Arterial duct stenting in low‐weight newborns with duct‐dependent pulmonary circulation

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Abstract
Objectives: To evaluate feasibility and results of arterial duct (AD) stenting in low‐weight newborns with congenital heart disease and duct‐dependent pulmonary circulation (CHD‐DPC). Background: AD stenting is nowadays considered a cost‐effective alternative to surgical shunt in CHD‐DPC. This option might be even more advisable in low‐weight neonates (2, P < 0.002), which maybe due to a longer angiographic presenting work‐up. In‐hospital mortality rate was 14.3% (vs. 1.9% in the group II, P = NS), although none of the fatalities was procedure‐related. During follow‐up, five patients (35.7% vs. 15.7% in the group II, P = NS) underwent stent redilation before surgical repair. At control angiography, the Nakata and McGoon indexes had significantly increased (P < 0.05 for both comparisons), without any significant difference with the group II (162 ± 52% vs. 144 ± 158% and 40 ± 17% vs. 42 ± 38%, P = NS). Conclusions: AD stenting is also feasible and effective in low‐weight newborns with CHD‐DPC, supporting the spontaneous improvement process or promoting a significant pulmonary artery growth.

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