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  • Title: Evaluation of the incidence of nephrogenic systemic fibrosis in patients with moderate renal insufficiency administered gadobenate dimeglumine for MRI.
    Author: Bryant BJ, Im K, Broome DR.
    Journal: Clin Radiol; 2009 Jul; 64(7):706-13. PubMed ID: 19520215.
    Abstract:
    AIM: To determine the incidence of nephrogenic systemic fibrosis (NSF) in stage 3 chronic kidney disease patients following intravenous exposure to gadobenate dimeglumine. MATERIALS AND METHODS: A prospective study was performed on 168 consecutive patients at a single institution with stage 3 chronic kidney disease who underwent clinically-indicated contrast-enhanced magnetic resonance imaging (MRI) examinations with gadobenate dimeglumine from January 2007 to March 2008. All patients were contacted by phone by investigators 3 months after MRI to verify the presence or absence of NSF signs or symptoms. If signs or symptoms suggestive of NSF developed, dermatologic referral was made and confirmatory skin biopsy performed if indicated. RESULTS: One hundred and eighty contrast-enhanced MRI examinations with gadobenate dimeglumine were performed on the 168 patients. Twenty patients were lost to follow-up, but 160 incidents of contrast medium exposure were followed up for 3-months and 105 incidents were followed up for 6 months. The mean contrast medium dose per weight was 0.093 mmol/kg (range 0.042-0.153 mmol/kg). The mean estimated creatinine clearance was 50.4 ml/min/1.73 m(2) (range from 30-59 ml/min/1.73 m(2)). Ten patients developed skin rashes during the 3-month follow-up period, but none were confirmed to represent NSF (0% prevalence rate). No other signs or symptoms of NSF were reported. CONCLUSION: Based on this limited study, NSF does not appear to occur in patients with stage 3 chronic kidney disease exposed to intravenous gadobenate dimeglumine for MRI at standard dosing of approximately 0.1 mmol/kg.
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