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Short and Mid-Term Outcomes of Percutaneous Ostium Secundum Atrial Septal Defect Closure in a Single-Centre Adult Population within the National Program of Percutaneous Procedures in Adults with Congenital Heart Disease

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Effect of ASD closure on clinical, biological, and echocardiographic parameters in the patients from the study group who had at least a 1-month follow-up visit (23 from the 37 adult patients who underwent percutaneous ASD closure)

Parameter Pre-procedure Last follow-up p value
NYHA class 0/I/II/III (n) 3/3/16/1 7/2/14/0 0.005
BNP levels (pg/ml) 46.4 ± 41.3 27.7 ± 13.2 0.11
RV basal diameter (mm) 42.1 ± 5.8 32.0 ± 3.2 <0.001
RV end-diastolic area (cm2/m2) 15.7 ± 3.6 9.5 ± 2.0 0.001
RV end-systolic area (cm2/m2) 7.6 ± 1.6 4.8 ± 1.3 0.001
Fractional area change (%) 51 ± 4 50 ± 4 0.45
TAPSE (mm) 25.5 ± 4.1 23.4 ± 2.6 0.025
RV free wall S-wave (cm/s) 13.8 ± 2.4 12.6 ± 1.4 0.029
RV global longitudinal strain (%) −24.5 ± 3.4 −23 ± 4.0 0.48
RA mid-lateral diameter (mm) 45.3 ± 5.8 32.0 ± 3.2 <0.001
RA end-systolic area (cm2/m2) 21.1 ± 5.0 16.4 ± 3.8 <0.001
Tricuspid regurgitation grade mild/moderate/severe (n, %) 20/3/0 23/0/0 -
Pulmonary artery trunk (mm) 27.7 ± 5.8 24.4 ± 5.0 <0.001
Systolic PAP (mmHg) 39 ± 8 29 ± 5 <0.001
Cardiac index (l/min/m2) 2.55 ± 0.38 2.59 ± 0.48 0.79
LV end-diastolic diameter (mm) 42.8 ± 2.9 45.6 ± 2.8 <0.001
LV end-systolic diameter (mm) 27.6 ± 4.2 29.1 ± 4.0 0.066
LV ejection fraction (%) 61 ± 3 60 ± 1 0.27
Septal S wave (cm/s) 7.9 ± 1.4 7.4 ± 1.0 0.065
Lateral S wave (cm/s) 10.0 ± 2.3 8.3 ± 1.3 0.005
E wave (cm/s) 72.2 ± 20.5 78.1 ± 19.9 0.13
A wave (cm/s) 67.6 ± 18.8 62.3 ± 19.2 0.21
E/A ratio 1.1 ± 0.5 1.4 ± 0.6 0.15
EDT (ms) 185 ± 26 203 ± 36 0.019
Septal e’ (cm/s) 9.2 ± 2.2 8.9 ± 2.9 0.67
Lateral e’ (cm/s) 10.5 ± 2.7 10.3 ± 3.5 0.79
Average E/e’ 8.4 ± 3.5 10.4 ± 5.3 0.21
LA antero-posterior diameter (mm) 41.2 ± 8.5 40.4 ± 4.6 0.64
LA volume (ml/m2) 39.1 ± 14.2 40.9 ± 13.5 0.31

Differences in clinical, biological, and echocardiographic parameters in the 37 patients who underwent percutaneous ASD closure according to the patient's age at the time of the procedure

Parameter Age <60 years (n = 32) Age ≥60 years (n = 5) p value
NYHA class 0/I/II/III (n) 3/6/23/0 0/0/4/1 0.049
History of supraventricular arrhythmias (n) 6 3 0.081
Baseline BNP levels (pg/ml) 47.5 ± 44.6 88.8 ± 53.9 0.087
Baseline RV basal diameter (mm) 42.1 ± 5.2 44.2 ± 9.6 0.66
Baseline RV end-diastolic area (cm2/m2) 14.7 ± 2.8 15.0 ± 5.0 0.87
Baseline RV end-systolic area (cm2/m2) 7.0 ± 1.6 7.6 ± 2.3 0.61
Baseline fractional area change (%) 52 ± 5 49 ± 2 0.059
Baseline TAPSE (mm) 26.1 ± 3.6 24.8 ± 5.0 0.48
Baseline RV free wall S-wave (cm/s) 14.3 ± 2.5 12.2 ± 0.8 0.10
Baseline RV global longitudinal strain (%) −25.4 ± 2.8 −21.7 ± 2.0 0.10
Baseline RA mid-lateral diameter (mm) 46.1 ± 6.0 45.4 ± 5.7 0.80
Baseline RA end-systolic area (cm2/m2) 20.0 ± 3.9 24.6 ± 6.8 0.065
Baseline pulmonary artery trunk (mm) 27.4 ± 5.1 29.7 ± 5.1 0.47
Baseline systolic PAP (mmHg) 35.7 ± 6.6 44.4 ± 5.9 0.01
Baseline cardiac index (l/min/m2) 2.54 ± 0.38 2.37 ± 0.43 0.43
Baseline LV end-diastolic diameter (mm) 42.5 ± 3.9 43.8 ± 2.8 0.49
Baseline LV end-systolic diameter (mm) 27.5 ± 4.3 28 ± 4.7 0.82
Baseline LA antero-posterior diameter (mm) 37.9 ± 5.7 49 ± 8.5 0.001
Baseline LA volume (ml/m2) 34.0 ± 10.1 57.5 ± 8.6 <0.001
Δ RV basal diameter (mm) 9.6 ± 4.7 12.8 ± 7.6 0.28
Δ RV end-diastolic area (cm2/m2) 5.6 ± 2.9 8.0 ± 4.4 0.40
Δ RV end-systolic area (cm2/m2) 2.4 ± 1.3 4.0 ± 1.6 0.20
Δ Fractional area change (%) −3 ± 6 1 ± 6 0.51
Δ TAPSE (mm) 2.3 ± 4.4 1.5 ± 2.1 0.74
Δ RV free wall S-wave (cm/s) 1.8 ± 2.4 −0.9 ± 0.8 0.04
Δ RA mid-lateral diameter (mm) 7.5 ± 4.2 10.3 ± 3.5 0.28
Δ RA end-systolic area (cm2/m2) 4.9 ± 2.3 3.8 ± 7.1 0.79
Δ Pulmonary artery trunk (mm) 2.9 ± 2.9 6.5 ± 0.7 0.11
Δ Systolic PAP (mmHg) 7.5 ± 5.6 16.3 ± 4.3 0.01
Δ LV end-diastolic diameter (mm) 42.5 ± 3.9 43.8 ± 2.8 0.24
Δ LV end-systolic diameter (mm) 27.5 ± 4.3 28.0 ± 4.7 0.67
End-of-follow-up BNP levels (pg/ml) 23.8 ± 11.2 40.2 ± 8.9 0.045
End-of-follow-up systolic PAP (mmHg) 28.7 ± 5.9 30.0 ± 8.9 0.67

Baseline demographic, clinical and biological characteristics of the study group (37 adult patients who underwent percutaneous ASD closure

Parameter Value
Age (years) 43.5 ± 14.4
Gender F/M (n, %) 29/8 (78.4/21.6)
Body mass index (kg/m2) 26.3 ± 5.2
Body surface area (m2) 1.78 ± 0.17
Symptoms at presentation (n, %) 28 (75.7%)
Supraventricular arrythmias 9 (24.3%)
NYHA class 0/I/II/III (n, %) 3/6/27/1 (8.1/16.2/73/2.7)
Systolic blood pressure (mmHg) 117 ± 12
Diastolic blood pressure (mmHg) 74 ± 10
Heart rate (bpm) 73 ± 10
Resting O2 saturation in room air (%) 97 ± 1
BNP levels (pg/ml) 55.7 ± 48.4
Haemoglobin (g/dl) 13.7 ± 1.1

Baseline echocardiographic parameters of the study group (37 adult patients who underwent percutaneous ASD closure) compared to a control group of 33 healthy volunteers

Parameter ASD patients (n = 37) Healthy controls (n = 33) p value
Age (years) 43.5 ± 14.4 39.9 ± 11.1 0.25
Gender F/M (n, %) 29/8 21/12 0.14
RV basal diameter (mm) 42.4 ± 5.8 30.4 ± 2.8 <0.001
RV end-diastolic area (cm2/m2) 14.7 ± 3.0 8.6 ± 1.3 <0.001
RV end-systolic area (cm2/m2) 7.1 ± 1.6 4.5 ± 0.9 <0.001
Fractional area change (%) 51 ± 5 47 ± 6 0.009
TAPSE (mm) 25.9 ± 3.8 24.0 ± 2.8 0.023
RV free wall S-wave (cm/s) 14.0 ± 2.4 13.5 ± 1.9 0.41
RV global longitudinal strain (%) −24.9 ± 2.9 −23.3 ± 2.7 0.057
RA mid-lateral diameter (mm) 46.0 ± 5.9 34.9 ± 3.3 <0.001
RA end-systolic area (cm2/m2) 20.7 ± 4.6 13.4 ± 2.3 <0.001
Tricuspid regurgitation grade mild/moderate/severe (n, %) 28/9/0 (75.7/24.3/0) 33/0/0 (100/0/0) 0.004
Pulmonary artery trunk (mm) 27.6 ± 5.1 18.6 ± 2.7 <0.001
Systolic PAP (mmHg) 37 ± 7 23 ± 4 <0.001
Mean PAP (mmHg) 23 ± 7 16 ± 2 0.007
Cardiac index (l/min/m2) 2.51 ± 0.38 2.48 ± 0.66 0.77
LV end-diastolic diameter (mm) 42.7 ± 3.7 46.7 ± 4.5 <0.001
LV end-systolic diameter (mm) 27.6 ± 4.3 28.9 ± 3.6 0.17
LV ejection fraction (%) 60 ± 4 61 ± 4 0.42
Septal S wave (cm/s) 7.8 ± 1.4 8.2 ± 1.2 0.32
Lateral S wave (cm/s) 10.2 ± 2.3 9.4 ± 1.5 0.13
E wave (cm/s) 71.1 ± 17.8 76.6 ± 15.4 0.20
A wave (cm/s) 62.9 ± 18.8 58.8 ± 13.9 0.33
E/A ratio 1.2 ± 0.4 1.4 ± 0.5 0.16
EDT (ms) 182 ± 30 180 ± 22 0.83
Septal e’ (cm/s) 9.4 ± 2.1 11.3 ± 2.3 0.005
Lateral e’ (cm/s) 11.2 ± 2.6 14.6 ± 2.6 <0.001
Average E/e’ 7.8 ± 3.2 6.0 ± 1.4 0.021
LA antero-posterior diameter (mm) 39.5 ± 7.2 32.2 ± 3.5 <0.001
LA volume (ml/m2) 37.8 ± 13.1 26.9 ± 6.2 0.001
ASD maximum diameter (mm) 19.2 ± 4.6 - -
Device size (mm) 24.3 ± 4.8 - -

Correlations of ASD size in the ASD population

Parameter r p
BNP levels (pg/ml) 0.19 0.37
RV basal diameter (mm) 0.38 0.019
RV end-diastolic area (cm2/m2) 0.59 0.003
RV end-systolic area (cm2/m2) 0.57 0.005
Fractional area change (%) −0.05 0.82
TAPSE (mm) 0.17 0.33
RV free wall S-wave (cm/s) 0.08 0.66
RV global longitudinal strain (%) −0.13 0.60
RA mid-lateral diameter (mm) 0.35 0.040
RA end-systolic area (cm2/m2) 0.45 0.021
Pulmonary artery trunk (mm) 0.42 0.031
Systolic PAP (mmHg) 0.29 0.10
Cardiac index (l/min/m2) 0.25 0.18
LV end-diastolic diameter (mm) −0.22 0.18
LV end-systolic diameter (mm) −0.14 0.42
LA antero-posterior diameter (mm) 0.28 0.11
LA volume (ml/m2) 0.20 0.34