Table 1 Baseline and dobutamine stress echocardiographic analysis.

From: Plin2-deficiency reduces lipophagy and results in increased lipid accumulation in the heart

 

Baseline

p

Dobutamine stress

p

Plin2+/+

Plin2−/−

Plin2+/+

Plin2−/−

n

9

8

ns

9

7

ns

LV V(d) (µL)

86.3 ± 11.4

89.9 ± 15.5

ns

59.6 ± 7.93

63.92 ± 8.89

ns

LV V(s) (µL)

36.6 ± 5.8

39.7 ± 6.3

ns

11.02 ± 4.61

11.89 ± 4.61

ns

EF (%)

57.3 ± 6.3

55.1 ± 7.4

ns

81.4 ± 7.30

81.09 ± 7.62

ns

SV (µL)

49.7 ± 9.6

50.2 ± 14.4

ns

48.6 ± 8.09

52.03 ± 9.64

ns

CO (ml/min)

20.2 ± 4.6

22.1 ± 7.4

ns

29.1 ± 5.41

31.18 ± 6.32

ns

CI (µl/g)

0.57 ± 0.09

0.60 ± 0.13

ns

0.80 ± 0.11

0.87 ± 0.22

ns

  1. LV V(d), left ventricular diastolic volume; LV V(s), left ventricular systolic volume; EF, ejection fraction; SV, stroke volume; CO, cardiac output; CI, cardiac index. Data are presented as mean ± SD.