FDA Adverse Event Injury Summary report: N

TRANSVENOUS

MDR report key: 3210873 · Received July 8, 2013

Report

Report Number
2124215-2013-08199
Event Type
Injury
Date Received
July 8, 2013
Date of Event
April 25, 2013
Report Date
May 1, 2013
Manufacturer
HISTORICAL CPI ST. PAUL
Product Code
NVN
PMA / PMN Number
K822485
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

THE PHYSICIAN HAD ELECTED TO REPROGRAM THE DEVICE TO ATRIAL-ONLY PACING (AOO); THE DEVICE AND LEADS REMAIN IN SERVICE. 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 SHORTLY AFTER THE DEVICE REPLACEMENT PROCEDURE, THIS DEVICE AND CHRONIC RIGHT VENTRICULAR (RV) LEAD EXHIBITED NOISE THAT WAS OVERSENSED. A REVIEW OF THE ELECTROGRAMS CONFIRMED THE NOISE AND SHOWED PAUSES IN PACING THAT MAY HAVE RESULTED IN GREATER THAN TWO SECONDS OF ASYSTOLE. THE LEAD MEASUREMENTS WERE WITHIN NORMAL LIMITS. A TECHNICAL SERVICES CONSULTANT DISCUSSED TROUBLESHOOTING TECHNIQUES FOR ATTEMPTING TO REPRODUCE THE NOISE, AS WELL AS CONFIRMING THRESHOLD AND SENSING MEASUREMENTS. THE NOISE PATTERN WAS CONSISTENT WITH A DAMAGED SEAL PLUG OR LOOSE SETSCREW. THE FIELD REPRESENTATIVE REPORTED TROUBLESHOOTING HAD BEEN PERFORMED AND THE NOISE COULD NOT BE REPRODUCED. IT WAS ALSO NOTED THAT SOME OVERSENSING ON THE CHRONIC RIGHT ATRIAL (RA) LEAD WAS ALSO OBSERVED. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
309208 TRANSVENOUS IMPLANTABLE LEAD NVN HISTORICAL CPI ST. PAUL 4260

Patients

Seq Age Sex Outcome Treatment
1 74 YR Life Threatening| R 4260| S602| 4266| 0925| 0950| 0940