It was reported that balloon rupture occurred.The 38mm x 3.20mm stenosed target lesion was located in the moderately tortuous and severely calcified mid left anterior descending artery.Following pre-dilatation, a 38 x 3.00 promus premier drug-eluting stent was advanced to treat the lesion.However, during deployment, the stent did not fully expand and could not dilate the lesion.Furthermore, angiography showed that the balloon was not completely deployed after pressure was applied.The physician stated that the difficulty deploying the stent might have been caused by a ruptured balloon.The procedure was completed with the original device.There were no complications reported and the patient status was stable.
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