Table 2. Various IVUS criteria for optimal stent deployment.

MUSIC (BMS) (31)	TULIP (BMS) (32)	RESIST (BMS) (33)	Moussa (BMS) (34)	AVIO (DES) (35)	Modern (DES)
1. Complete strut apposition	1. Complete strut apposition	1. MSA >80% average reference lumen CSA	1. MSA >55% average vessel CSA (measured at media/plaque boundary)	1. MSA >70% of CSA of chosen non-compliant balloon (diameter of the balloon is chosen on the basis of the average media-to-media diameters of the vessel at different points of the stented area)	1. MSA >5.5 mm2 for non-LMCA; MSA >7 mm2 for distal LMCA and >8 mm2 for proximal LMCA
2. Symmetrical stent expansion: minimum/maximum lumen diameter ≥0.7	2. MLD >80% average reference lumen diameter				2. MSA >80% average reference lumen CSA
3. Adequate stent expansion	3. MSA > distal reference lumen CSA				3. Avoid extensive mal-apposition if possible
● If MSA <9 mm2 then MSA ≥90% average reference lumen area or ≥100% of minimum reference lumen area					4. Avoid large dissections and extensive tissue prolapse
● If MSA >9 mm2 then MSA ≥80% average reference lumen area or ≥90% of minimum reference lumen area

BMS, bare metal stent; DES, drug-eluting stent; MSA, minimum stent area; MLD, minimum lumen diameter; CSA, cross-sectional area; LMCA, left-main coronary artery.