Factors associated with renal Doppler resistive index in critically ill patients: a prospective cohort study

Annals of Intensive Care

Table 2 Hemodynamic and laboratorial data according to acute kidney injury category

	No AKI	Transient AKI	Persistent AKI	p
Mean arterial pressure (mmHg)
Day 1	86 ± 16	87 ± 13	84 ± 15	0.55
Day 2	89 ± 16	88 ± 11	86 ± 18	0.85
Day 3	86 ± 12	90 ± 17	84 ± 12	0.72
Pulse pressure (mmHg)
Day 1	35 ± 6	35 ± 6	34 ± 6	0.78
Day 2	36 ± 7	34 ± 5	35 ± 7	0.84
Day 3	34 ± 5	37 ± 8	35 ± 5	0.69
Norepinephrine use (%)
Day 1	19	32	38	0.33
Day 2	18	30	44	0.27
Day 3	8	10	27	0.26
Heart rate (bpm)
Day 1	83 ± 18	93 ± 20	92 ± 22	0.18
Day 2	81 ± 16	86 ± 15	91 ± 19	0.16
Day 3	80 ± 13	85 ± 14	95 ± 20	0.05
Lactate (mmo/L)
Day 1	1.88 (1.66; 2.55)	1.88 (1.44; 2.77)	2.33 (1.77; 3.11)	0.18
Day 2	1.83 (1.44; 2.19)	1.72 (1.36; 2.11)	2.33 (1.36; 2.11)	0.16
Day 3	1.77 (1.5; 2.0)	1.55 (1.11; 2.33)	2.0 (1.66; 2.33)	0.48
Serum chloride (mEq/L)
Day 1	107 ± 7.8	105 ± 5	106 ± 6	0.71
Day 2	106 ± 7	108 ± 5	107 ± 8	0.79
Day 3	106 ± 6	106 ± 6	108 ± 9	0.69
Fluid balance—24 h (mL)
Day 1	273 (− 429; 675)	454 (− 520; 849)	311 (70; 981)	0.58
Day 2	89 (− 272; 358)	217 (− 168; 1950)	839 (98; 1600)	0.07
Day 3	− 467 (− 621; 473)^a,b	961 (636; 1624)	531 (34; 1275)	0.01
Renal RI
Day 1	0.65 ± 0.077^b	0.64 ± 0.07^b	0.71 ± 0.08	< 0.01
Day 2	0.63 ± 0.07^b	0.64 ± 0.06^b	0.71 ± 0.09	< 0.01
Day 3	0.64 ± 0.05	0.64 ± 0.07	0.69 ± 0.08	0.12