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Table 2 Changes in heart size before and after atrial septal defect closure

From: Midterm follow-up of transthoracic device closure of an atrial septal defect using the very large domestic occluder (44–48 mm), a single Chinese cardiac center experience

Item

Pre-operation

3 months after procedure

1 year after procedure

3 years after procedure

End-systolic length of the right atrium (mm)

75.6 ± 9.5

54.4 ± 6.9*

51.3 ± 7.2*

50.8 ± 6.9*

End-systolic width of the right atrium (mm)

60.2 ± 10.3

49.3 ± 7.5*

44.6 ± 8.5*

44.4 ± 7.6*

End-diastolic length of the right ventricle (mm)

68.6 ± 10.5

59.2 ± 12.3*

58.3 ± 9.5*

57.8 ± 8.6*

End-diastolic width of the right ventricle (mm)

55.6 ± 9.4

51.3 ± 8.7

45.7 ± 7.4*

45.3 ± 8.2*

The right ventricular fractional area change

50.1 ± 3.5

44.3 ± 3.2*

42.5 ± 3.1*

42.2 ± 4.2*

RV-Tei

0.49 ± 0.08

0.34 ± 0.02*

0.31 ± 0.04*

0.31 ± 0.05*

End-systolic length of the left atrium (mm)

42.3 ± 4.5

48.4 ± 6.3*

46.5 ± 5.8*

45.7 ± 6.1*

End-systolic width of the left atrium (mm)

33.2 ± 3.5

37.2 ± 4.3*

37.5 ± 4.2*

37.6 ± 4.5*

End-systolic width of the left ventricle (mm)

27.6 ± 4.2

31.5 ± 5.6*

32.6 ± 5.7*

32.2 ± 5.4*

End-systolic length of the left ventricle (mm)

37.7 ± 7.5

46.1 ± 7.8*

51.7 ± 8.6*

51.2 ± 5.2*

Left ventricular ejection fraction (%)

52.2 ± 5.1

60.4 ± 4.6*

62.1 ± 5.3*

61.8 ± 4.8*

  1. *Different from Preoperative (P < 0.05)