It was reported that balloon deflation issue occurred and patient experienced bradycardia.The target lesion was located in the left anterior descending artery (lad).A 2.50mm x 15mm nc emerge balloon catheter was advanced and initially inflated at 8 atmospheres for 15 seconds with a non-bsc inflation device.However, during the second inflation at 6 atmospheres for 10 seconds, the balloon failed to deflate.A second non-bsc inflation device was used to deflate the balloon.The prolonged inflation cut off blood to the distal portion of the lad and the patient experienced symptomatic bradycardia.Subsequently, the patient was treated with emergency medications and cardiopulmonary resuscitation.After the patient was stabilized, the procedure was completed with stent placement in the lad.No further patient complications were reported and the patient recovered.
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