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Table 3 Hemodynamic and echocardiographic parameters grouped by RVEF threshold of 35%

From: The effects of anesthesia induction and positive pressure ventilation on right-ventricular function: an echocardiography-based prospective observational study

  RVEF > 35%
N = 41
RVEF ≤35%
N = 12
Age 64 (IQR 53 to 74) 72 (IQR 63 to 77)
BMI (kg/m2) 26 ± 4 29 ± 4
EuroSCORE II [%] 2.8 (IQR 1.4 to 5.9) 7 (IQR 2.2 to 16.6)
Noradrenaline dose [μg/kg/min] 0 (IQR 0 to 0.04) 0.03 (IQR 0 to 0.07)
Time point Pre Post p value 95%CI of the mean difference Pre Post p value 95%CI of the mean difference
HR [bpm] 74 ± 15 66 ± 13 0.0005 −8 (−3 to −12) 77 ± 17 66 ± 15 0.0012 −11 (−6 to − 17)
MAP [mmHg] 91 (IQR 78 to 102) 75 ± 13 < 0.0001a −17 (− 11 to −23) 91 (IQR 81 to 109) 78 ± 9 0.0005a − 16 (−7 to − 26)
RVEDV [ml] 130 ± 35 133 ± 34 0.5479 4 (13 to −5) 145 ± 38 132 ± 44 0.1115 −14 (4 to −31)
RVESV [ml] 69 ± 19 75 ± 24 0.0253 7 (12 to 1) 102 ± 26 90 ± 36 0.0807 −12 (2 to −25)
RVEDVI [ml/m2] 66 ± 16 68 ± 16 0.5416 2 (7 to −3) 64 (IQR 59 to 82) 65 ± 20 0.0923a −7 (1 to −17)
RVESVI [ml/m2] 35 ± 9 38 ± 11 0.0281 3 (6 to 0) 51 ± 14 44 ± 17 0.0594 −6 (0 to −13)
RVEF [%] 47 ± 6 43 (IQR 40 to 49) 0.0063a −3 (0 to −5) 30 (26 to 34) 32 (28 to 37) 0.3394a 3 (8 to −2)
RV stroke volume [ml] 61 ± 19 57 ± 16 0.2001 −3 (2 to −9) 37 (IQR 35 to 54) 41 (IQR 32 to 54) 0.6221a −1 (7 to −10)
TAPSE [mm] 19 ± 4 17 ± 4 0.0033
N = 39
−2 (−1 to −3) 14 ± 3 14 (IQR 11 to 15) 0.2334a −1 (1 to −3)
TDI TV s‘[cm/s] 14.5 ± 3.3
N = 33
12 ± 3.7 < 0.0001
N = 33
−2.3 (−1.5 to −3.1) 13.3 ± 3.5 11.6 (IQR 10.5 to 13.5) 0.5371a −1 (1 to − 2)
3D-RVLS-fw [%] −25 ± 4.9 − 22.9 ± 5.9 0.0143 2 (3.5 to 0.4) −16 ± 3.2 −17.7 (IQR − 20.8 to − 10.5) 1.0000a 0 (3.3 to − 3.5)
3D-RVLS-sw [%] −13.7 ± 5.3 − 13 ± 3.7 0.5709 0.5 (2.3 to − 1.3) − 9.7 ± 3.5 −9.4 ± 3.3 0.8490 0.3 (3.6 to − 3)
  1. Pre: baseline values; Post: post-anesthesia induction values; RVEDV: right ventricular end-diastolic volume; RVESV: right ventricular end-systolic volume; RVEDVI: right ventricular end-diastolic volume indexed to body surface area; RVESVI: right ventricular end-systolic volume indexed to body surface area; 3D-RVEF: right ventricular ejection fraction derived by 3D volumetry; TAPSE: tricuspid plane systolic excursion; TDI TV s’: tissue Doppler derived peak systolic velocity of the lateral tricuspid annulus; 3D-RVLS-fw: right ventricular free wall peak longitudinal strain derived by 3D echocardiography; 3D-RVLS-sw: right ventricular septal wall peak longitudinal strain derived by 3D echocardiography
  2. aWilcoxon signed-rank test