CONTEMPORARY OUTCOMES OF CHRONIC TOTAL OCCLUSION INTERVENTIONS FOR IN-STENT RESTENOSIS OCCLUSIONS: UPDATE FROM AN INTERNATIONAL MULTICENTER REGISTRY

Chronic total occlusions due to in-stent restenosis (ISR-CTOs) can be challenging to recanalize. We examined the incidence, clinical, angiographic and procedural characteristics of ISR-CTOs among 3,747 CTO PCIs performed in 3,667 patients at 23 centers internationally. Mean age was 64±10 years