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Table 1 Table 1

From: Atrial septal defect: hemodynamic changes before and after closure assessed with magnetic resonance exercise imaging

 

Rest

Δ REST vs. EXERCISE (Δ exercise change pre/post closure as %)

 

pre-ASD

post-ASD

pre-ASD

post-ASD

RV EDV, ml/m2

116.5 ± 21.03

87.7 ± 21.2*

-8.3 ± 0.02

-2 ± 2.3 (-76%)

RV ESV, ml/m2

61.9 ± 14.74

43.7 ± 15.1*

-10 ± 3.8†

-7.9 ± 1.9 (-21%)

RV SV, ml/m2

54.1 ± 17.4

43.9 ± 8.4

2 ± 3.9

6.1 ± 0.46† (+20%)

RV EF, %

46.4 ± 10.2

51.6 ± 8.7

5.4 ± 4.3

8.5 ± 4.2† (+57%)

RV CI [ml/min *m2]

4.33 ± 16.1

3.1 ± 0.4*

2.1 ± .34†

2.1 ± 1.3† (+0%)

LV EDV, ml/m2

52 ± 14.6

68.4 ± 16.9*

-0.3 ± 2.2

0.4 ± 1.4 (+233%)

LV ESV, ml/m2

16.7 ± 6.1

21.9 ± 9.1

-2.3 ± 1.4

-3.1 ± 1.4† (-35%)

LV.RV effective SV, ml/m2

35.1 ± 9.8

46.5 ± 9.9*

2.5 ± 0.7

3.4 ± 1.3 (+36%)

LV EF, %

68.4 ± 7.06

69 ± 7.6

5.3 ± 0.06

5.2 ± 3† (=2%)

CILV [ml/min *m2]

2.74 ± 0.6

3.3 ± 0.55*

1.6 ± 0.65†

1.9 ± 0.9† (+19%)

Heart rate, bpm

79.9 ± 0.62

72.8 ± 12.2*

36.5 ± 9.5†

33,8 ± 17.3† (+7%)

  1. *indicates a significant difference (p<0.05) between parameters assessed pre-ASD closure and post-ASD-closure
  2. †indicates a significant difference (p<0.05) between parameters assessed @ rest and @ exercise