FDA Adverse Event Injury Summary report: N

NEXSTENT MONORAIL

MDR report key: 1243030 · Received November 21, 2008

Report

Report Number
2134265-2008-04444
Event Type
Injury
Date Received
November 21, 2008
Date of Event
May 28, 2008
Report Date
October 23, 2008
Manufacturer
BOSTON SCIENTIFIC
Product Code
NIM
PMA / PMN Number
P050025
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PA, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

THE COMPLAINANT INDICATED THAT THE DEVICE WILL NOT BE RETURNED FOR EVALUATION; THEREFORE, A FAILURE ANALYSIS OF THE COMPLAINT DEVICE COULD NOT BE COMPLETED. A REVIEW OF THE MANUFACTURING RECORDS FOUND NO ISSUES OR DISCREPANCIES. THE ROOT CAUSE WILL BE ASSIGNED ANTICIPATED PROCEDURAL COMPLICATION DUE TO KNOWN PHYSIOLOGICAL EFFECT NOTED WITHIN THE DEVICE LABELING.

Description of Event or Problem · 1

CLINICAL STUDY. IT WAS REPORTED THAT 231 DAYS AFTER A CAROTID ARTERY STENTING TREATMENT PROCEDURE RESTENOSIS OCCURRED. THE TARGET LESION WAS LOCATED IN THE OSTIUM LEFT INTERNAL CAROTID ARTERY WITH 70% STENOSIS AND WAS 10 MM LONG WITH A REFERENCE VESSEL DIAMETER OF 8. THE PHYSICIAN TREATED THE LESION WITH PLACEMENT OF A FILTERWIRE EZ AND A 4-9 X 30 MM NEXSTENT. FOLLOWING POST-DILATATION THERE WAS 20% RESIDUAL. 231 DAYS AFTER THE INDEX PROCEDURE, THE PATIENT UNDERWENT A CAROTID ANGIOGRAM THAT SHOWED: RIGHT CAROTID; UP TO 20% NARROWING AT OSTIUM OF INTERNAL CAROTID ARTERY AND; LICA: KINKING OF THE STENT FROM PLACEMENT IN THIS AREA AND ECCENTRIC 40-50% STENOSIS. PER THE CATHETERIZATION LAB REPORTED IT WAS NOTED THAT DUE TO THE QUESTIONABLE RESTENOSIS, THE PATIENT WILL BE FOLLOWED CLOSELY. THE SITE REPORTED THAT FOLLOWING THE ANGIOGRAM, THE PATIENT WAS NOT ADMITTED TO THE HOSPITAL. A NEUROLOGY CONSULTATION WAS NOT DONE. THE EVENT WAS NOT RECOVERED/NOT RESOLVED. IN THE OPINION OF THE PHYSICIAN THE RELATIONSHIP TO THE NEXSTENT CAROTID STENT IS POSSIBLE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 NEXSTENT MONORAIL NIM STENT, CAROTID NIM BOSTON SCIENTIFIC NA C71401

Patients

Seq Age Sex Outcome Treatment
1 79 YR Other