Table 1.
Updated Guidelines Regarding Intravascular Imaging–Guided PCI
| European Guidelines4,6 |
American Guidelines5 |
|||
|---|---|---|---|---|
| Class of Recommendation | Level of Evidence | Class of Recommendation | Level of Evidence | |
| Stent optimization by IVUS or OCT guidance | IIa | B | IIa | B |
| Assessing the mechanisms of stent restenosis and stent thrombosis by IVUS and/or OCT guidance | IIa | C | IIa | C |
| PCI optimization for ULMCA disease by IVUS guidance | IIa | B | IIa | B |
| IVUS or OCT guidance in the setting of ACS | IIa | A | Not mentioned | |
| OCT or IVUS guidance, preferably OCT, when assessing ambiguous culprit lesions in the setting of ACS | IIb | C | Not mentioned | |
ACS = acute coronary syndrome; IVUS = intravascular ultrasound; OCT = optical coherence tomography; PCI = percutaneous coronary intervention; ULMCA = unprotected left main coronary artery.