FDA Adverse Event Injury Summary report: N

COGNIS

MDR report key: 2151105 · Received July 6, 2011

Report

Report Number
2124215-2011-07010
Event Type
Injury
Date Received
July 6, 2011
Date of Event
April 4, 2011
Report Date
April 4, 2011
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
NIK
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Occupation
MEDICAL EQUIPMENT COMPANY TECHNICIAN/REPRESENTATIVE

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 CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR (CRT-D) WAS SHOCKED SEVERAL TIMES FOR A VENTRICULAR ARRHYTHMIA. IT WAS REPORTED THAT THERE WERE TWO ATTEMPTS TO DELIVER ANTI-TACHYCARDIA PACING (ATP). THE ATP CONVERTED THE RHYTHM FOR 4-5 BEATS AND THEN IT WOULD RETURN. THE DEVICE CONTINUED TO TREAT THE ARRHYTHMIA WITH A 5 JOULE SHOCK, A 21 J SHOCK AND THEN SUBSEQUENT 41 J SHOCKS UNTIL THERAPY WAS EXHAUSTED. THERE WAS AN ALLEGATION THAT ALL OF THE PROGRAMMED ATP FOR ATTEMPT 2 WAS NOT USED BEFORE GOING TO THE FIRST SHOCK. IT WAS LATER DISCOVERED THAT ATP HAD TIMED OUT AND APPROPRIATE DEVICE FUNCTION WAS CONFIRMED. IT WAS ALSO REPORTED THAT THE PATIENT HAD A DIFFICULT TIME TOLERATING THE ARRHYTHMIA. IT WAS REPORTED BY THE TIME THE AMBULANCE ARRIVED THE PATIENT WAS BLUE AND THE PATIENT'S SPOUSE THOUGHT THE PATIENT WAS DECEASED. AN ADDITION OF A SUB-Q ARRAY OR REPROGRAMMING TO ACCOMMODATE THE PATIENT'S NEEDS WAS RECOMMENDED BY A BOSTON SCIENTIFIC TECHNICAL SERVICES CONSULTANT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 COGNIS IMPLANTABLE CHF PULSE GENERATOR NIK GUIDANT CRM CLONMEL IRELAND N119

Patients

Seq Age Sex Outcome Treatment
1 78 YR Life Threatening E030| 4554| 0158| N119