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Published on: February 10, 2012
Intravascular Imaging in Chronic Total Occlusion Percutaneous Coronary Intervention
Ziad A Ali1, Rick H J A Volleberg2, Doosup Shin3
1Department of Cardiology, St. Francis Hospital and Heart Center, Roslyn, NY, USA; New York Institute of Technology, Old Westbury, NY, USA.
None:
Percutaneous coronary intervention (PCI) of chronic total occlusions (CTO) presents a technical challenge. Some of these challenges may be mitigated by the use of intravascular imaging (IVI). IVI provides additional details uniquely relevant to CTO-PCI, including facilitating guidewire passage of ambiguous cap, determination of the intra- or extra-plaque path of the guidewire, and visualization of overlapping guidewires in reverse controlled antegrade and retrograde subintimal tracking. In this review, we provide an overview of IVI in CTO-PCI, highlighting its utility in specific clinical scenarios and discuss areas that require technical advances and investigation in the context of current barriers for adoption.
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