Clinical and prognostic relationships of pulmonary artery to aorta diameter ratio in patients with heart failure: a cardiac magnetic resonance imaging study.
Pierpaolo PellicoriAlessia UrbinatiJufen ZhangAnil C JosephPierluigi CostanzoElena LukaschukAlessandro CapucciJohn G F ClelandAndrew L ClarkPublished in: Clinical cardiology (2018)
The PA/Ao ratio is not a useful method to stratify prognosis in patients with HF.