It was reported that stent partial deployment occurred and the patient experienced chest tightness.The 90% stenosed, 20mm long and 3.0mm vessel diameter target lesion was located in the moderately tortuous and moderately calcified left circumflex artery.A 20 x 3.00 promus premier ous mr drug eluting stent was advanced into the bifurcated lesion for treatment.However, during the procedure when pressure was applied, the proximal end of the stent inflated but the distal end could not be inflated.As a result, the patient experienced chest tightness.The balloon pressure was released, and the stent was pulled out after repeated pushing and pulling.The procedure was completed with another of the same device.The patient status was stable following the procedure.
|