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6 papers 0 to 25 followers
By Faye Kehler Family Physician and GP Anesthetist since 1987 interested in all aspects of Medicine
Yingbing Wang, Tarik K Alkasab, Ozden Narin, Rosalynn M Nazarian, Rathachai Kaewlai, Jonathan Kay, Hani H Abujudeh
PURPOSE: To retrospectively determine the incidence of nephrogenic systemic fibrosis (NSF) in a large academic medical center after the adoption of restrictive gadolinium-based contrast agent (GBCA) administration guidelines. MATERIALS AND METHODS: For this retrospective HIPAA-compliant study, institutional review board approval was obtained and the requirement for informed consent was waived. Restrictive GBCA guidelines were adopted in May 2007. The guidelines (a) require a recent serum creatinine level measurement in any patient who is aged 60 years or older and/or at risk for renal disease, (b) limit the maximal weight-based GBCA dose administered to any patient with an estimated glomerular filtration rate (eGFR) lower than 60 mL/min/m(2) to 20 mL, and (c) prohibit the administration of any GBCA in patients who have an eGFR lower than 30 mL/min/m(2) and/or are undergoing chronic dialysis treatment (except in emergency situations)...
July 2011: Radiology
Tomonori Kanda, Toshio Fukusato, Megumi Matsuda, Keiko Toyoda, Hiroshi Oba, Jun'ichi Kotoku, Takahiro Haruyama, Kazuhiro Kitajima, Shigeru Furui
PURPOSE: To use inductively coupled plasma mass spectroscopy (ICP-MS) to evaluate gadolinium accumulation in brain tissues, including the dentate nucleus (DN) and globus pallidus (GP), in subjects who received a gadolinium-based contrast agent (GBCA). MATERIALS AND METHODS: Institutional review board approval was obtained for this study. Written informed consent for postmortem investigation was obtained either from the subject prior to his or her death or afterward from the subject's relatives...
July 2015: Radiology
Elena Ledneva, Svetlana Karie, Vincent Launay-Vacher, Nicolas Janus, Gilbert Deray
Contrast medium (CM)-induced nephropathy (CIN), defined as acute renal failure after administration of CM when alternative causes of renal damage have been excluded, is the third leading cause of acute renal injury necessitating hospitalization. However, the pathophysiology of CIN is complex and not fully understood. Gadolinium chelates, originally introduced as intravenous CM for magnetic resonance imaging and regarded as nonnephrotoxic, have been recommended to replace iodinated contrast agents in patients at risk for acute renal failure...
March 2009: Radiology
Boby Varkey Maramattom, Edward M Manno, Eelco F M Wijdicks, Edward P Lindell
Gadolinium chelates are extensively used in MRI studies. Neurotoxicity due to gadolinium chelates is minimal and uncommon. A 57-year-old woman in renal failure developed a subacute encephalopathy after inadvertent repetitive gadolinium contrast administration. An unusual MRI appearance with CSF hyperintensity due to gadolinium diffusion into the CSF is also shown.
April 12, 2005: Neurology
Soma Sanyal, Peter Marckmann, Susanne Scherer, Jerrold L Abraham
BACKGROUND: Nephrogenic systemic fibrosis (NSF) is a systemic disorder of patients with severe renal insufficiency who have received gadolinium (Gd)-based magnetic resonance contrast agents (GBCAs). The causative association with Gd exposure was strengthened by the demonstration of Gd in various tissues of NSF patients, predominantly at the bulk chemical level. The distribution of Gd at the histologic level of organs other than skin has not been reported previously. METHODS: We analysed tissues from an autopsy case with verified advanced NSF by light microscopy and scanning electron microscopy/energy-dispersive X-ray spectroscopy...
November 2011: Nephrology, Dialysis, Transplantation
Simone Gschwend, Wolfgang Ebert, Marcus Schultze-Mosgau, Josy Breuer
OBJECTIVES: : The purpose of this study was to determine the pharmacokinetics (PKs), imaging properties, and safety of the liver-specific magnetic resonance (MR) imaging contrast agent gadoxetic acid disodium (Gd-EOB-DTPA) in subjects with various levels of hepatic impairment, renal impairment, or coexisting hepatic and renal impairment. MATERIALS AND METHODS: : In this single-center, open-label, parallel-group study, patients with varying degrees of renal and/or hepatic impairment were compared with healthy subjects matched for age, gender, and weight (control group)...
September 2011: Investigative Radiology
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