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Table 2 Hemodynamic variables during preload changes

From: Performance comparison of ventricular and arterial dP/dtmax for assessing left ventricular systolic function during different experimental loading and contractile conditions

 

Bleeding

Fluid administration

Variables

Before

After

Before

After

CO, Lmin−1

7.87 ± 1.44

7.64 ± 1.32

7.89 ± 1.70

9.11 ± 2.42*

SV, ml

107 ± 12

108 ± 14

109 ± 15

118 ± 22*

HR, beatsmin− 1

73 ± 10

71 ± 10

72 ± 10

76 ± 8*

MAP, mmHg

79 ± 11

56 ± 7

63 ± 9

78 ± 9*

EDV, ml

234 ± 50

211 ± 57

215 ± 52

259 ± 47

ESV ml

124 ± 48

100 ± 49

104 ± 48

141 ± 45

LV Ped, mmHg

12 ± 3

5 ± 4

7 ± 3

16 ± 4

LV Pes, mmHg

83 ± 13

62 ± 8

71 ± 8

82 ± 10*

Ea, mmHgml−1

0.67 ± 0.14

0.54 ± 0.09

0.59 ± 0.12

0.58 ± 0.15

Ees, mmHgml− 1

0.36 ± 0.13

0.39 ± 0.16

0.39 ± 0.15

0.31 ± 0.11*

LV ejection fraction, %

49 ± 11

55 ± 13

54 ± 13

47 ± 10*

SVV, %

12.4 ± 3.3

25.7 ± 8.6

19.8 ± 5.9

8.3 ± 3.9*

LV dP/dtmax, mmHgs− 1

993 ± 184

845 ± 218

927 ± 195

1007 ± 49

Femoral dP/dmax, mmHgs− 1

297 ± 53

238 ± 63

267 ± 63

279 ± 48

Radial dP/dtmax, mmHgs− 1

422 ± 178

313 ± 164

376 ± 135

405 ± 111

  1. Data are presented as mean ± SD
  2. LV left ventricle, CO cardiac output, SV stroke volume, HR heart rate, MAP mean arterial pressure, EDV left ventricular end-diastolic volume, ESV left ventricular end-systolic volume, LV Ped left ventricular end-diastolic pressure, LV Pes left ventricular end-systolic pressure, Ees end-systolic elastance, Ea effective arterial elastance, SVV stroke volume variation, dP/dtmax peak rate of pressure
  3. *P < 0.05, P ≤ 0.001, P ≤ 0.0001 vs “before” stage