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Medline ® Abstract for Reference 138

of 'Toxicity of molecularly targeted antiangiogenic agents: Non-cardiovascular effects'

138
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Clinical features and outcomes of posterior reversible encephalopathy syndrome following bevacizumab treatment.
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Seet RC, Rabinstein AA
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QJM. 2012;105(1):69. Epub 2011 Aug 24.
 
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is a potentially devastating complication of bevacizumab treatment.
AIM: We examined the clinical features, treatment and outcomes of patients who developed PRES following bevacizumab treatment at our institution and those reported in the literature.
DESIGN: Retrospective audit and systematic review.
METHODS: Patients were identified from the Mayo Clinic database and the published literature using 'PubMed' and 'OVID' databases, from January 2006 to June 2010, who developed PRES features within 3 weeks of bevacizumab treatment, who had brain imaging findings of focal vasogenic edema and radiologic proof of reversibility.
RESULTS: Two patients with definite PRES were identified from our institution and a further 10 cases were identified from the published literature (total, n=12). The mean age of these patients was 52 years (range 4-68 years), four of whom were men and eight women. Headaches (n=7), seizures (n=6), visual disturbances (n=5) and nausea and vomiting (n=3) were the common presenting symptoms. In a majority of patients (n=10), an increase in blood pressure from their baseline values was observed during their acute presentation. PRES resolved following withdrawal of bevacizumab and blood pressure control in all patients.
CONCLUSIONS: PRES is a catastrophic neurological complication of bevacizumab treatment, which responds favorably to prompt bevacizumab withdrawal and blood pressure control.
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Mayo Clinic, Department of Neurology, W8B, 200 First Street SW, Rochester, MN 55905, USA. raymond_seet@nus.edu.sg
PMID