Hyponatremia and Renal Venous Congestion in Heart Failure Patients

Table 4

Monitored parameters in NYHA functional classes.

Parameter	HF patients
	NYHA I	NYHA II	NYHA III	NYHA IV
LVEF (%)					≤0.001
NT-proBNP (pg/ml)					≤0.001
Serum Na (mMol/l)					≤0.001
Serum creatinine (mg/dl)					≤0.001
eGFR (ml/min/1.73 m^2)					≤0.001
IR					0.736
RVSI					≤0.001