FDA Adverse Event Malfunction Summary report: N

DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER

MDR report key: 2952775 · Received February 9, 2013

Report

Report Number
2649622-2013-00719
Event Type
Malfunction
Date Received
February 9, 2013
Report Date
February 25, 2013
Manufacturer
MPRI
Product Code
LWS
PMA / PMN Number
P920015
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FI
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

THIS EVENT OCCURRED OUTSIDE THE US WHERE THE SAME MODEL IS DISTRIBUTED. ALL INFORMATION PROVIDED IS INCLUDED IN THIS REPORT. PATIENT INFORMATION IS NOT GENERALLY AVAILABLE DUE TO CONFIDENTIALITY CONCERNS. PRODUCT EVENT SUMMARY: PERFORMANCE DATA WAS RECEIVED AND ANALYZED. HIGH RESISTANCE/IMPEDANCE WAS NOTED AS THE WEEKLY PACE IMPEDANCE TREND DATA SHOWS A GRADUAL INCREASE FROM MINIMUM AND MAXIMUM VENTRICULAR PACE IMPEDANCE FROM 848 TO 1584 OHMS PEAK BETWEEN (B)(6) 2012. (B)(4).

Additional Manufacturer Narrative · 1

CORRECTED INFORMATION: NO EVAL EXPLAIN CODE. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE RIGHT VENTRICULAR LEAD HAD INCREASING AND HIGH IMPEDANCE WHICH TRIGGERED AN ALERT. IT WAS ALSO NOTED THAT THE LEAD WAS SUSPECTED TO BE FRACTURED PER X-RAY. THE LEAD WAS CAPPED AND REPLACED; HOWEVER, THE HIGH IMPEDANCE CONTINUED WHEN THE NEW LEAD WAS CONNECTED TO THE EXISTING DEVICE. THE DEVICE AND LEAD WERE DISCONNECTED AND CONNECTED MULTIPLE TIMES BUT THE IMPEDANCE REMAINED HIGH. THE DEVICE WAS EXPLANTED AND REPLACED, AND NORMAL IMPEDANCE WAS OBTAINED. THE NEW LEAD AND DEVICE REMAIN IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE RIGHT VENTRICULAR LEAD HAD INCREASING AND HIGH IMPEDANCE WHICH TRIGGERED AN ALERT. IT WAS ALSO NOTED THAT THE LEAD WAS SUSPECTED TO BE FRACTURED PER X-RAY. THE LEAD WAS CAPPED AND REPLACED; HOWEVER, THE HIGH IMPEDANCE CONTINUED WHEN THE NEW LEAD WAS CONNECTED TO THE EXISTING DEVICE. THE DEVICE AND LEAD WERE DISCONNECTED AND CONNECTED MULTIPLE TIMES BUT THE IMPEDANCE REMAINED HIGH. THE DEVICE WAS EXPLANTED AND REPLACED, AND NORMAL IMPEDANCE WAS OBTAINED. THE NEW LEAD AND DEVICE REMAIN IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
56025 DEFIBRILLATOR, AUTOMATIC IMPLANTABLE CARDIOVERTER LWS MPRI 6944-65

Patients

Seq Age Sex Outcome Treatment
1 00065 YR Hospitalization| R (B)(4) IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD