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Table 1 Characteristics and demographic data of study population (n = 25)a

From: Dynamic arterial elastance to predict arterial pressure response to volume loading in preload-dependent patients

Parameter

Value

Age (yr)

61 ± 13

Gender (M/F)

15/10

Weight (kg)

75.3 ± 15.3

Height (cm)

168.7 ± 7.8

Body surface area (m2)

1.87 ± 0.19

Body mass index (kg m-2)

24.5 ± 5.8

APACHE II score at admission

17.7 ± 5.8

Plasma lactate level, mM/L

2.16 (1.25 to 4.1)

Death, n (%)

11 (44)

ICU stay before inclusion (days)

1 (1 to 2)

Ventilator settings

 

Tidal volume, mL/kg ideal body weight

8.6 ± 1.2

Respiratory rate, breaths/min

18.5 (17 to 20)

Total PEEP, cm H2O

7.9 ± 5.9

FiO2, %

74 ± 19.6

SaO2, %

98.5 (95 to 99)

Vasoactive agents, n (dose in μg kg-1 min-1)

 

Norepinephrine

12; 0.69 ± 0.39

Dobutamine

3; 7.59 ± 1.31

Analgesic and sedative drugs

 

Morphine, n (dose in mg h-1)

3; 4 (3.25 to 4.75)

Fentanyl, n (dose in μg kg-1 h-1)

8; 1.81 ± 0.6

Remifentanyl, n (dose in μg kg-1 min-1)

11; 0.13 ± 0.07

Midazolam, n (dose in mg kg-1 h-1)

14; 0.12 ± 0.05

Acute circulatory failure origin, n (%)

 

   Sepsis

 

Abdominal

11 (44)

Pulmonary

3 (12)

   Hemorrhagic shock

4 (16)

   Postoperative

4 (16)

   Others

3 (12)

  1. aValues are expressed as means ± standard deviations, medians expressed as the 25th to 75th percentile or absolute numbers as appropriate. APACHE II, Acute Physiologic and Chronic Health Evaluation; ICU, intensive care unit; PEEP, positive end-expiratory pressure; FiO2: inspired oxygen fraction; SaO2, arterial oxygen saturation.