MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC. UNIFY CRT-D; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR

Model Number CD3235-40Q

Device Problems Pacing Inadequately (1442); Under-Sensing (1661)

Patient Problem No Known Impact Or Consequence To Patient (2692)

Event Date 01/16/2017

Event Type  malfunction  

Manufacturer Narrative

(b)(4).The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be conclusively determined.

Event Description

Undersensing was noted on the atrial lead during a follow-up appointment.The undersensing led to a decrease in biventricular pacing.The device was reprogrammed as an interim measure and the lead and icd replacement were planned.The patient was stable.No additional information was available.

Event Description

Undersensing was noted on the atrial lead during a follow-up appointment.The undersensing led to a decrease in biventricular pacing.The device was reprogrammed as an interim measure.The lead was capped and replaced, and the icd was replaced.The patient was well following the procedure.

• Brand Name: UNIFY CRT-D
• Type of Device: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.; 645 almanor avenue; sunnyvale CA 94085
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.; 645 almanor avenue; sunnyvale CA 94085
• Manufacturer Contact: denise johnson ; 5050 nathan lane north; plymouth, MN 55442 ; 6517564470
• MDR Report Key: 6334435
• MDR Text Key: 67659208
• Report Number: 2938836-2017-15121
• Device Sequence Number: 1
• Product Code: NIK
• Combination Product (y/n): N
• Reporter Country Code: UK
• PMA/PMN Number: P030054
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,foreig
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 04/25/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Expiration Date: 11/30/2011
• Device Model Number: CD3235-40Q
• Device Catalogue Number: CD3235-40Q
• Device Lot Number: 3130720
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 01/16/2017
• Initial Date FDA Received: 02/15/2017
• Supplement Dates Manufacturer Received: Not provided
• Supplement Dates FDA Received: 04/25/2017
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 05/13/2010
• 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 Outcome(s): Other
• Patient Age: 76 YR
• Patient Weight: 88