It is worth to note that Minana et al. explored the relationship between RV function and iron deficiency (ID) in patients with acute heart failure in their study, and found that transferrin saturation, a surrogate indicator of ID, was independently associated with lower TAPSE and TAPSE/PASP, but not with LVEF and PASP, confirming that ID was associated with RV dysfunction (36). Here, TF is linked to Iron deficiency anemia.