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Anxiety-related reactions occur in approximately 4%to 30%of patients undergoing MRI,ranging from apprehension to severe reactions that interfere with the performance of the test.Criteria for diagnosis or categorization of the reactions and identification of patients at risk are scanty.Several management strategies have been proposed,including patient education,drug therapy,and cognitive-behavioral intervention.While a more precise characterization of the nature and incidence of anxiety-related reactions during MRI examinations and better methods of recognizing patients at risk are desirable,a strategy for general and individual prophylaxis,identification of patients at risk,and individual patient management can be developed on the basis of current knowledge. |
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