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Table 1 Hemodynamic values for seven pigs before and after left anterior descending coronary artery occlusion

From: Is strain by Speckle Tracking Echocardiography dependent on user controlled spatial and temporal smoothing? An experimental porcine study

 

Baseline

Occlusion

Statistics

Heart rate, beats/min

92 ± 5

90 ± 3

P = 0.65

LVSPmax, mmHg

121 ± 2

96 ± 5*

P < 0.001

LVEDP, mmHg

7.7 ± 0.7

14.1 ± 1.4*

P = 0.003

dP/dtmax, mmHg/s

1446 ± 57

1241 ± 109*

P = 0.027

dP/dtmin, mmHg/s

-1941 ± 73

-1390 ± 92*

P < 0.001

Cardiac index, L/min per m2

4.2 ± 0.2

3.6 ± 0.3*

P = 0.023

MAP, mmHg

100 ± 4

76 ± 6*

P < 0.001

  1. Mean ± SEM. n = 7. LVSPmax and LVEDP = left ventricular peak systolic and –end-diastolic pressure; dP/dtmax and dP/dtmin = peak positive and peak negative first derivatives of left ventricular pressure; MAP = mean aortic pressure; *denotes significant difference from baseline value by paired sample t-test.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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