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Abstract #0526

MRA for Primary Diagnosis of Pulmonary Embolism from the Emergency Department: Outcomes Analysis of 190 Symptomatic Patients at One Year

Mark L. Schiebler1, Scott K. Nagle1, Christopher J. Franois1, Michael Repplinger2, Azita Hamedani2, Kang Wang3, Karl Vigen1, Jean H. Brittain3, Thomas M. Grist1, Scott B. Reeder1

1Radiology, UW-Madison, Madison, WI, United States; 2Emergency Medicine, UW-Madison, Madison, WI, United States; 3General Electric Healthcare, Applied Science Laboratory, Madison, WI, United States

Pulmonary MRA (MRA-PE) can be used for the accurate diagnosis of pulmonary embolism (PE). We present our clinical experience of MRA-PE for the primary diagnosis of PE in 190 symptomatic patients referred from the emergency department. We employed a one-year follow up as the surrogate parameter for efficacy. In contrast to PIOPED III, 96.3% of our exams were of diagnostic quality; indicating excellent technical success. There were no subsequent PEs found in MRA-PE negative patients at their one year follow up. High quality single breath hold whole lung MRA for PE is an effective alternative to CTA.