Short-term results of interventional therapy for infants (7–36 months old) with patent ductus arteriosus and moderate-to-severe pulmonary hypertension: a retrospective study

Table 1 Characteristics of the study population

Patients (n)	28
Female	18 (64.29%)
Age (mean ± SD, months)	25.50 ± 10.54
Weight (kg)	9.73 ± 3.04
Height (cm)	84.39 ± 10.26
BMI (kg/m²)	13.40 ± 2.53
PDA diameter (mm)	3.86 ± 1.44
PDA diameter/DA diameter (%)	43.30 ± 15.90
PA systolic pressure/DA systolic pressure	0.565 ± 0.023
PDA classification (n)
Tube type	3
Funnel type	25
LA diameter (mm)	23.57 ± 3.74
LVEDD (mm)	37.21 ± 6.07
LVEF (%)	55.46 ± 1.95

BMI, body mass index; PDA diameter, the diameter of the narrowest part of the PDA; DA, descending aorta; PA, pulmonary artery; LA, left atrium; LVEDD, left ventricular end-diastolic diameter; LVEF, left ventricular ejection fraction.

ISSN: 1749-8090