In patients with pulmonary atresia and intact ventricular septum, physiological changes after PDA stenting may unexpectedly necessitate emergency transcatheter closure of the stented PDA rather than redilation.
Patients with congenital heart disease and duct-dependent pulmonary circulation can undergo stenting of the patent ductus arteriosus (PDA). This case shows that, due to the physiological changes occurring after stent implantation, sometimes it is necessary to close the stented PDA rather than to redilate it.
Faccini et al. (Sat,) studied this question.
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