Rahim Rizi Department of Radiology University of Pennsylvania Biography Publications Institution JoVE Articles Rahim Rizi has not added a biography. If you are Rahim Rizi and would like to personalize this page please email our Author Liaison for assistance. Publications Volumetric Versus Distortional Deformation in Rat Lungs Proceedings of SPIE--the International Society for Optical Engineering. Feb, 2023 | Pubmed ID: 37565032 Simultaneous Quantification of Hyperpolarized Xenon-129 Ventilation and Gas Exchange with Multi-breath Xenon-polarization Transfer Contrast (XTC) MRI Magnetic Resonance in Medicine. Dec, 2023 | Pubmed ID: 37533368 Investigating the Impact of RF Saturation-pulse Parameters on Compartment-selective Gas-phase Depolarization with Xenon Polarization Transfer Contrast MRI Magnetic Resonance in Medicine. Dec, 2022 | Pubmed ID: 36046917 Unsupervised Segmentation and Quantification of COVID-19 Lesions on Computed Tomography Scans Using CycleGAN Methods (San Diego, Calif.). Sep, 2022 | Pubmed ID: 35817338 Computational Lung Modelling in Respiratory Medicine Journal of the Royal Society, Interface. Jun, 2022 | Pubmed ID: 35673857 Imatinib Alleviates Lung Injury and Prolongs Survival in Ventilated Rats American Journal of Physiology. Lung Cellular and Molecular Physiology. Jun, 2022 | Pubmed ID: 35438574 Simultaneous Imaging of Ventilation and Gas Exchange with Hyperpolarized Xe MRI for Monitoring Patients with Endobronchial Valve Interventions American Journal of Respiratory and Critical Care Medicine. May, 2022 | Pubmed ID: 35044897 MR Susceptibility Imaging for Detection of Tumor-associated Macrophages In glioblastoma Journal of Neuro-oncology. Feb, 2022 | Pubmed ID: 35043276 Deriving Regionally Specific Biomarkers of Emphysema and Small Airways Disease Using Variable Threshold Parametric Response Mapping on Volumetric Lung CT Images Academic Radiology. Feb, 2022 | Pubmed ID: 34272162 Circulating Donor Lung-specific Exosome Profiles Enable Noninvasive Monitoring of Acute Rejection in a Rodent Orthotopic Lung Transplantation Model Transplantation. Apr, 2022 | Pubmed ID: 33993180 Radial Flow Perfusion Enables Real-Time Profiling of Cellular Metabolism at Low Oxygen Levels with Hyperpolarized C NMR Spectroscopy Metabolites. Aug, 2021 | Pubmed ID: 34564392 Gadolinium-labeled Affibody-XTEN Recombinant Vector for Detection of HER2+ Lesions of Ovarian Cancer Lung Metastasis Using Quantitative MRI Journal of Controlled Release : Official Journal of the Controlled Release Society. Sep, 2021 | Pubmed ID: 34284047 Ventilation Heterogeneity Imaged by Multibreath Wash-ins of Hyperpolarized He and Xe in Healthy Rabbits The Journal of Physiology. Sep, 2021 | Pubmed ID: 34256417 Lung Distribution of Gas and Blood Volume in Critically Ill COVID-19 Patients: a Quantitative Dual-energy Computed Tomography Study Critical Care (London, England). Jun, 2021 | Pubmed ID: 34154635 Diminishing Efficacy of Prone Positioning With Late Application in Evolving Lung Injury Critical Care Medicine. Apr, 2021 | Pubmed ID: 33938714 Measuring Pulmonary Gas Exchange Using Compartment-selective Xenon-polarization Transfer Contrast (XTC) MRI Magnetic Resonance in Medicine. May, 2021 | Pubmed ID: 33283943 In Chronic Obstructive Pulmonary Disease Progression, Is It Airway Narrowing or Airway Loss? American Journal of Respiratory and Critical Care Medicine. Jan, 2021 | Pubmed ID: 32910677 Metabolic Imaging and Biological Assessment: Platforms to Evaluate Acute Lung Injury and Inflammation Frontiers in Physiology. 2020 | Pubmed ID: 32982768 Positional Therapy and Regional Pulmonary Ventilation Anesthesiology. Nov, 2020 | Pubmed ID: 32773690 Pulmonary Pyruvate Metabolism As an Index of Inflammation and Injury in a Rat Model of Acute Respiratory Distress Syndrome NMR in Biomedicine. Nov, 2020 | Pubmed ID: 32681670 Investigating Biases in the Measurement of Apparent Alveolar Septal Wall Thickness with Hyperpolarized 129Xe MRI Magnetic Resonance in Medicine. Dec, 2020 | Pubmed ID: 32557808 Detection of Lung Transplant Rejection in a Rat Model Using Hyperpolarized [1- C] Pyruvate-based Metabolic Imaging NMR in Biomedicine. Aug, 2019 | Pubmed ID: 31112351 Quantification of Ventilation and Gas Uptake in Free-Breathing Mice With Hyperpolarized Xe MRI IEEE Transactions on Medical Imaging. Sep, 2019 | Pubmed ID: 30990426 Measurement of Regional 2D Gas Transport Efficiency in Rabbit Lung Using Hyperpolarized 129Xe MRI Scientific Reports. Feb, 2019 | Pubmed ID: 30787357 Imaging the Injured Lung: Mechanisms of Action and Clinical Use Anesthesiology. Sep, 2019 | Pubmed ID: 30664057 Foreword: Recent Developments on Imaging Pulmonary System Academic Radiology. Mar, 2019 | Pubmed ID: 30655056 Multibreath Hyperpolarized He Imaging Scheme to Measure Alveolar Oxygen Tension and Apparent Diffusion Coefficient Academic Radiology. Mar, 2019 | Pubmed ID: 30630659 Hyperpolarized C MRI: Path to Clinical Translation in Oncology Neoplasia (New York, N.Y.). 01, 2019 | Pubmed ID: 30472500 Assessment of Flip Angle-TR Equivalence for Standardized Dissolved-phase Imaging of the Lung with Hyperpolarized 129Xe MRI Magnetic Resonance in Medicine. Mar, 2019 | Pubmed ID: 30346083 A Model for Predicting Future FEV1 Decline in Smokers Using Hyperpolarized He Magnetic Resonance Imaging Academic Radiology. Mar, 2019 | Pubmed ID: 30087068 Acute Respiratory Distress Syndrome: Can Data from the Sick Guide Care for the Healthy? American Journal of Respiratory and Critical Care Medicine. Oct, 2018 | Pubmed ID: 29787308 Assessment of Pulmonary Gas Transport in Rabbits Using Hyperpolarized Xenon-129 Magnetic Resonance Imaging Scientific Reports. May, 2018 | Pubmed ID: 29743565 Rapid Assessment of Pulmonary Gas Transport with Hyperpolarized 129Xe MRI Using a 3D Radial Double Golden-means Acquisition with Variable Flip Angles Magnetic Resonance in Medicine. Dec, 2018 | Pubmed ID: 29682792 Lung Metabolism and Inflammation During Mechanical Ventilation; An Imaging Approach Scientific Reports. Feb, 2018 | Pubmed ID: 29476083 Unstable Inflation Causing Injury. Insight from Prone Position and Paired Computed Tomography Scans American Journal of Respiratory and Critical Care Medicine. Jul, 2018 | Pubmed ID: 29420904 Quantifying Reaction Kinetics of the Non-enzymatic Decarboxylation of Pyruvate and Production of Peroxymonocarbonate with Hyperpolarized C-NMR Physical Chemistry Chemical Physics : PCCP. Jul, 2017 | Pubmed ID: 28703828 Tidal Changes on CT and Progression of ARDS Thorax. Nov, 2017 | Pubmed ID: 28634220 Hyperpolarized Gas Diffusion MRI of Biphasic Lung Inflation in Short- and Long-term Emphysema Models American Journal of Physiology. Lung Cellular and Molecular Physiology. Aug, 2017 | Pubmed ID: 28473321 In Vivo Imaging of the Progression of Acute Lung Injury Using Hyperpolarized [1- C] Pyruvate Magnetic Resonance in Medicine. Dec, 2017 | Pubmed ID: 28074497 A Hybrid Multibreath Wash-in Wash-out Lung Function Quantification Scheme in Human Subjects Using Hyperpolarized He MRI for Simultaneous Assessment of Specific Ventilation, Alveolar Oxygen Tension, Oxygen Uptake, and Air Trapping Magnetic Resonance in Medicine. Aug, 2017 | Pubmed ID: 27734519 In Vivo PH Mapping of Injured Lungs Using Hyperpolarized [1- C]pyruvate Magnetic Resonance in Medicine. Sep, 2017 | Pubmed ID: 27714832 The Use of Hyperpolarized Carbon-13 Magnetic Resonance for Molecular Imaging Advanced Drug Delivery Reviews. Apr, 2017 | Pubmed ID: 27599979 Differentiating Inflamed and Normal Lungs by the Apparent Reaction Rate Constants of Lactate Dehydrogenase Probed by Hyperpolarized (13)C Labeled Pyruvate Quantitative Imaging in Medicine and Surgery. Feb, 2016 | Pubmed ID: 26981456 Regional Fractional Ventilation by Using Multibreath Wash-in (3)He MR Imaging Radiology. Jun, 2016 | Pubmed ID: 26785042 Mild Loss of Lung Aeration Augments Stretch in Healthy Lung Regions Journal of Applied Physiology (Bethesda, Md. : 1985). Feb, 2016 | Pubmed ID: 26662053 Visualizing the Propagation of Acute Lung Injury Anesthesiology. Jan, 2016 | Pubmed ID: 26536308 Multibreath Alveolar Oxygen Tension Imaging Magnetic Resonance in Medicine. Oct, 2016 | Pubmed ID: 26467179 Low-temperature Dynamic Nuclear Polarization of Gases in Frozen Mixtures Magnetic Resonance in Medicine. Sep, 2016 | Pubmed ID: 26444315 Versatile Pulse Sequence Device to Conserve Hyperpolarization for NMR and MRI Studies Magnetic Resonance in Medicine. Apr, 2016 | Pubmed ID: 25976973 Ascorbic Acid Prolongs the Viability and Stability of Isolated Perfused Lungs: A Mechanistic Study Using 31P and Hyperpolarized 13C Nuclear Magnetic Resonance Free Radical Biology & Medicine. Dec, 2015 | Pubmed ID: 26165188 Oxygen-weighted Hyperpolarized (3)He MR Imaging: A Short-term Reproducibility Study in Human Subjects Radiology. Oct, 2015 | Pubmed ID: 26110668 Semiautomatic Segmentation of Longitudinal Computed Tomography Images in a Rat Model of Lung Injury by Surfactant Depletion Journal of Applied Physiology (Bethesda, Md. : 1985). Feb, 2015 | Pubmed ID: 25640150 Cecal Ligation and Puncture Accelerates Development of Ventilator-induced Lung Injury American Journal of Physiology. Lung Cellular and Molecular Physiology. Mar, 2015 | Pubmed ID: 25550313 Efficient Production of Hyperpolarized Bicarbonate by Chemical Reaction on a DNP Precursor to Measure PH Magnetic Resonance in Medicine. Nov, 2015 | Pubmed ID: 25393101 Alterations of Regional Alveolar Oxygen Tension in Asymptomatic Current Smokers: Assessment with Hyperpolarized (3)He MR Imaging Radiology. Feb, 2015 | Pubmed ID: 25322340 Vertical Gradients in Regional Alveolar Oxygen Tension in Supine Human Lung Imaged by Hyperpolarized 3He MRI NMR in Biomedicine. Dec, 2014 | Pubmed ID: 25395184 The Effect of Exogenous Substrate Concentrations on True and Apparent Metabolism of Hyperpolarized Pyruvate in the Isolated Perfused Lung NMR in Biomedicine. Dec, 2014 | Pubmed ID: 25330438 Foreword: Recent Developments in Pulmonary MRI NMR in Biomedicine. Dec, 2014 | Pubmed ID: 25328087 Hyperpolarized Gas Diffusion MRI for the Study of Atelectasis and Acute Respiratory Distress Syndrome NMR in Biomedicine. Dec, 2014 | Pubmed ID: 24920074 Metabolic Spectroscopy of Inflammation in a Bleomycin-induced Lung Injury Model Using Hyperpolarized 1-(13) C Pyruvate NMR in Biomedicine. Aug, 2014 | Pubmed ID: 24865640 Hyperpolarized (3)He Diffusion MRI and Histology of Secreted Frizzled Related Protein-1 (SFRP1) Deficient Lungs in a Murine Model Magnetic Resonance Imaging. Jun, 2014 | Pubmed ID: 24629512 Is Higher Lactate an Indicator of Tumor Metastatic Risk? A Pilot MRS Study Using Hyperpolarized (13)C-pyruvate Academic Radiology. Feb, 2014 | Pubmed ID: 24439336 Regional Alveolar Partial Pressure of Oxygen Measurement with Parallel Accelerated Hyperpolarized Gas MRI Academic Radiology. Oct, 2013 | Pubmed ID: 24029054 Positive End-expiratory Pressure Increments During Anesthesia in Normal Lung Result in Hysteresis and Greater Numbers of Smaller Aerated Airspaces Anesthesiology. Dec, 2013 | Pubmed ID: 24025616 In Vivo Metabolic Evaluation of Breast Tumor Mouse Xenografts for Predicting Aggressiveness Using the Hyperpolarized (13)C-NMR Technique Advances in Experimental Medicine and Biology. 2013 | Pubmed ID: 23852500 Ratiometric Analysis in Hyperpolarized NMR (I): Test of the Two-site Exchange Model and the Quantification of Reaction Rate Constants NMR in Biomedicine. Oct, 2013 | Pubmed ID: 23625472 Accelerated Fractional Ventilation Imaging with Hyperpolarized Gas MRI Magnetic Resonance in Medicine. Nov, 2013 | Pubmed ID: 23400938 A Variability Study of Regional Alveolar Oxygen Tension Measurement in Humans Using Hyperpolarized (3) He MRI Magnetic Resonance in Medicine. Dec, 2013 | Pubmed ID: 23382040 Imaging the Interaction of Atelectasis and Overdistension in Surfactant-depleted Lungs Critical Care Medicine. Feb, 2013 | Pubmed ID: 23263577 Determination of the Singlet State Lifetime of Dissolved Nitrous Oxide from High Field Relaxation Measurements The Journal of Chemical Physics. May, 2012 | Pubmed ID: 22583250 Multislice Fractional Ventilation Imaging in Large Animals with Hyperpolarized Gas MRI NMR in Biomedicine. Sep, 2012 | Pubmed ID: 22290603 A Multislice Single Breath-hold Scheme for Imaging Alveolar Oxygen Tension in Humans Magnetic Resonance in Medicine. May, 2012 | Pubmed ID: 22190347 Regional Function-structure Relationships in Lungs of an Elastase Murine Model of Emphysema Journal of Applied Physiology (Bethesda, Md. : 1985). Jan, 2012 | Pubmed ID: 21940853 A Simple and Low-cost Device for Generating Hyperpolarized Contrast Agents Using Parahydrogen NMR in Biomedicine. Oct, 2011 | Pubmed ID: 21845739 Analysis of Cancer Metabolism by Imaging Hyperpolarized Nuclei: Prospects for Translation to Clinical Research Neoplasia (New York, N.Y.). Feb, 2011 | Pubmed ID: 21403835 Regional Determination of Oxygen Uptake in Rodent Lungs Using Hyperpolarized Gas and an Analytical Treatment of Intrapulmonary Gas Redistribution NMR in Biomedicine. Dec, 2011 | Pubmed ID: 21387449 Quantitative Imaging of Alveolar Recruitment with Hyperpolarized Gas MRI During Mechanical Ventilation Journal of Applied Physiology (Bethesda, Md. : 1985). Feb, 2011 | Pubmed ID: 21127207 Regional Correlation of Emphysematous Changes in Lung Function and Structure: a Comparison Between Pulmonary Function Testing and Hyperpolarized MRI Metrics Journal of Applied Physiology (Bethesda, Md. : 1985). Jan, 2011 | Pubmed ID: 20884833 Quantitative Assessment of Lung Ventilation and Microstructure in an Animal Model of Idiopathic Pulmonary Fibrosis Using Hyperpolarized Gas MRI Academic Radiology. Nov, 2010 | Pubmed ID: 20934126 Optimal Transfer of Spin-order Between a Singlet Nuclear Pair and a Heteronucleus Journal of Magnetic Resonance (San Diego, Calif. : 1997). Jul, 2010 | Pubmed ID: 20427216 Improved Technique for Measurement of Regional Fractional Ventilation by Hyperpolarized 3He MRI Magnetic Resonance in Medicine. Jan, 2010 | Pubmed ID: 19877277 Quantitative Assessment of Lung Using Hyperpolarized Magnetic Resonance Imaging Proceedings of the American Thoracic Society. Aug, 2009 | Pubmed ID: 19687215 A New Direction for Polarized Carbon-13 MRI Proceedings of the National Academy of Sciences of the United States of America. Apr, 2009 | Pubmed ID: 19336579 Simultaneous Measurement of Pulmonary Partial Pressure of Oxygen and Apparent Diffusion Coefficient by Hyperpolarized 3He MRI Magnetic Resonance in Medicine. May, 2009 | Pubmed ID: 19230017 A Robust Method for Estimating Regional Pulmonary Parameters in Presence of Noise Academic Radiology. Jun, 2008 | Pubmed ID: 18486010 Measurement of Pulmonary Partial Pressure of Oxygen and Oxygen Depletion Rate with Hyperpolarized Helium-3 MRI: a Preliminary Reproducibility Study on Pig Model Academic Radiology. Jun, 2008 | Pubmed ID: 18486007 Early Changes of Lung Function and Structure in an Elastase Model of Emphysema--a Hyperpolarized 3He MRI Study Journal of Applied Physiology (Bethesda, Md. : 1985). Mar, 2008 | Pubmed ID: 18063806 Optimization of Scan Parameters in Pulmonary Partial Pressure Oxygen Measurement by Hyperpolarized 3He MRI Magnetic Resonance in Medicine. Jan, 2008 | Pubmed ID: 18050348 Multiple Regression Method for Pulmonary Apparent Diffusion Coefficient Measurement by Hyperpolarized 3He MRI Journal of Magnetic Resonance Imaging : JMRI. May, 2007 | Pubmed ID: 17457799 Measurements of Regional Alveolar Oxygen Pressure Using Hyperpolarized 3He MRI Academic Radiology. Nov, 2005 | Pubmed ID: 16253855 Hyperpolarized 3He MRI in Asthma Measurements of Regional Ventilation Following Allergic Sensitization and Challenge in Mice--preliminary Results Academic Radiology. Nov, 2005 | Pubmed ID: 16253848 Indirect Detection of Lung Perfusion Using Susceptibility-based Hyperpolarized Gas Imaging Journal of Magnetic Resonance Imaging : JMRI. Feb, 2005 | Pubmed ID: 15666407 Determination of Regional VA/Q by Hyperpolarized 3He MRI Magnetic Resonance in Medicine. Jul, 2004 | Pubmed ID: 15236368 3D Airway Segmentation Via Hyperpolarized 3He Gas MRI by Using Scale-based Fuzzy Connectedness Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society. 2004 | Pubmed ID: 15127752 Detection of Simulated Pulmonary Embolism in a Porcine Model Using Hyperpolarized 3He MRI Magnetic Resonance in Medicine. Feb, 2004 | Pubmed ID: 14755654 Operating Characteristics of Hyperpolarized 3He and Arterial Spin Tagging in MR Imaging of Ventilation and Perfusion in Healthy Subjects Academic Radiology. May, 2003 | Pubmed ID: 12755538 Co-registration of Acquired MR Ventilation and Perfusion Images--validation in a Porcine Model Magnetic Resonance in Medicine. Jan, 2003 | Pubmed ID: 12509815 Pulmonary Ventilation and Perfusion Scanning Using Hyperpolarized Helium-3 MRI and Arterial Spin Tagging in Healthy Normal Subjects and in Pulmonary Embolism and Orthotopic Lung Transplant Patients Magnetic Resonance in Medicine. Jun, 2002 | Pubmed ID: 12111953 Author Spotlight: Advancing Lung Disease Research with Free-Breathing Hyperpolarized Xenon-129 MRI Kai Ruppert1, Luis Loza1, Faraz Amzajerdian1, Hooman Hamedani1, Ryan Baron1, Stephen Kadlecek1, Rahim Rizi1 1Department of Radiology, University of Pennsylvania JoVE 66038 Medicina
Author Spotlight: Advancing Lung Disease Research with Free-Breathing Hyperpolarized Xenon-129 MRI Kai Ruppert1, Luis Loza1, Faraz Amzajerdian1, Hooman Hamedani1, Ryan Baron1, Stephen Kadlecek1, Rahim Rizi1 1Department of Radiology, University of Pennsylvania JoVE 66038 Medicina