It was reported that the stent failed to completely expand requiring additional intervention.The 80% stenosed target lesion was located at the right side of the mildly tortuous and mildly calcified internal carotid artery (ica) and the common carotid artery (cca).A 8.0-21 carotid wallstent stent was advanced for treatment.However, during the procedure, the stent could not fully deploy.The physician used a 4.0 x 20 balloon catheter to expand the stent and was successfully deployed.No further complications were reported and the patient status was stable.
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