the success of an intra-ductal stenting in a three-day-old infant with tricuspid valve atresia: a case report

Tricuspid valve atresia is a congenital heart defect and if left untreated, the lesion has a high mortality rate. this study aimed to report a case of tricuspid valve atresia in a low-birth-weight three-day-old infant, who was treated by intra-ductal stenting and established pulmonary blood flow instead of routine shunting. the patient was a three-day-old male infant, weighing 2800 grams with a gestational age of 38 weeks. he was admitted with symptoms of tachypnea, cyanosis, 45% saturation, and severe metabolic and respiratory acidosis. on echocardiography, tricuspid valve atresia was observed. the infant was treated with prostaglandin e1 immediately after admission to the nicu and necessary interventions were taken to keep the patent ductus arteriosus (pda) open. angiography was performed through the aortic artery. first, a balloon was inserted, and then a stent was successfully placed inside the pda. preoperative saturation increased from 45% to 93% after stenting, and the infant was extubated after 48 hours in a good general condition. as the results of the current case report showed, stent placement can effectively keep the pda open and establish pulmonary blood flow in high-risk infants. it is suggested that ductal stenting should be considered as the first treatment selection in newborns with tricuspid valve atresia or as a good alternative method for blalock-taussig shunt.