MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE) UNIFY ASSURA CRT-D RF HV; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR

Model Number CD3357-40C

Device Problems Over-Sensing (1438); Pacing Problem (1439)

Patient Problem Fainting (1847)

Event Date 05/02/2017

Event Type  Injury  

Event Description

It was reported that the patient presented in-clinic for a scheduled follow-up with symptoms of presyncope.The device was interrogated and non-sustained rv oversensing episodes caused by myopotentials which resulted in multiple seconds of pacing inhibition were observed.In addition, review of the egm revealed low level, high frequency noise that was inhibiting pacing due to the possibility of myopotential oversensing.Programming changes were made and a dft was performed and the device successfully detected the vt/vf and converted the patient without issue.The patient condition was stable.

• Brand Name: UNIFY ASSURA CRT-D RF HV
• Type of Device: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE); 645 almanor avenue; sunnyvale CA 94085
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SUNNYVALE); 645 almanor avenue; sunnyvale CA 94085
• Manufacturer Contact: denise johnson ; 5050 nathan lane north; plymouth, MN 55442 ; 6517564470
• MDR Report Key: 6580161
• MDR Text Key: 75591709
• Report Number: 2938836-2017-24462
• Device Sequence Number: 1
• Product Code: NIK
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P970013
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,health
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 05/19/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Expiration Date: 01/31/2018
• Device Model Number: CD3357-40C
• Device Lot Number: A000017198
• Other Device ID Number: 05414734508186
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 05/02/2017
• Initial Date FDA Received: 05/19/2017
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 01/26/2016
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 65 YR