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