Task: Answer Verification
Input (English): Question: Does morphology of the patent ductus arteriosus preclude successful patent ductus arteriosus stent implantation in high-risk patients undergoing hybrid stage I palliation : recommendations to optimize ductal stent positioning?
Answer: Mid- to long-term follow-up indicates that PDA stents remain widely patent regardless of ductal morphology until comprehensive stage II repair.
Output (English): no