Skip to main content

Table 1 Hemodynamics, LV size, transmitral and transaortic Doppler, and IMP at baseline and with chronic LV dysfunction

From: Effect of changes in contractility on the index of myocardial performance in the dysfunctional left ventricle

 

Baseline

Chronic LVD

LV End Diastolic Volume (cc)

41 ± 5

54 ± 8***

LV End Systolic Volume (cc)

15 ± 4

31 ± 12***

Stroke Volume (cc)

26 ± 3

23 ± 9

LV Ejection fraction (%)

63 ± 9

42 ± 3***

LV Mass (g)

61 ± 10

85 ± 11***

LVSP (mm Hg)

109 ± 14

111 ± 12

LVEDP (mm Hg)

6.2 ± 2.3

11.8 ± 4.9**

Cardiac Output (l/min)

3.1 ± 0.7

2.8 ± 0.4

Peak +dP/dT (mm Hg/sec)

1874 ± 244

1388 ± 206***

Tau (msec)

24 ± 6

39 ± 5***

E/A

2.1 ± 1.3

1.5 ± 0.4*

Heart rate (beats/min)

78 ± 12

93 ± 18*

Deceleration Time (msec)

217 ± 38

129 ± 36**

ICT index (msec)

40 ± 22

58 ± 31*

IRT index (msec)

46 ± 19

63 ± 29

LV ejection time index (msec)

226 ± 23

201 ± 24*

IMP

0.38 ± 0.14

0.60 ± 0.19**

  1. Abbreviations: E/A = peak rapid filling velocity/peak atrial filling velocity; ICT = isovolumic contraction time; IRT = isovolumic relaxation time; IMP = Index of myocardial performance; LVSP = LV systolic pressure; LVD = LV dysfunction; LVEDP = LV end diastolic pressure.
  2. Statistics:*p < 0.05, **p < 0.01, ***p < 0.001 vs Baseline;
Back to article page

Cardiovascular Ultrasound

ISSN: 1476-7120

Contact us