FDA Adverse Event Injury Summary report: N

ENDOTAK RELIANCE

MDR report key: 2161604 · Received July 14, 2011

Report

Report Number
2124215-2011-09794
Event Type
Injury
Date Received
July 14, 2011
Date of Event
April 11, 2011
Report Date
April 18, 2011
Manufacturer
CPI - DEL CARIBE
Product Code
NVY
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

UPON RECEIPT IN OUR POST MARKET QUALITY ASSURANCE LABORATORY, VISUAL OBSERVATIONS INDICATED THIS LEAD WAS RETURNED SEVERED. THERE WERE SETSCREW MARKS NOTED ON ALL TERMINAL CONNECTORS, THE EXTRACTING STYLET REMAINED INSIDE OF THE DISTAL SEGMENT, AND WAS STRETCHED AND TWISTED AT THE PROXIMAL END OF THE PROXIMAL SHOCKING COIL. CALCIUM DEPOSITS WERE NOTED OVER MOST OF THE SCREEN MESH. THE DIRCET CURRENT RESISTANCE TEST REVEALED THAT THE RETURNED SEGMENTS OF THIS LEAD WERE CONTINUOUS. THE INCREASE IN LEAD IMPEDANCE COULD HAVE BEEN THE RESULT OF THE CALCIUM DEPOSITS OVER THE LEAD TIP. INITIAL ALLEGATION NOT CONFIRMED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT, DURING A REVISION PROCEDURE, IT WAS OBSERVED THIS RIGHT VENTRICULAR (RV) LEAD HAD HIGH OUT OF RANGE PACING IMPEDANCE MEASUREMENTS. A FLUOROSCOPIC REVISION WAS PERFORMED, AND NO ANOMALIES WERE NOTED. THE DEVICE WAS DISCONNECTED, AND MEASUREMENTS WERE TAKEN WITH THE PACING SYSTEM ANALYZER (PSA), WHICH ALSO REVEALED HIGH OUT OF RANGE PACING IMPEDANCE MEASUREMENTS, INCREASED THRESHOLD MEASUREMENTS AND POOR MORPHOLOGY. THE DECISION WAS MADE TO EXPLANT THE RV LEAD, AND IMPLANT A NEW LEAD. ALL MEASUREMENTS WERE THEN WITHIN RANGE. A DEFIBRILLATION THRESHOLD (DFT) TEST WAS PERFORMED, AND INDUCED ARRHYTHMIA'S WERE CONVERTED BACK TO SINUS RHYTHM. THE NEW SYSTEM WAS IMPLANTED SUBMUSCULAR INSTEAD OF SUBCUTANEOUSLY. THERE WERE NO ADVERSE PATIENT EFFECTS REPORTED, AND NO ALLEGATIONS AGAINST THE BOSTON SCIENTIFIC PRODUCT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ENDOTAK RELIANCE IMPLANTABLE LEAD NVY CPI - DEL CARIBE 0148

Patients

Seq Age Sex Outcome Treatment
1