FDA Adverse Event Injury Summary report: N

TELIGEN

MDR report key: 2151465 · Received July 6, 2011

Report

Report Number
2124215-2011-06008
Event Type
Injury
Date Received
July 6, 2011
Date of Event
March 30, 2011
Report Date
April 4, 2011
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

AS NO FURTHER INFORMATION CONCERNING THIS REPORT IS EXPECTED, OUR INVESTIGATION IS COMPLETE. THIS INVESTIGATION WILL BE UPDATED SHOULD FURTHER INFORMATION BE PROVIDED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THE PATIENT WITH THIS RIGHT ATRIAL (RA) LEAD WAS WOKEN UP AFTER RECEIVING A SHOCK. INTERROGATION OF THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) FOUND THAT THE SHOCK WAS APPROPRIATE DUE TO A VENTRICULAR TACHYCARDIA. HOWEVER, IT WAS ALSO DISCOVERED THAT THIS RA LEAD WAS NOT FUNCTIONAL AND BELIEVED TO HAVE DISLODGED. THIS INFORMATION HAD BEEN COMMUNICATED TO THE PHYSICIAN IN (B)(6) 2010 BUT NOT ACTION WAS TAKEN AT THE TIME. IN ADDITION, THE RIGHT VENTRICULAR (RV) LEAD PRESENTED WITH AN INCREASE IN PACING IMPEDANCE MEASUREMENTS FROM 485 TO 1,400 OHMS AND AN INCREASE IN PACING THRESHOLDS. NO ADVERSE PATIENT EFFECTS WERE REPORTED. A REVISION PERFORMED TO EVALUATE THE LEADS. BOTH THE RV AND RA LEADS WERE FOUND TO BE VERY TWISTED IN THE POCKET REGION. THE RA LEAD WAS FULLY RETRACTED INTO THE POCKET. AN X-RAY WAS PERFORMED AND REVEALED THAT THE RV LEAD TIP WAS IN THE CORRECT POSITION BUT THE HELIX HAD MOSTLY RETRACTED WHICH WOULD ACCOUNT FOR THE CHANGES IN LEAD PACING IMPEDANCES AND THRESHOLDS. WHEN QUESTIONED, THE PATIENT DENIED TWIDDLING THE DEVICE. THE PHYSICIAN NOTED THAT THE POCKET WAS LARGER THAN THE ACTUAL DEVICE AND SUSPECTS THAT THE ICD MAY HAVE TWISTED WHILE IMPLANTED. THE RA LEAD WAS EXPLANTED WHERE IT WAS DISCOVERED THAT THE HELIX WAS EXTENDED BUT VERY BENT. ATTEMPTS TO RE-INSERT A STYLET INTO THE RV LEAD WERE UNSUCCESSFUL AND IT WAS ALSO NOTED THAT THE LEAD BODY WAS KINKED. THE RV LEAD WAS ALSO EXPLANTED. BOTH LEADS WERE SUCCESSFULLY REPLACED AND CONNECTED TO THE ICD WITH NORMAL MEASUREMENTS. NO ADVERSE PATIENT EFFECTS WERE REPORTED IN ASSOCIATION WITH THIS SURGICAL PROCEDURE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 TELIGEN IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND E111

Patients

Seq Age Sex Outcome Treatment
1 Required Intervention