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Abstract #0228

The use of MRI in the diagnosis of Chronic Thromboembolic Pulmonary Hypertension

Christopher S Johns1, Andy J Swift1,2, Jens Vogel-Claussen3, David G Kiely4, and Jim M Wild1

1Academic Radiology, The University of Sheffield, Sheffield, United Kingdom, 2Insigneo, Institute of In-Vivo Medicine, 3Medizinische Hochschule Hannover, Germany, 4Pulmonary Vascular Disease Unit, Sheffield Teaching Hospitals, United Kingdom

As surgical pulmonary endarterectomy significantly improves survival in patients with chronic thrombo-embolic pulmonary hypertension it is important to correctly identify patients. Using cardiopulmonary MRI it is possible to screen for the presence of chronic thombo-emboli in all cases who can tolerate MRI, reducing the requirement for SPECT (and therefore patient radiation exposure). The same scan can also predict the presence of pulmonary hypertension, and due to a high specificity we can reduce the reliance upon an invasive test (right heart catheterisation) by around 50%.

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