It was reported that tissue / plaque prolapse occurred.A percutaneous coronary intervention was being performed on a lesion in the left main coronary artery.The lesion was predilated with 2.5 mm balloon and then further predilated with a 3.0 mm scoring balloon.A 4 mm x 12 mm synergy stent was then deployed at 12 atmospheres.Immediately after stent deployment, an abnormality in the middle of the stent was angiographically seen and seemed a plaque prolapse occurred.The synergy stent was post dilated with 4.0 mm nc balloon at 15 atmospheres.After the post-dilatation it was observed angiographically that the in-stent abnormality had increased many folds.A 4 mm non-bsc drug eluding stent was then implanted.Per the user, it may have been a case of distortion of the stent struts or stent fracture, however this is not known.The patient was successfully discharged.
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