In controls subjects , right atrial pressure , pulmonary arterial pressure , and pulmonary capillary wedge pressure increased similarly with saline and exercise , whereas in HFpEF subjects , exercise led to @-fold greater increases in right atrial pressure ( @ versus @ mm Hg ; P = @ ) , pulmonary arterial pressure ( @ versus @ mm Hg ; P = @ ) , and pulmonary capillary wedge pressure ( @ versus @ mm Hg ; P < @ ) compared with saline .