Commentary on: Angiographic scoring system for predicting successful percutaneous coronary intervention of uneasy in-stent chronic total occlusion

Abstract

As the Percutaneous Coronary Intervention (PCI) is prevalent in the recent decades, In-Stent Coronary chronic Total Occlusion (IS-CTO) has become a frequently met lesion in daily PCI procedure. It is estimated IS-CTO PCI accounts for 5-25% of all CTO