Imaging Advances in Chronic Thromboembolic Pulmonary Hypertension.

Chronic thromboembolic pulmonary hypertension (CTEPH) is an under recognized complication of pulmonary embolism with significant morbidity and mortality when left untreated. There have been ongoing advances in the treatment of CTEPH with potentially excellent outcomes for patients when diagnosed and treated in a timely fashion. Although ventilation-perfusion scintigraphy remains critical in screening for CTEPH, the radiologic diagnosis involves multiple modalities from digital subtraction angiography to high quality computed tomography pulmonary angiography. State of the art imaging in CTEPH now also includes dual energy computed tomography, lung subtraction iodine mapping, and magnetic resonance imaging.
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