Fig. 2

Early stent thrombosis and revascularization. a Focal and eccentric contrastive defect in the previous left anterior descending stent. b–e Cross-sectional and longitudinal views of the stent thrombosis in optical frequency domain imaging (OFDI). f 3.5-mm perfusion balloon is dilated for 3 min. g Final coronary angiography reveals reduction of the contrastive defect and thrombolysis in myocardial infarction flow grade 3 without distal emboli. h–k Cross-sectional and longitudinal views in OFDI showing an increase in the lumen area and a small amount of residual thrombus