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| Favors IVUS | Favors OCT |
|---|---|
| Aorto-ostial lesions | Thrombus detection |
| CTO PCI | Better detection of finer details due to superior resolution (such as edge dissections, strut malapposition, tissue protrusion) |
| Renal impairment | Visualization and characterization of calcified plaques |
| Large vessels (>3.75 mm diameter) | Automated measurements |
| Real-time imaging |
CTO, chronic total occlusion; PCI, percutaneous coronary intervention.
