MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION DYNAGEN X4 CRT-D; CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR (CRT-D)

Model Number G158

Device Problems Pacing Problem (1439); Inappropriate/Inadequate Shock/Stimulation (1574)

Patient Problem Shock from Patient Lead(s) (3162)

Event Date 03/08/2024

Event Type  Injury  

Event Description

It was reported that there were concerns this cardiac resynchronization therapy defibrillator (crt-d) delivered inappropriate therapy.This device delivered bursts of anti-tachycardia pacing (atp) and six shocks.The therapy was believed to be a result of supraventricular tachycardia (svt).Technical services (ts) reviewed the event information and suggested reprogramming options.This device remains in service.No additional adverse patient effects were reported.

• Brand Name: DYNAGEN X4 CRT-D
• Type of Device: CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR (CRT-D)
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; cashel road; clonmel ; EI
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; 6515826168
• MDR Report Key: 19004742
• MDR Text Key: 338920523
• Report Number: 2124215-2024-18716
• Device Sequence Number: 1
• Product Code: NIK
• UDI-Device Identifier: 00802526534904
• UDI-Public: 00802526534904
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P010012/S341
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date: 03/27/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/29/2024
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Expiration Date: 07/04/2021
• Device Model Number: G158
• Device Catalogue Number: G158
• Device Lot Number: 219942
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 03/11/2024
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 07/17/2019
• 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: 69 YR
• Patient Sex: Female