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 2 Pulmonary and aortic systolic pressures (mean ± SD, mmHg) during the preoperative and immediately postoperative periods

	Patients	Pulmonary systolic pressure	Aortic systolic pressure
Preoperative	28	62.89 ± 12.37	110.32 ± 13.25
Immediately postoperative	28	27.82 ± 7.85	119.54 ± 19.31
P	–	< 0.01^b	0.042^a

ISSN: 1749-8090