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Table 2 Cardiac anomaly of patients enrolled

From: A randomized controlled trial of ultrasound-assisted technique versus conventional puncture method for saphenous venous cannulations in children with congenital heart disease

Cardiac anatomy Count (n)
Cyanotic heart disease
 Tetralogy of Fallot 59
 Pulmonary stenosis 12
 Pulmonary atresia 1
 Total 72
Acyanotic heart disease
 Ventricular septal defect (VSD) 34
 Atrial septal defect (ASD) 7
 Patent ductus arteriosus (PDA) 1
 Mixed type (including VSD、ASD or PDA) 30
 Total 72