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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)