Hyperpolarized Xe MR imaging of alveolar gas uptake in humans.

Autor: Zackary I Cleveland, Gary P Cofer, Gregory Metz, Denise Beaver, John Nouls, S Sivaram Kaushik, Monica Kraft, Jan Wolber, Kevin T Kelly, H Page McAdams, Bastiaan Driehuys

Publikováno v: PLoS ONE, Vol 5, Iss 8, p e12192 (2010)

One of the central physiological functions of the lungs is to transfer inhaled gases from the alveoli to pulmonary capillary blood. However, current measures of alveolar gas uptake provide only global information and thus lack the sensitivity and spe

Externí odkaz: https://doaj.org/article/adfafdc6bf794a6e9543c3563a04e1c8

Analysis and Evaluation of a Deep Learning Reconstruction Approach with Denoising for Orthopedic MRI

Autor: Sampada Bhave, Andrew S. Nencka, Michael R. Stetz, S. Sivaram Kaushik, Mohammad Sherafati, Graeme C. McKinnon, Rajeev Mannem, Robin Ausman, Douglas Vierck, Kevin M. Koch, V. Emre Arpinar, R. Marc Lebel, Sujan Fernando

Publikováno v: Radiol Artif Intell

PURPOSE: To evaluate two settings (noise reduction of 50% or 75%) of a deep learning (DL) reconstruction model relative to each other and to conventional MR image reconstructions on clinical orthopedic MRI datasets. MATERIALS AND METHODS: This retros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7631f5672bd6eeb7cce4757d4aa547c
https://doi.org/10.1148/ryai.2021200278

Off-resonance based assessment of metallic wear debris near total hip arthroplasty

Autor: Parina Shah, S. Sivaram Kaushik, Hollis G. Potter, Thomas W. Bauer, Kevin M. Koch, Matthew F. Koff, Andrew S. Nencka

Publikováno v: Magnetic Resonance in Medicine. 79:1628-1637

PURPOSE The presence of metallic debris near total hip arthroplasty can have a significant impact on longitudinal patient management. Methods for magnetic resonance imaging-based quantification of metallic debris near painful total hip replacements a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28cbcd341335af2d7b24f47a0dbabc6d
https://doi.org/10.1002/mrm.26807

Hyperpolarized 129Xenon Magnetic Resonance Imaging to Quantify Regional Ventilation Differences in Mild to Moderate Asthma

Autor: S. Sivaram Kaushik, Mu He, Rohan S. Virgincar, H. Page McAdams, Bastiaan Driehuys, Lukas Ebner, Matthew S. Freemann, Timothy Heacock, Monica Kraft

Publikováno v: Ebner, Lukas; He, Mu; Virgincar, Rohan S; Heacock, Timothy; Kaushik, Suryanarayanan S; Freemann, Matthew S; McAdams, H Page; Kraft, Monica; Driehuys, Bastiaan (2017). Hyperpolarized 129Xenon Magnetic Resonance Imaging to Quantify Regional Ventilation Differences in Mild to Moderate Asthma: A Prospective Comparison Between Semiautomated Ventilation Defect Percentage Calculation and Pulmonary Function Tests. Investigative radiology, 52(2), pp. 120-127. Lippincott Williams & Wilkins 10.1097/RLI.0000000000000322

OBJECTIVES The aim of this study was to investigate ventilation in mild to moderate asthmatic patients and age-matched controls using hyperpolarized (HP) Xenon magnetic resonance imaging (MRI) and correlate findings with pulmonary function tests (PFT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0c538ea426211d6657074cfd1aba68c
https://doi.org/10.1097/rli.0000000000000322

3D-multi-spectral T

Autor: Sampada, Bhave, Matthew F, Koff, S, Sivaram Kaushik, Hollis G, Potter, Kevin M, Koch

Publikováno v: Magn Reson Med

PURPOSE: Due to host-mediated adverse reaction to metallic debris, there is an increasing need for noninvasive assessment of the soft tissue surrounding large joint arthroplasties. Quantitative T(2) mapping can be beneficial for tissue characterizati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1e30f48451aa98ba17d517c51b56398c
https://pubmed.ncbi.nlm.nih.gov/30883910