FDA Adverse Event Injury Summary report: N

ENDURANT

MDR report key: 3971723 · Received July 31, 2014

Report

Report Number
2953200-2014-01483
Event Type
Injury
Date Received
July 31, 2014
Date of Event
July 9, 2014
Report Date
July 9, 2014
Manufacturer
MEDTRONIC IRELAND
Product Code
MIH
PMA / PMN Number
P100021
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MO, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4).

Description of Event or Problem · 1

AN ENDURANT II STENT GRAFT SYSTEM WAS IMPLANTED IN A PATIENT FOR THE ENDOVASCULAR TREATMENT OF A 9.5 CM IN DIAMETER ABDOMINAL AORTIC ANEURYSM. VESSEL MORPHOLOGY WAS REPORTED AS A VERY CONICAL AND SHORT PROXIMAL AORTIC NECK 23 MM IN DIAMETER AT THE RENAL ARTERIES AND 33 MM IN DIAMETER 11 MM BELOW THE RENAL ARTERY (THE LENGTH OF THE AORTIC NECK, VERY BORDERLINE ANATOMY. THE PHYSICIAN ELECTED TO ATTEMPT TO TREAT THE PATIENT WITH STENT GRAFTS. THE BIFURCATED STENT GRAFT MOVED DURING DEPLOYMENT, BECAUSE OF THE SHORT AORTIC NECK AND THE FACT THAT IT APPARENTLY WIND SOCKED BEFORE THE GATE WAS OPENED AND FLOW THROUGH THE GRAFT ESTABLISHED. THIS NECESSITATED IMPLANTING AN ENDURANT AORTIC CUFF 36X36X49. THE PHYSICIAN INTENTIONALLY IMPLANTED THE AORTIC CUFF ENCROACHING ON THE LEFT RENAL ARTERY. HOWEVER, IT ENCROACHED ON THE LEFT RENAL SIGNIFICANTLY, BUT UNKNOWN AT THE TIME, IT WAS AN ACCESSORY RENAL, NOT THE MAIN RENAL. THE PHYSICIAN IMPLANTED A STENT IN THE MAIN RENAL, THINKING IT WAS COVERED BY THE GRAFT, BUT IT WAS ACTUALLY THE LOWER RENAL THAT WAS MOSTLY COVERED. THERE WAS A RESIDUAL PROXIMAL TYPE I ENDOLEAK AFTERWARD, BUT BECAUSE OF THE BARE METAL STENT IN THE MAIN RENAL ARTERY, THERE WAS NO OPTION TO PLACE ANOTHER CUFF. THE AORTIC CUFF WAS PROBABLY 2-3 MM BELOW THE BOTTOM OF THE MAIN RENAL WHICH HAD THE ATRIUM 6 X 22 STENT. THE PHYSICIAN MODELLED THE STENT GRAFTS MORE AGGRESSIVELY AND THE PROXIMAL TYPE I ENDOLEAK WAS ALMOST GONE, VERY FAINT. THE PHYSICIAN WILL MONITOR THE PATIENT. NO CLINICAL SEQUELAE WERE REPORTED AND THE PATIENT IS FINE. REVIEW OF RETURNED PRE-IMPLANT CTA'S REVEALED THAT THE PROXIMAL AORTIC NECK DIAMETER (FLOW LUMEN) WAS APPROXIMATELY 23MM JUST BELOW THE LEFT RENAL, VERY SHORT (APPROX. 1CM LENGTH) AND CONICAL. THE PROXIMAL AORTIC NECK ANGULATION WAS STRAIGHT L-R, BUT ANGULATED APPROXIMATELY 90 DEG (A-P). THE MAX DIAMETER AAA MEASURED 9.5 CM, AND WAS RINGED WITH CALCIFICATION. THE DISTAL AORTIC NECK WAS 2CM X 3CM AND CALCIFIED, AND BOTH ILIACS WERE VERY TORTUOUS AND SHORT. IMAGES DURING THE REPORTED EVENT AT IMPLANT WERE NOT PROVIDED. THE CAUSE OF THE INACCURATE DELIVERY IS UNKNOWN, BUT IT IS POSSIBLE THAT THE SHORT AND CONICAL PROXIMAL NECK MAY HAVE CONTRIBUTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
447589 ENDURANT SYSTEM, ENDOVASCULAR GRAFT, AORTIC ANEURYSM TREATMENT MIH MEDTRONIC IRELAND V04151507

Patients

Seq Age Sex Outcome Treatment
1 00078 YR Required Intervention