Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter

Table 1

Basic patient characteristics in the Simmons catheter, floating catheter, and JR catheter groups.

	Floating catheter (n = 11)	JR catheter (n = 16)	Simmons catheter	value
Gender:
Male	6	8	14	0.934
Female	5	8	11
Age (days)	43.6 ± 28.6	31.2 ± 20.8	32.5 ± 21.7	0.289
Diagnosis:
PA/IVS	3	3	4	0.658
CPS	8	13	21
Gestational age (weeks)	38.4 ± 2.7	38.0 ± 2.6	37.8 ± 2.8	0.538
Weight at initial procedure (kg)	3.7 ± 0.6	3.7 ± 0.6	3.5 ± 0.7	0.511
TV Z-score	−0.85 ± 0.6	−0.92 ± 0.7	−0.90 ± 0.7	0.912
PV Z-score	−1.97 ± 0.7	−1.88 ± 0.8	−1.94 ± 1.1	0.897

PA/IVS: pulmonary atresia with intact ventricular septum, CPS: critical pulmonary stenosis, TV: tricuspid valve, PV: pulmonary valve. Simmons Catheter group: including 8 cases of the RLG catheter.