Does Point-of-Care Ultrasound Affect Fluid Resuscitation Volume in Patients with Septic Shock: A Retrospective Review

Table 3

Subgroup analysis.

Total (n = 304)	No POCUS	POCUS	value
CHF patients only	n = 38	n = 20
Total volume of IVF (mL) during the entire ED duration, median (IQR)	2000 (1000–3000)	1550 (750–3000)	0.505^1
Total volume IVF in ED (mL/kg), median (IQR)	20.17 (10.76–42.37)	24.34 (8.29–36.51)	>0.999^1
Highest lactate, median (IQR)	5.75 (4.5–8.4)	6.2 (4.85–7.6)	0.629^1
Lowest documented SBP in ED, median (IQR)	81.5 (66–87)	73 (56–78)	0.033^1
Lowest documented DBP in ED, mean (SD)	45.05 (12.44)	38.2 (10.11)	0.038
Lowest recorded SpO2 in ED, median (IQR)	91 (87–95)	90.5 (83.5–94)	0.301^1
Vasopressors initiated in ED	18/38 (47.37%)	11/20 (55.0%)	0.581^2
Renal failure (>stage 3) or on hemodialysis patients only	n = 27	n = 13
Total volume of IVF (mL) during the entire ED duration, median (IQR)	1500 (1000–2755)	1500 (1000–3056)	0.506^1
Total volume IVF in ED (mL/kg), median (IQR)	17.54 (7.06–36.9)	23.81 (8.08–37.93)	0.583^1
Highest lactate, median (IQR)	6.1 (4.7–8.2)	6 (4.9–7.4)	0.896^1
Lowest documented SBP in ED, median (IQR)	84 (73–95)	75 (61–85)	0.115^1
Lowest documented DBP in ED, mean (SD)	47.26 (12.09)	46 (10.05)	0.747
Lowest recorded SpO2 in ED, median (IQR)	91 (86–94)	95 (92–95)	0.165^1
Vasopressors initiated in ED	13/27 (48.15%)	8/13 (61.54%)	0.427^2

IVF, intravenous fluid; ED, emergency department; ICU, intensive care unit. Continuous variables are reported as the mean (standard deviation) and median (interquartile range). ¹ value calculated by the Wilcoxon test. ² value calculated by the chi-square test. value calculated by the T-test.