How to: Modified Single-Stage Endoscopic Repair for Bilateral Choanal Atresia Minimize Damage to Adjacent Sinonasal Structures May 13, 2024 Ideally, the optimal surgical procedure to address choanal atresia should safely restore nasal patency, minimize damage to adjacent sinonasal structures, and eliminate reoperation with minimal disease associated morbidity. Pages: 1 2 | Single Page