FDA Adverse Event Malfunction Summary report: N

VITALITY 2

MDR report key: 1873862 · Received October 19, 2010

Report

Report Number
2124215-2010-17593
Event Type
Malfunction
Date Received
October 19, 2010
Date of Event
August 31, 2010
Report Date
November 10, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-1047-2007 TO Z-1055-20
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

A REVIEW OF DEVICE MEMORY REVEALED THAT THE DEVICE DECLARED ELECTIVE REPLACEMENT INDICATOR (ERI) AFTER EXPERIENCING TWO CONSECUTIVE CHARGE TIMES GREATER THAN THE EXTENDED MID-LIFE ERI CHARGE TIME LIMIT. THE DEVICE DECLARED END OF LIFE (EOL) POST EXPLANT AFTER EXPERIENCING ONE CHARGE TIME GREATER THAN 30 SECONDS. THE OBSERVED RATE OF BATTERY USAGE WAS COMPARED TO THE EXPECTED RATE OF BATTERY USAGE; THE RESULTS INDICATED THAT THE MONITORING VOLTAGE WAS NORMAL. ALTHOUGH THE BATTERY ITSELF HAD NOT DEPLETED PREMATURELY, ERI WAS TRIGGERED EARLIER THAN EXPECTED BY EXTENDED CHARGE TIMES DUE TO A HIGHER-THAN-TYPICAL BUILD-UP OF INTERNAL BATTERY IMPEDANCE.

Additional Manufacturer Narrative · 1

THE AVAILABLE INFORMATION SUGGESTS THIS DEVICE REMAINS IN SERVICE. SHOULD ADDITIONAL INFORMATION BECOME AVAILABLE THIS EVENT WILL BE UPDATED.

Additional Manufacturer Narrative · 1

SUBSEQUENTLY, THE DEVICE WAS EXPLANTED AND RETURNED FOR ANALYSIS. THIS REPORT WILL BE UPDATED WHEN ANALYSIS IS COMPLETE.

Description of Event or Problem · 1

BOSTON SCIENTIFIC CRM RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) DECLARED ELECTIVE REPLACEMENT INDICATOR (ERI) DUE TO EXTENDED CHARGE TIMES EXCEEDING THE EXTENDED CHARGE TIME LIMIT. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY 2 IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T177

Patients

Seq Age Sex Outcome Treatment
1 83 YR Required Intervention (B)(4)| (B)(4)| (B)(4)| (B)(4)