Reduced Albuminuria and Potassemia Indicate Early Renal Repair Processes after Resynchronization Therapy in Cardiorenal Syndrome Type 2

Table 4

Dependencies in selected laboratory data in patients with chronic heart failure 48 hours following CRT implantation depending on the NYHA class.

Variable	NYHA II (n = 27)		NYHA III/IV (n = 37)
	R	^#	R	^#
sCR (mg/dL)	0.9	0.470	0.6	0.239
eGFR CKD-EPI (ml/min/1.73 m^2)	0.9	0.575	0.7	0.439
uAlb (mg/dL)	0.9	0.345	0.6	0.019
uACR (mg/g)	0.8	0.199	0.6	0.092
uNGAL (ng/mL)	0.4	0.089	0.5	0.661
uNCR (µg/g)	0.4	0.636	0.5	0.083
uCr (mg/dL)	0.4	0.3	0.3	0.465
Hb (g/dL)	0.9	0.849	0.9	0.021
HCT (%)	0.8	0.379	0.8	0.003
RBC, millions per K/µL	0.7	0.410	0.8	0.039
WBC, thousands per K/µL	0.7	0.05	0.8	0.375
PK, thousands per K/µL	0.9	<0.0001	0.9	<0.0001
Na (mmol/L)	0.7	0.410	0.7	0.3
K (mmol/L)	0.2	<0.0001	0.4	0.016

^#Student’s t-tests for dependent pairs. Abbreviations: sCr, creatinine serum; eGFR CKD-EPI, estimated glomerular filtration rate calculated using Chronic Kidney Disease Epidemiology Collaboration; uAlb, urinary albumin concentration in a single morning sample of urine; uACR, urinary albumin to creatinine ratio; uNGAL, lipocalin associated with neutrophil gelatinase in a single morning sample of urine; uNCR, urinary NGAL to creatinine ratio; uCr, urea creatinine; Hb, hemoglobin; HCT, hematocrit; RBC, red blood cell count; WBC, white blood cell count; PK, platelet count; Na, sodium; K, potassium.