Results 31 to 40 of about 710 (108)

Evaluation of Renal Fibrosis by Mapping Histology and Magnetic Resonance Imaging

Kidney Diseases, 2021
Background: Renal fibrosis is a key driver of progression in chronic kidney disease (CKD). Recent advances in diagnostic imaging techniques have shown promising results for the noninvasive assessment of renal fibrosis.
Jiong Zhang, Yuanmeng Yu, Xiaoshuang Liu, Xiong Tang, Feng Xu, Mingchao Zhang, Guotong Xie, Longjiang Zhang, Xiang Li, Zhi-Hong Liu   +9 more
doaj   +1 more source

Influence of extracellular volume fraction on peak exercise oxygen pulse following thoracic radiotherapy

Cardio-Oncology, 2022
Background Radiation-induced myocardial fibrosis increases heart failure (HF) risk and is associated with a restrictive cardiomyopathy phenotype. The myocardial extracellular volume fraction (ECVF) using contrast-enhanced cardiac magnetic resonance (CMR)
Justin M. Canada, Elisabeth Weiss, John D. Grizzard, Cory R. Trankle, Leila Rezai Gharai, Franklin Dana, Leo F. Buckley, Salvatore Carbone, Dinesh Kadariya, Anthony Ricco, Jennifer H. Jordan, Ronald K. Evans, Ryan S. Garten, Benjamin W. Van Tassell, W. Gregory Hundley, Antonio Abbate   +15 more
doaj   +1 more source

The Contributions of Extracellular Matrix and Sarcomere Properties to Passive Muscle Stiffness in Cerebral Palsy

Frontiers in Physiology, 2022
Cerebral palsy results from an upper motor neuron lesion and significantly affects skeletal muscle stiffness. The increased stiffness that occurs is partly a result of changes in the microstructural components of muscle.
Ryan N. Konno, Nilima Nigam, James M. Wakeling, James M. Wakeling, Stephanie A. Ross   +4 more
doaj   +1 more source

Quantitative MR Evaluation of Chronic Pancreatitis: Extracellular Volume Fraction and MR Relaxometry [PDF]

American Journal of Roentgenology, 2018
The purpose of this study was to determine if extracellular volume fraction and T1 mapping can be used to diagnose chronic pancreatitis (CP).This HIPAA-compliant study analyzed 143 consecutive patients with and without CP who underwent MR imaging between May 2016 and February 2017.
Tirkes, Temel, Lin, Chen, Cui, Enming, Deng, Yu, Territo, Paul R., Sandrasegaran, Kumaresan, Akisik, Fatih   +6 more
openaire   +2 more sources

No increased extracellular volume fraction or conduction time after childhood septal myectomy [PDF]

European Journal of Cardio-Thoracic Surgery, 2020
Abstract OBJECTIVES The aim of this study was to assess the effect of surgical septal myectomy performed during early childhood for severe, drug-refractory hypertrophic cardiomyopathy with left ventricular outflow tract obstruction on the extent of septal myocardial extracellular ...
Cordula M Wolf, Peter Ewert, Emanuel Kaltenecker, Moritz Jesinghaus, Karin Klingel, Christian Meierhofer, Julie Cleuziou, Julia Schleihauf   +7 more
openaire   +2 more sources

Extracellular electrical conductivity property imaging by decomposition of high-frequency conductivity at Larmor-frequency using multi-b-value diffusion-weighted imaging.

PLoS ONE, 2020
Magnetic resonance electrical properties tomography (MREPT) uses the B1 mapping technique to provide the high-frequency conductivity distribution at Larmor frequency that simultaneously reflects the intracellular and extracellular effects.
Mun Bae Lee, Geon-Ho Jahng, Hyung Joong Kim, Eung Je Woo, Oh In Kwon   +4 more
doaj   +1 more source

Diagnostic value of magnetic resonance parametric mapping for non-invasive assessment of liver fibrosis in patients with primary sclerosing cholangitis

BMC Medical Imaging, 2021
Background Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease, characterized by bile duct inflammation and destruction, leading to biliary fibrosis and cirrhosis. The purpose of this study was to investigate the utility of T1 and
Narine Mesropyan, Patrick Kupczyk, Guido M. Kukuk, Leona Dold, Tobias Weismueller, Christoph Endler, Alexander Isaak, Anton Faron, Alois M. Sprinkart, Claus C. Pieper, Daniel Kuetting, Christian P. Strassburg, Ulrike I. Attenberger, Julian A. Luetkens   +13 more
doaj   +1 more source

Determinants of Left Ventricular Dysfunction and Remodeling in Patients With Corrected Tetralogy of Fallot

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background The aim of this study was to identify in asymptomatic patients with repaired tetralogy of Fallot the prevalence and determinants of impaired left‐sided cardiac function and adverse ventricular remodeling and the relation of left ventricular ...
Ana Cristina Andrade, Michael Jerosch‐Herold, Philip Wegner, Dominik Daniel Gabbert, Inga Voges, Minh Pham, Ravi Shah, Jürgen Hedderich, Hans‐Heiner Kramer, Carsten Rickers   +9 more
doaj   +1 more source

Decontrasted Image Registration Improves Quantification of Extracellular Volume and Fractional Myocardial Blood Volume

NMR in Biomedicine
ABSTRACT Accurate quantification of extracellular volume (ECV) and fractional myocardial blood volume (fMBV) in cardiac magnetic resonance (CMR) relies on precise alignment between precontrast and postcontrast images. Variable image contrast often undermines conventional motion correction, causing misalignment due
Meng Lu, Mostafa Mahmoudi, Kim‐Lien Nguyen, Yibin Xie   +3 more
openaire   +3 more sources

Extracellular volume fraction mapping in the myocardium, part 1: evaluation of an automated method [PDF]

Journal of Cardiovascular Magnetic Resonance, 2012
Disturbances in the myocardial extracellular volume fraction (ECV), such as diffuse or focal myocardial fibrosis or edema, are hallmarks of heart disease. Diffuse ECV changes are difficult to assess or quantify with cardiovascular magnetic resonance (CMR) using conventional late gadolinium enhancement (LGE), or pre- or post-contrast T1-mapping alone ...
Kellman Peter, Wilson Joel R, Xue Hui, Ugander Martin, Arai Andrew E   +4 more
openaire   +3 more sources