FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 1853528 · Received October 5, 2010

Report

Report Number
2124215-2010-14838
Event Type
Malfunction
Date Received
October 5, 2010
Date of Event
June 9, 2009
Report Date
July 21, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR POST-MARKET QUALITY ASSURANCE LABORATORY, A LONGEVITY CALCULATION CONFIRMED THAT THE DEVICE DID NOT MEET LONGEVITY ESTIMATES PROVIDED IN DEVICE LABELING. PORTIONS OF THE CIRCUITRY, INCLUDING THE BATTERY, WERE ISOLATED AND TESTED. ALL LOW VOLTAGE POWER SUPPLY MEASUREMENTS WERE CURRENTLY WITHIN AN APPROPRIATE RANGE; HOWEVER, FINAL ANALYSIS CONCLUDED THAT THE PREMATURE BATTERY DEPLETION WAS DUE TO LOW VOLTAGE CAPACITOR DEGRADATION, WHICH RESULTED IN A HIGH CURRENT CONDITION. THIS ISSUE IS DISCUSSED IN THE Q2 2010 PRODUCT PERFORMANCE REPORT.

Description of Event or Problem · 1

BOSTON SCIENTIFIC CRM RECEIVED INFORMATION THAT THE PATIENT WITH THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) WAS SUSPECTED OF HAVING PACEMAKER MEDIATED TACHYCARDIA (PMT) EPISODES. A RETROGRADE CONDUCTION TEST WAS PERFORMED BY THE HEALTH CARE PROFESSIONAL (HCP) AND TRUE PMT WAS NO LONGER SUSPECTED. APPROXIMATELY ONE YEAR LATER THE DEVICE WAS EXPLANTED AND RETURNED FOR ANALYSIS. UPON RECEIPT, INITIAL LABORATORY ANALYSIS DETERMINED THAT THIS DEVICE DID NOT MEET EXPECTED LONGEVITY PREDICTIONS AS DESCRIBED IN DEVICE LABELING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T127

Patients

Seq Age Sex Outcome Treatment
1 62 YR 4461| 1851| T127| 0145| 0155