005.
Published Online: June 15, 2010
... and sonication times between 20 s and 40 s. It was found that histology consistently yielded lower lesion volumes than the other two methods, and the calculated values were below magnetic resonance imaging (MRI) at high applied energies. Still, the three methods agreed with each other to within a ± 10...
Journal Articles
Article Type: Research Papers
J Biomech Eng. July 2010, 132(7): 071014.
Published Online: June 2, 2010
...Shogo Miyata; Kazuhiro Homma; Tomokazu Numano; Tetsuya Tateishi; Takashi Ushida Applying tissue-engineered cartilage in a clinical setting requires noninvasive evaluation to detect the maturity of the cartilage. Magnetic resonance imaging (MRI) of articular cartilage has been widely accepted...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. June 2010, 132(6): 064503.
Published Online: April 28, 2010
... (MRI) since the laser energy delivery system does not interfere with MRI. This report deals with mathematical modeling and analysis of laser coagulation of tissue. This model is intended for “real-time” analysis of magnetic resonance images obtained during the coagulation process to guide clinical...
Journal Articles
Article Type: Research Papers
J Biomech Eng. April 2010, 132(4): 041007.
Published Online: March 18, 2010
...Matthew F. Koff; Le Roy Chong; Patrick Virtue; Dan Chen; Xioanan Wang; Timothy Wright; Hollis G. Potter Different methods have been used to cross-validate cartilage thickness measurements from magnetic resonance images (MRIs); however, a majority of these methods rely on interpolated data points...
Journal Articles
Article Type: Research Papers
J Biomech Eng. March 2010, 132(3): 031007.
Published Online: February 17, 2010
... models have been introduced seeking critical mechanical indicators, which may be used for plaque vulnerability assessment. This study extends the previous 2D critical stress concept to 3D by using in vivo magnetic resonance image (MRI) data of human atherosclerotic carotid plaques and 3D fluid-structure...
Journal Articles
Article Type: Research Papers
J Biomech Eng. December 2009, 131(12): 121002.
Published Online: October 29, 2009
...-7322 , 104 , pp. 2051 – 2056 . 10.1161/hc4201.097839 Trivedi , R. A. , U-King-Im , J. , Graves , M. J. , Horsley , J. , Goddard , M. , Kirkpatrick , P. J. , and Gillard , J. H. , 2004 , “ Multi-Sequence In Vivo MRI Can Quantify Fibrous Cap and Lipid Core...
Journal Articles
Article Type: Research Papers
J Biomech Eng. December 2009, 131(12): 121004.
Published Online: October 29, 2009
... compared point wise for the overall surface. The linear mixed-effects model was used for statistical test. On average, taking account of individual variations, the thickness measurements in MRI were overestimated in thinner ( < 2.5 mm ) regions. The cartilage thicker than 2.5 mm was accurately predicted...
Journal Articles
Article Type: Research Papers
J Biomech Eng. February 2009, 131(2): 021010.
Published Online: December 10, 2008
... ventricle using a combination of a finite-volume computational fluid dynamics (CFD) approach and magnetic resonance imaging (MRI) experiments. An anatomically accurate 3D model of the entire SAS of a healthy volunteer was reconstructed from high resolution T2 weighted MRI data. Subject-specific pulsatile...
Journal Articles
Article Type: Research Papers
J Biomech Eng. April 2008, 130(2): 021013.
Published Online: March 31, 2008
... of nonlinear viscoelastic properties obtained by others at slower rates, either ex vivo or invasively. We gratefully acknowledge the assistance of Benjamin Zatlin, Christine MacDonald, and colleagues in the Washington University Biomedical MR Laboratory. MRI facilities support was provided by National...