OR1-13 | Single-Center Analysis of Tricuspid Regurgitation After Percutaneous Patent Ductus Arteriosus Closure in Neonates ≤2 Kilograms Following Change in Procedural Technique

0.7261) and RR of 0.988 (95% CI: 0.926-1.055).At one year,cardiovascular mortality was still higher in the PCI group (8.44%) compared to medical management (7.25%), with a risk difference of 1.19% (p 0.03) and a risk ratio of 1.165.All MACEs were significantly higher in the PCI cohort (85.51% vs. 76.17%), with a risk difference of 9.34% (p < 0.0001), a risk ratio of 1.123.Conclusions: PCI in chronic coronary occlusion is linked to higher rate of all cause mortality and risks of long-term MACEs compared to medical management.These findings emphasize the importance of patient selection and risk stratification to balance benefits and risks of PCI effectively.