Search Results - "Rettmann, Dan"

PROMO: Real-time prospective motion correction in MRI using image-based tracking by White, Nathan, Roddey, Cooper, Shankaranarayanan, Ajit, Han, Eric, Rettmann, Dan, Santos, Juan, Kuperman, Josh, Dale, Anders

“…Artifacts caused by patient motion during scanning remain a serious problem in most MRI applications. The prospective motion correction technique attempts to…”
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DIfferential subsampling with cartesian ordering (DISCO): A high spatio-temporal resolution dixon imaging sequence for multiphasic contrast enhanced abdominal imaging by Saranathan, Manojkumar, Rettmann, Dan W., Hargreaves, Brian A., Clarke, Sharon E., Vasanawala, Shreyas S.

“…Purpose: To develop and evaluate a multiphasic contrast‐enhanced MRI method called DIfferential Sub‐sampling with Cartesian Ordering (DISCO) for abdominal…”
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Physics for clinicians: Fluid‐attenuated inversion recovery (FLAIR) and double inversion recovery (DIR) Imaging by Saranathan, Manojkumar, Worters, Pauline W., Rettmann, Dan W., Winegar, Blair, Becker, Jennifer

“…A pedagogical review of fluid‐attenuated inversion recovery (FLAIR) and double inversion recovery (DIR) imaging is conducted in this article. The basics of the…”
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Rigid real-time prospective motion-corrected three-dimensional multiparametric mapping of the human brain by Fujita, Shohei, Hagiwara, Akifumi, Takei, Naoyuki, Fukunaga, Issei, Hagiwara, Yasuhiro, Ogawa, Takashi, Hatano, Taku, Rettmann, Dan, Banerjee, Suchandrima, Hwang, Ken-Pin, Amemiya, Shiori, Kamagata, Koji, Hattori, Nobutaka, Abe, Osamu, Aoki, Shigeki

“…To develop a rigid real-time prospective motion-corrected multiparametric mapping technique and to test the performance of quantitative estimates. Motion…”
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Variable spatiotemporal resolution three-dimensional dixon sequence for rapid dynamic contrast-enhanced breast MRI by Saranathan, Manojkumar, Rettmann, Dan W., Hargreaves, Brian A., Lipson, Jafi A., Daniel, Bruce L.

“…Purpose To investigate a new variable spatiotemporal resolution dynamic contrast‐enhanced (DCE) MRI method termed DIfferential Subsampling with Cartesian…”
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Accurate and objective infarct sizing by contrast-enhanced magnetic resonance imaging in a canine myocardial infarction model by Amado, Luciano C., Gerber, Bernhard L., Gupta, Sandeep N., Rettmann, Dan W., Szarf, Gilberto, Schock, Robert, Nasir, Khurram, Kraitchman, Dara L., Lima, João A.C.

“…To identify an accurate and reproducible method to define myocardial infarct (MI) size, we conducted a study in a closed-chest canine model of acute myocardial…”
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Effectiveness of navigator-based prospective motion correction in MPRAGE data acquired at 3T by Sarlls, Joelle E, Lalonde, Francois, Rettmann, Dan, Shankaranarayanan, Ajit, Roopchansingh, Vinai, Talagala, S Lalith

“…In MRI, subject motion results in image artifacts. High-resolution 3D scans, like MPRAGE, are particularly susceptible to motion because of long scan times and…”
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What Accuracy Is Required for Automated CMR? A Comparison Between Automated and Operator Recognition of the Valve in a Short Axis Stack by Gorodezky, Margarita, Vinsky, Michael, Ma, Junjie, Nikbeh, Fara, Thomas, Mary, Solana, Ana Beatriz, Wang, Haonan, Wang, Pingni, Quarterman, Patrick, Ali, Eman, Hoertemoeller, Martina, Kaushik, Sandeep, Rettmann, Dan, Hsiao, Albert, Janich, Martin, Delso, Gaspar

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Prospective motion correction of high-resolution magnetic resonance imaging data in children by Brown, Timothy T., Kuperman, Joshua M., Erhart, Matthew, White, Nathan S., Roddey, J. Cooper, Shankaranarayanan, Ajit, Han, Eric T., Rettmann, Dan, Dale, Anders M.

“…Motion artifacts pose significant problems for the acquisition and analysis of high-resolution magnetic resonance imaging data. These artifacts can be…”
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Absolute myocardial perfusion in canines measured by using dual-bolus first-pass MR imaging by Christian, Timothy F, Rettmann, Dan W, Aletras, Anthony H, Liao, Steve L, Taylor, Joni L, Balaban, Robert S, Arai, Andrew E

“…To compare fluorescent microsphere measurements of myocardial blood flow (MBF) with qualitative, semiquantitative, and fully quantitative measurements of…”
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Utility of real-time prospective motion correction (PROMO) for segmentation of cerebral cortex on 3D T1-weighted imaging: Voxel-based morphometry analysis for uncooperative patients by Igata, Natsuki, Kakeda, Shingo, Watanabe, Keita, Nozaki, Atsushi, Rettmann, Dan, Narimatsu, Hidekuni, Ide, Satoru, Abe, Osamu, Korogi, Yukunori

“…Objective To assess the utility of the motion correction method with prospective motion correction (PROMO) in a voxel-based morphometry (VBM) analysis for…”
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Utility of real-time prospective motion correction (PROMO) on 3D T1-weighted imaging in automated brain structure measurements by Watanabe, Keita, Kakeda, Shingo, Igata, Natsuki, Watanabe, Rieko, Narimatsu, Hidekuni, Nozaki, Atsushi, Dan Rettmann, Abe, Osamu, Korogi, Yukunori

“…PROspective MOtion correction (PROMO) can prevent motion artefacts. The aim of this study was to determine whether brain structure measurements of…”
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Rigid Motion Correction for Brain PET/MR Imaging Using Optical Tracking by Spangler-Bickell, Matthew G., Khalighi, Mohammad Mehdi, Hoo, Charlotte, DiGiacomo, Phillip Scott, Maclaren, Julian, Aksoy, Murat, Rettmann, Dan, Bammer, Roland, Zaharchuk, Greg, Zeineh, Michael, Jansen, Floris

“…A significant challenge during high-resolution PET brain imaging on PET/MR scanners is patient head motion. This challenge is particularly significant for…”
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High resolution multi-arterial phase MRI improves lesion contrast in chronic liver disease by Clarke, Sharon E, Saranathan, Manojkumar, Rettmann, Dan W, Hargreaves, Brian A, Vasanawala, Shreyas S

“…To determine the reliability of arterial phase capture and evaluate hypervascular lesion contrast kinetics with a combined view-sharing and parallel imaging…”
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Evaluation of a New, Highly Flexible Radiofrequency Coil for MR Simulation of Patients Undergoing External Beam Radiation Therapy by McGee, Kiaran P., Campeau, Norbert G., Witte, Robert J., Rossman, Philip J., Christopherson, Jackie A., Tryggestad, Erik J., Brinkmann, Debra H., Ma, Daniel J., Park, Sean S., Rettmann, Dan W., Robb, Fraser J.

“…Purpose: To evaluate the performance of a new, highly flexible radiofrequency (RF) coil system for imaging patients undergoing MR simulation. Methods:…”
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Prospective motion correction improves diagnostic utility of pediatric MRI scans by Kuperman, Joshua M., Brown, Timothy T., Ahmadi, Mazyar E., Erhart, Matthew J., White, Nathan S., Roddey, J. Cooper, Shankaranarayanan, Ajit, Han, Eric T., Rettmann, Dan, Dale, Anders M.

“…A new technique for prospectively correcting head motion (called PROMO) during acquisition of high-resolution MRI scans has been developed to reduce motion…”
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Myocardial delayed enhancement using parallel imaging with an overlapping partial-Fourier acquisition and variable k-space segmentation by Slavin, Glenn S, Rettmann, Dan W, Glockner, James, Saranathan, Manoj

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High temporal resolution breathheld 3D FIESTA CINE imaging: Validation of ventricular function in patients with chronic myocardial infarction by Rettmann, Dan W., Saranathan, Manojkumar, Wu, Katherine C., Azevedo, Clerio F., Bluemke, David A., Foo, Thomas K.F.

“…Purpose To develop a gated single‐breathhold, high temporal resolution three‐dimensional (3D) CINE imaging technique and to evaluate its accuracy in volumetric…”
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Addressing efficiency and residual magnetization cross talk in multi-slice 2D steady-state free precession imaging of the heart by Slavin, Glenn S., Rettmann, Dan W.

“…This work presents an efficient method for achieving steady state in multi‐slice 2D balanced steady‐state free precession (SSFP) imaging of cardiac function…”
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A within‐coil optical prospective motion‐correction system for brain imaging at 7T by DiGiacomo, Phillip, Maclaren, Julian, Aksoy, Murat, Tong, Elizabeth, Carlson, Mackenzie, Lanzman, Bryan, Hashmi, Syed, Watkins, Ronald, Rosenberg, Jarrett, Burns, Brian, Skloss, Timothy W., Rettmann, Dan, Rutt, Brian, Bammer, Roland, Zeineh, Michael

“…Purpose Motion artifact limits the clinical translation of high‐field MR. We present an optical prospective motion correction system for 7 Tesla MRI using a…”
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