TCT-441 Assessing Iatrogenic Atrial Septal Defect Formation with Novel Transseptal Puncture Device

As ablation and transseptal procedures become more common due to the aging population, transseptal puncture complications become a larger concern. Iatrogenic atrial septal defects (IASDs) are typically considered to close within a year with 7% remaining at 12 months following a puncture with a 12 Fr