Abstract #0564

Cardiac MRI measured left atrial function can identify patient with pulmonary hypertension due to left heart disease.

Christopher S Johns¹, James M Wild¹, Pankaj Garg¹, Calum Sowden¹, Ibrahim Mahmoud¹, Smitha Rajaram², Charlie Elliot³, Robin A Condliffe³, Athanasios Charalampopoulos³, David G Kiely³, and Andrew J Swift¹

¹Academic Radiology, The University of Sheffield, Sheffield, United Kingdom, ²Radiology, Sheffield Teaching Hospitals, Sheffield, United Kingdom, ³Sheffield Pulmonary Vascular Disease Unit, Sheffield Teaching Hospitals, Sheffield, United Kingdom

Patients with left heart disease commonly develop pulmonary hypertension (PH) [1], initially due to passive backward transmission of high left ventricular filling pressures through the pulmonary circulation. Assessment of left atrial reservoir and pump function using changes in left atrial area over time are useful to differentiate patients with left heart disease from other cases of suspected pulmonary hypertension (Mann-Whitney u test p-value 0.0015 and 0.0067 respectively).

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