PTPRC and hydrops fetalis: Leukocytes are also a source of both PS−-EVs (CD45+-LEVs; leukocyte common antigen [LCA]; p = 0.586), had a 6.01% and 5.81% frequency in the non-HF individuals and cHF patients, respectively, and PS+-CD45+-LEVs, represented 9.01% of EVs in the non-HF controls and 16.49% of cEVs in patients with cHF (p = 0.016).