Pre-procedural coronary computed tomography angiography (CTA) can identify calcification, tortuosity and accurately determine the occlusion length, which may facilitate chronic total occlusion (CTO) crossing. A major limitation of offline CTA is lack of real-time guidance during percutaneous coronary intervention (PCI). This limitation can be overcome using CTA co-registration with real-time fluoroscopy system.
2. Interventional Cardiology Department, Massachusetts General Hospital, Boston, MA
3. Interventional Cardiology Department, Houston Methodist Hospital, Houston, TX
4. Minneapolis Heart Institute, Abbott Northwestern Hospital, Minneapolis, USA, United States
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