Left atrial compliance index predicts exercise capacity in patients with heart failure and preserved ejection fraction irrespective of right ventricular dysfunction. - Lindqvist, Per; Bytyci, Ibadete; Bajraktari, Gani; Henein, Michael Y.; Poniku, Afrim; Fabiani, Iacopo; Pugliese, Nicola Riccardo; Dini, Frank L. (Echocardiography, 2019)