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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