Intravascular Ultrasound in Chronic Total Occlusion Percutaneous Coronary Intervention: Solving Ambiguity and Improving Durability

Megha Prasad, Akiko Maehara, Yousif Ahmad, Allen Jeremias, Evan Shlofmitz, Ajay J. Kirtane, Jeffrey W. Moses, Khady N. Fall, Gary S. Mintz, Dimitri Karmpaliotis, Ziad A. Ali

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Chronic total occlusions remain among the most technically challenging lesions to treat percutaneously. Limitations of 2-dimensional angiography may further hinder successful treatment of these lesions. Intrasvascular ultrasound has a key role in percutaneous recanalization for a chronic total occlusion by providing key lesion characteristics, facilitating guidewire crossing, elucidating the intraplaque or extralaque path of the guidewire, optimizing lesion preparation, guiding stenting and identifying suboptimal results. Live visualization of the guidewire during crossing may reduce extraplaque wire tracking. This review describes the practical uses of intravascular imaging for commonly encountered scenarios when treating chronic total occlusions.

Original languageEnglish
Pages (from-to)75-85
Number of pages11
JournalInterventional Cardiology Clinics
Volume10
Issue number1
DOIs
StatePublished - Jan 2021
Externally publishedYes

Keywords

  • Chronic total occlusion
  • Extraplaque
  • Guidewire crossing
  • Hybrid algorithm
  • Intraplaque
  • Intravascular ultrasound

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