Product event summary: the data files and balloon catheter 2af283, with lot number 89218 were returned and analyzed.The data files showed at least 14 applications were performed with the balloon catheter on the date of the event and did not show any issues.Visual inspection of the balloon catheter showed the push button luer was broken.The luer broke outside the patient¿s body and does not relate to the clinical issues.The catheter passed the performance test and electrical integrity as per specification; impedance was also within specification.Furthermore, dissection showed a guide wire lumen kink inside the balloon at 1.45 inches from the tip of the catheter.Several clinical issues (cardiac tamponade, pericardial effusion, hypoxia and hypotension) were encountered during the procedure.There is insufficient evidence to conclude that the malfunctions are related to the clinical issues.
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It was reported that during a cryo ablation procedure, systolic and diastolic pressures were out of the expected range, and oxygen through the pulsiometer were low.A transthoracic echography was performed and a tamponade was observed.Pericardiocentesis was performed.Medication was administered which controlled the blood effusion.Blood was transfused.The patient stabilized.It was noted that the tamponade occurred when the sheath was moved from the right side to the left side.The case was completed with cryo.No further patient complications have been reported as a result of this event.The balloon catheter subsequently tested out of specification per the manufacturer's investigation.
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