Assessing glomerular filtration rate (GFR) in critically ill patients with acute kidney injury - true GFR versus urinary creatinine clearance and estimating equations

Table 4 Hemodynamic and renal data for periods A and B

	Period A	Period B	P
Mean arterial pressure (mmHg)	75.6 ±1.29	73.8 ±1.13	0.10
Cardiac output (L/min), n = 21	5.8 ±0.30	5.8 ±0.31	0.77
Heart rate (beats/min)	94.6 ±3.95	91.2 ±3.22	0.03^a
Central venous pressure (mmHg)	11.6 ±0.69	11.8 ±0.76	0.46
Systemic vascular resistance (dynes × sec × cm^-5), n = 21	905.3 ±46.0	897.7 ±56.2	0.71
Pulmonary capillary wedge pressure (mmHg) n = 21	16.5 ±1.39	16.3 ±1.34	0.69
Diures (mL/min)	3.87 ±0.32	3.80 ±0.34	0.67
Plasma ⁵¹Cr-EDTA	325.0 ±21.5	328.2 ±21.46	0.06
Measured glomerular filtration rate (⁵¹Cr-EDTA) (mL/min)	47.3 ±3.37	46.7 ±3.26	0.06
Measured urinary creatinine clearance (mL/min)	45.5 ±4.21	42.7 ±3.91	0.13

Data are presented as means ± SEM. ^a P <0.05. ⁵¹Cr-EDTA, chromium ethylenediaminetetraacetic acid.

ISSN: 1364-8535