The majority of circulating monocytes were CD14++CD16− (above 70% of all monocytes), but this subset was reduced in HF patients relative to the healthy controls by 11%, (84.3 ± 1.9, median 86.9 versus 73.5 ± 1.8, median 77.5, P < 0.0001, Figure 1(d)). Here, CD14 is linked to hydrops fetalis.