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Table 1 Systemic hemodynamics and cardiac mechanics parameters during BL, Dob and Ver steps

From: Cardiovascular magnetic resonance-derived left ventricular mechanics—strain, cardiac power and end-systolic elastance under various inotropic states in swine

 

Baseline

Dobutamine

Verapamil

HR (bpm)

106 ± 15

146 ± 12*

98 ± 19*,§

LVEF (%)

59 ± 8

77 ± 7*

39 ± 9*,§

CO (L/min)

6 ± 1

9 ± 2*

4 ± 1*,§

CI (L/min/m2)

2.5 ± 0.2

3.8 ± 0.5*

1.7 ± 0.7*,§

CPO (W)

1.2 ± 0.3

2.0 ± 0.6*

0.7 ± 0.2*,§

SVR (dyn s cm−5)

15 ± 5

11 ± 4*

19 ± 9*,§

mAoP (mmHg)

90 ± 12

98 ± 19

70 ± 10*,§

Wall stress (mmHg)

0.12 ± 0.02

0.16 ± 0.04*

0.10 ± 0.02§

  1. HR heart rate, LVEF left ventricular ejection fraction, CO cardiac output, CI cardiac index, CPO cardiac power output, SVR systemic vascular resistance, mAoP mean aortic pressure
  2. *p < 0.05 vs. Baseline; §p < 0.05 vs. Dobutamine
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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