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https://www.readbyqxmd.com/read/30006819/gadobutrol-a-review-in-contrast-enhanced-mri-and-mra
#1
Lesley J Scott
Intravenous gadobutrol [Gadovist™ (EU); Gadavist® (USA)] is a second-generation, extracellular non-ionic macrocyclic gadolinium-based contrast agent (GBCA) that is approved for use in paediatric (including term neonates) and adult patients undergoing diagnostic contrast-enhanced (CE) MRI for visualization of pathological lesions in all body regions or for CE MRA to evaluate perfusion and flow-related abnormalities. Its unique physicochemical profile, including its high thermostability and proton relaxation times, means that gadobutrol is formulated at twice the gadolinium ion concentration of other GBCAs, resulting in a narrower bolus and consequently, improved dynamic image enhancement...
August 2018: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28489466/intrathecal-injection-of-gadobutrol-a-tale-of-caution
#2
Corey Reeves, Enrique Galang, Raj Padalia, Nam Tran, Devang Padalia
In the field of interventional pain medicine a radiocontrast agent is commonly used in conjunction with fluoroscopy. Limited work has been published regarding the use of gadolium based contrast agents (GBCA) in the intrathecal space. We report a case of an intrathecal gadobutrol injection resulting in neurotoxic manifestations.A 60-year-old female with a history significant for lumbar post-laminectomy syndrome and intrathecal drug delivery implantation was admitted for lumbar fusion and kyphoplasty. Postoperatively, the patient had escalating pain medication requirements...
June 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28356290/novel-contrast-mixture-improves-bladder-wall-contrast-for-visualizing-bladder-injury
#3
COMPARATIVE STUDY
Pradeep Tyagi, Joseph J Janicki, T Kevin Hitchens, Lesley M Foley, Mahendra Kashyap, Naoki Yoshimura, Jonathan Kaufman
Here, we tested whether combined contrast-enhanced magnetic resonance imaging (CCE-MRI), using a mixture of gadolinium- and iron oxide-based contrast agents, can segment the bladder wall from the bladder lumen. CCE-MRI relies on the differences in particle size and contrast mechanisms of two agents for improved image contrast. Under isoflurane anesthesia, T1-weighted imaging of adult female Sprague-Dawley rat bladder was performed using standard turbospin echo sequences at 7 Tesla, before and after transurethral instillation of 0...
August 1, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27716273/a-clinical-combined-gadobutrol-bolus-and-slow-infusion-protocol-enabling-angiography-inversion-recovery-whole-heart-and-late-gadolinium-enhancement-imaging-in-a-single-study
#4
Animesh Tandon, Lorraine James, Markus Henningsson, René M Botnar, Amanda Potersnak, Gerald F Greil, Tarique Hussain
BACKGROUND: The use of gadolinium contrast agents in cardiovascular magnetic resonance is well-established and serves to improve both vascular imaging as well as enable late gadolinium enhancement (LGE) imaging for tissue characterization. Currently, gadofosveset trisodium, an intravascular contrast agent, combined with a three-dimensional inversion recovery balanced steady state free precession (3D IR bSSFP) sequence, is commonly used in pediatric cardiac imaging and yields excellent vascular imaging, but cannot be used for late gadolinium enhancement...
October 5, 2016: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/27568036/time-delayed-contrast-enhanced-mri-improves-detection-of-brain-metastases-a-prospective-validation-of-diagnostic-yield
#5
Or Cohen-Inbar, Zhiyuan Xu, Blair Dodson, Tanvir Rizvi, Christopher R Durst, Sugoto Mukherjee, Jason P Sheehan
The radiological detection of brain metastases (BMs) is essential for optimizing a patient's treatment. This statement is even more valid when stereotactic radiosurgery, a noninvasive image guided treatment that can target BM as small as 1-2 mm, is delivered as part of that care. The timing of image acquisition after contrast administration can influence the diagnostic sensitivity of contrast enhanced magnetic resonance imaging (MRI) for BM. Investigate the effect of time delayed acquisition after administration of intravenous Gadavist® (Gadobutrol 1 mmol/ml) on the detection of BM...
December 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27194459/acute-side-effects-of-three-commonly-used-gadolinium-contrast-agents-in-the-paediatric-population
#6
Chris Neeley, Michael Moritz, Jeffrey J Brown, Yihua Zhou
OBJECTIVE: To determine the incidence of acute side effects of three commonly used gadolinium contrast agents in the paediatric population. METHODS: A retrospective review of medical records was performed to determine the incidence of acute adverse side effects of i.v. gadolinium contrast agents [MultiHance(®) (Bracco Diagnostics Inc., Princeton, NJ), Magnevist(®) (Bayer Healthcare Pharmaceuticals, Wayne, NJ) or Gadavist(®) (Bayer HealthCare Pharmaceuticals)] in paediatric patients...
July 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/25300984/are-there-differences-between-macrocyclic-gadolinium-contrast-agents-for-brain-tumor-imaging-results-of-a-multicenter-intraindividual-crossover-comparison-of-gadobutrol-with-gadoteridol-the-truth-study
#7
RANDOMIZED CONTROLLED TRIAL
K R Maravilla, M P Smith, J Vymazal, M Goyal, M Herman, J J Baima, R Babbel, M Vaneckova, J Žižka, C Colosimo, M Urbańczyk-Zawadzka, M Mechl, A K Bag, S Bastianello, E Bueltmann, T Hirai, T Frattini, M A Kirchin, G Pirovano
BACKGROUND AND PURPOSE: Gadobutrol (Gadavist) and gadoteridol (ProHance) have similar macrocyclic molecular structures, but gadobutrol is formulated at a 2-fold higher (1 mol/L versus 0.5 mol/L) concentration. We sought to determine whether this difference impacts morphologic contrast-enhanced MR imaging. MATERIALS AND METHODS: Two hundred twenty-nine adult patients with suspected or known brain tumors underwent two 1.5T MR imaging examinations with gadoteridol or gadobutrol administered in randomized order at a dose of 0...
January 2015: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/23435930/gadobutrol-a-review-of-its-use-for-contrast-enhanced-magnetic-resonance-imaging-in-adults-and-children
#8
REVIEW
Lesley J Scott
Since the introduction of the first gadolinium-based contrast agent (GBCA) approximately 25 years ago, magnetic resonance imaging (MRI) using GBCAs has revolutionized diagnostic and follow-up imaging of pathological lesions, with clinical applications expanded to encompass almost all fields of medicine. Intravenous gadobutrol (Gadovist™ [EU]; Gadavist(®) [USA]) is a second-generation extracellular non-ionic macrocyclic GBCA that is used in patients undergoing diagnostic contrast-enhanced MRI for visualization of pathological lesions in the CNS and all other body regions or for contrast-enhanced magnetic resonance angiography (MRA) to evaluate perfusion and flow-related abnormalities...
April 2013: Clinical Drug Investigation
https://www.readbyqxmd.com/read/23011188/toxicological-safety-evaluation-of-gadobutrol
#9
Christiane Wack, Thomas Steger-Hartmann, Louis Mylecraine, Rainer Hofmeister
OBJECTIVES: Gadobutrol (Gadovist/Gadavist, Bayer Pharma AG, Berlin, Germany) is a nonionic, macrocyclic, gadolinium-based contrast agent for magnetic resonance imaging of the central nervous system as well as liver and kidneys and for contrast enhancement in magnetic resonance angiography. For risk assessment of the single diagnostic use in humans, the toxicity of this compound was evaluated with a series of preclinical studies. MATERIALS AND METHODS: Preclinical studies into acute, repeated-dose, reproductive, and developmental toxicity as well as genotoxicity, local tolerance, contact-sensitizing potential, and antigenicity were performed...
November 2012: Investigative Radiology
https://www.readbyqxmd.com/read/22898688/objective-evaluation-of-acute-adverse-events-and-image-quality-of-gadolinium-based-contrast-agents-gadobutrol-and-gadobenate-dimeglumine-by-blinded-evaluation-pilot-study
#10
RANDOMIZED CONTROLLED TRIAL
Richard C Semelka, Mateus de A Hernandes, Clifton G Stallings, Mauricio Castillo
PURPOSE: The purpose was to objectively evaluate a recently FDA-approved gadolinium-based contrast agent (GBCA) in comparison to our standard GBCA for acute adverse events and image quality by blinded evaluation. METHODS: Evaluation was made of a recently FDA-approved GBCA, gadobutrol (Gadavist; Bayer), in comparison to our standard GBCA, gadobenate dimeglumine (MultiHance; Bracco), in an IRB- and HIPAA-compliant study. Both the imaging technologist and patient were not aware of the brand of the GBCA used...
January 2013: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/21623211/safety-of-gadobutrol-a-new-generation-of-contrast-agents-experience-from-clinical-trials-and-postmarketing-surveillance
#11
Matthias Voth, Martin Rosenberg, Josy Breuer
OBJECTIVE: To assess the clinical safety and tolerability of the macrocyclic contrast agent gadobutrol (Gadovist/Gadavist) overall and in specific patient populations based on clinical trials and postmarketing experience. MATERIALS AND METHODS: In total, 5545 patients enrolled in 34 prospective clinical studies were evaluated in an integrated analysis of safety. Of all enrolled patients, 4549 received gadobutrol at a dose of ≤ 0.09 mmol/kg body weight to a maximum of 0...
November 2011: Investigative Radiology
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