FDA Adverse Event Malfunction Summary report: N

LEAD MODEL 302

MDR report key: 1872494 · Received October 12, 2010

Report

Report Number
1644487-2010-02280
Event Type
Malfunction
Date Received
October 12, 2010
Date of Event
September 13, 2010
Report Date
September 13, 2010
Manufacturer
CYBERONICS, INC.
Product Code
LYJ
PMA / PMN Number
P970003
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
NURSE

Narratives

Additional Manufacturer Narrative · 1

DEVICE FAILURE IS SUSPECTED, BUT DID NOT CAUSE OR CONTRIBUTE TO A DEATH OR SERIOUS INJURY.

Description of Event or Problem · 1

IT WAS REPORTED BY THE NURSE, THAT WHEN THE VNS PT WAS SEEN FOR A ROUTINE F/U APPOINTMENT, AND WHEN A SYSTEM DIAGNOSTIC TEST WAS PERFORMED, THE RESULTS REVEALED HIGH LEAD IMPEDANCE, LEAD IMPEDANCE>=10,000 OHMS. THE DEVICE WAS PROGRAMMED OFF AS INTERVENTION. THERE WAS NOTE THAT THE PT MAY HAVE EXPERIENCED A FALL RECENTLY. THE NURSE STATED THAT THE PT WAS INITIALLY THOUGHT TO BE A NON-RESPONDER TO VNS THERAPY FOR SEIZURE CONTROL, HOWEVER, ADD'L INFO RECEIVED REVEALED THAT SINCE THE DEVICE HAS BEEN DISABLED, THE PT HAS HAD A RESURGENCE OF COMPLEX PARTIAL SEIZURES AND HIS SLEEP HAS BEEN MORE DISTURBED. THE PT HAS EXPERIENCED A RECENT CHANGE IN THE LIVING SITUATION AND THE CAUSE OF THE INCREASE IN SEIZURES IS UNK AT THIS TIME, AS THERE MAY BE OTHER FACTORS INVOLVED. X-RAYS HAVE BEEN TAKEN AND PER THE RADIOLOGIST'S ASSESSMENT, THERE WERE NO LEAD DISCONTINUITIES OBSERVED. ATTEMPTS TO OBTAIN THE X-RAY IMAGES FOR REVIEW ARE IN PROGRESS. THE PT WILL LIKELY BE REFERRED TO A SURGEON TO FURTHER EXPLORE THE CAUSE OF THE HIGH LEAD IMPEDANCE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 LEAD MODEL 302 LYJ CYBERONICS, INC. 302-20 2224

Patients

Seq Age Sex Outcome Treatment
1 29 YR