Skip to main content

Table 2 Hemodynamic variables before and after volume expansion/neosynephrine infusion

From: Changes in dynamic arterial elastance induced by volume expansion and vasopressor in the operating room: a prospective bicentre study

 

Before VE

After VE

P1

Before NEO

After NEO

P2

Heart rate (bpm)

64 [58–74]

60 [55–71]

< 0.0001

60 [56–71]

57 [52–65]

< 0.0001

SAP (mmHg)

80 [75–86]

83 [78–89]

0.006

80 [77–87]

102 [93–115]

< 0.0001

MAP (mmHg)

59 [53–64]

63 [59–66]

< 0.0001

60 [55–64]

75 [69–85]

0.0001

DAP (mmHg)

47 [43–50]

48 [43–52]

0.04

48 [43–51]

59 [54–65]

< 0.0001

PP (mmHg)

32 [28–38]

35 [30–40]

0.004

34 [29–39]

44 [36–52]

< 0.0001

Stroke volume (ml)

64 [54–81]

76 [63–97]

< 0.0001

81 [66–96]

64 [55–82]

< 0.0001

Cardiac output (l/min)

4.4 [3.5–5.3]

4.9 [3.7–6.2]

< 0.0001

4.9 [4.0–6.1]

3.8 [2.9–5.0]

< 0.0001

PPV (%)

12 [8–14]

8 [6–10]

< 0.0001

9 [6–11]

6 [4–9]

< 0.0001

SVV (%)

16 [12–22]

14 [11–17]

< 0.0001

14 [10–16]

11 [8–15]

0.0005

Eadyn

0.69 [0.58–0.85]

0.59 [0.42–0.77]

0.0002

0.67 [0.48–0.80]

0.54 [0.37–0.68]

< 0.0001

Ea (mmHg/ml)/SAP

1.06 [0.89–1.34]

0.91 [0.77–1.16]

< 0.0001

0.90 [0.77–1.12]

1.42 [1.08–1.88]

< 0.0001

Ea (mmHg/ml)/MAP

0.92 [0.69–1.11]

0.80 [0.63–0.99]

< 0.0001

0.72 [0.60–0.93]

1.09 [0.89–1.53]

< 0.0001

C (ml/mmHg)

2.11 [1.67–2.46]

2.33 [1.70–2.81]

0.001

2.37 [1.96–2.81]

1.57 [1.14–1.94]

< 0.0001

R (mmHg/s/ml)

13.3 [10.8–16.9]

12.8 [9.6–17.3]

0.01

12.1 [9.4–14.9]

20.5 [13.7–28.1]

< 0.0001

FTc (ms)

305 [269–333]

323 [291–354]

< 0.0001

326 [267–351]

303 [280–333]

< 0.0001

PV (cm/s)

69 [58–89]

72 [62–91]

0.0004

75 [62–94]

64 [54–77]

< 0.0001

  1. Values are median [percentile, 25–75]
  2. C net arterial compliance, DAP diastolic arterial pressure, Ea arterial elastance, Eadyn dynamic arterial elastance, FTc corrected aortic flow time, MAP mean arterial pressure, VE volume expansion, NEO neosynephrine, PP arterial pulse pressure, PPV pulse pressure variations, PV peak velocity of aortic blood flow, R arterial resistance, SAP systolic arterial pressure, SVV stroke volume variations, P1 p value of the difference obtained before and after volume expansion, P2 p value of the difference obtained before and after neosynephrine infusion