FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 2053373 · Received April 13, 2011

Report

Report Number
2124215-2011-06227
Event Type
Malfunction
Date Received
April 13, 2011
Date of Event
March 3, 2011
Report Date
March 3, 2011
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
MEDICAL EQUIPMENT COMPANY TECHNICIAN/REPRESENTATIVE

Narratives

Additional Manufacturer Narrative · 1

TO DATE, INFORMATION SUGGESTS THAT THESE MEDICAL DEVICES REMAIN ACTIVELY IN SERVICE. AS NEW INFORMATION BECOMES AVAILABLE, THIS REPORT WILL BE FURTHER EVALUATED AND UPDATED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) IN ASSOCIATION WITH THE TRANSVENOUS RIGHT VENTRICULAR (RV) LEAD WERE REPROGRAMMED AFTER THE PATIENT EXPERIENCED THREE EPISODES OF A SLOW VENTRICULAR TACHYCARDIA (VT) THAT FELL INTO THE EXISTING MONITOR ONLY ZONE. THE PATIENT EXPERIENCED SYNCOPE DURING ONE OF THESE EPISODES AND THEN REQUIRED MEDICAL ATTENTION. IN RESPONSE, THE MONITOR ONLY ZONE SUBSEQUENTLY WAS REPROGRAMMED TO PROVIDE ATP AND SHOCK THERAPIES WITH A RATE CUT-OFF BELOW THE OBSERVED VT RATE. THE PATIENT ALSO EXHIBITED CONTINUED CHRONIC OVERSENSING IN THE BOTH THE RIGHT ATRIAL AND RIGHT VENTRICULAR CHAMBERS, BUT THE OVERSENSING DID NOT CONTRIBUTE TO OR AFFECT THE VT EPISODES. THE DEVICE HAD PREVIOUSLY BEEN REPROGRAMMED FOR THE OVERSENSING. THE PATIENT CONTINUES TO BE MONITORED BY HIS CARDIOLOGIST.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T125

Patients

Seq Age Sex Outcome Treatment
1 86 YR Required Intervention (B)(4)| (B)(4)| (B)(4)