It was reported that the balloon ruptured.The 75% stenosed target lesion was located in a moderately tortuous and severely calcified posterior descending artery.A 10mmx2.50mm wolverine coronary cutting balloon was selected for use.During the procedure, the lesion was becoming difficult to cross and was severely difficult to insert the device.Afterwards, inflation was continuously performed several times at 10atm twice for 10 seconds each and at 12atm for three times at 10 seconds each before reaching the lesion.However, the balloon ruptured at 12atm.The balloon was deflated for 20 to 30 seconds, there was a slight resistance felt upon withdrawing the balloon and was then simply pulled out from the patient's body.The procedure was completed with a different device.There were no patient complications reported.
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