Patent Ductus Arteriosus Banding for Circular Shunting After Pulmonary Valvuloplasty.
Por:
Bautista-Rodriguez C, Rodríguez-Fanjul J, Moreno-Hernando J, Mayol J and Caffarena-Calvar JM
Publicada:
1 sep 2017
Ahead of Print:
19 sep 2016
Resumen:
We report two cases of newborns with critical pulmonary stenosis having intact ventricular septum, who underwent pulmonary valve balloon valvuloplasty followed by banding of a patent ductus arteriosus. Transcatheter pulmonary valvuloplasty was performed one week after delivery. Following the procedure, both developed "circular shunting" as a consequence of left-to-right ductal flow and pulmonary regurgitation. This in turn caused increased blood flow into a dysfunctional right ventricle and low systemic cardiac output syndrome. The PDA banding was performed urgently as a rescue measure in order to restore systemic flow while still maintaining some duct-dependent pulmonary blood flow. This approach resolved the circular shunting. Outcome was favorable in both the patients.
Filiaciones:
Bautista-Rodriguez C:
Pediatric Cardiology Department, Hospital Sant Joan de Deu-Hospital Clínic, Universitat de Barcelona, Esplugues, Barcelona, Spain
Rodríguez-Fanjul J:
Neonatology Department, Hospital Sant Joan de Deu-Hospital Clínic, Universitat de Barcelona, Esplugues, Barcelona, Spain
Mayol J:
Pediatric Cardiology Surgery Department, Hospital Sant Joan de Deu-Hospital Clínic, Universitat de Barcelona, Esplugues, Barcelona, Spain
Caffarena-Calvar JM:
Pediatric Cardiology Surgery Department, Hospital Sant Joan de Deu-Hospital Clínic, Universitat de Barcelona, Esplugues, Barcelona, Spain
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