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Research Article: Efficiency of the Guide Extension Catheter-Facilitated Tip-in Technique in the Recanalization of Coronary Chronic Total Occlusion

Date Published: 2023-08-25

Abstract:
With the innovation of equipment and techniques, the success rate of recanalization of coronary chronic total occlusion (CTO) via percutaneous coronary intervention (PCI) has been improved dramatically over the years. The retrograde approach played an indispensable role in crossing the occlusion, which could be accomplished by wire externalization, tip-in and rendezvous., Both wire externalization and rendezvous require retrograde crossing of a microcatheter, which could be impossible in tortuous and severely calcified lesions. Under such circumstances, tip-in would be the most suitable way to accomplish the procedure.

Introduction:
With the innovation of equipment and techniques, the success rate of recanalization of coronary chronic total occlusion (CTO) via percutaneous coronary intervention (PCI) has been improved dramatically over the years. The retrograde approach played an indispensable role in crossing the occlusion, which could be accomplished by wire externalization, tip-in and rendezvous. , Both wire externalization and rendezvous require retrograde crossing of a microcatheter, which could be impossible in tortuous and severely…

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