FDA Adverse Event Injury Summary report: N

WATCHMAN FLX

MDR report key: 21479380 · Received February 27, 2025

Report

Report Number
2124215-2025-12020
Event Type
Injury
Date Received
February 27, 2025
Date of Event
December 20, 2024
Report Date
March 31, 2025
Manufacturer
BOSTON SCIENTIFIC CORPORATION
Product Code
NGV
UDI-DI
08714729860488
PMA / PMN Number
P130013
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

B3: USED JOURNAL ARTICLE ACCEPTED DATE AS EVENT DATE, AS IT IS UNKNOWN. MEDICAL MEDIA WAS PROVIDED WITHIN THE JOURNAL ARTICLE AND REVIEWED BY BSC QUALITY ENGINEERS FOR RELEVANCE TO THE COMPLAINT ALLEGATION. THE MEDIA PROVIDED DID NOT APPEAR TO DEPICT ANY DEVICE OR USER RELATED ALLEGATIONS AND RESULTED IN NO QUESTIONS REQUIRING FURTHER INVESTIGATION LITERATURE CITATION: LAI, LKL, ALRAYES, H, FRAM, G. ET AL. STEP-BY-STEP ICE-GUIDED ASPIRATION THROMBECTOMY: GASTROINTESTINAL BLEEDING PATIENT WITH DEVICE-RELATED THROMBUS ON WATCHMAN FLX. J AM COLL CARDIOL CASE REP. 2025 FEB, 30 (3). HTTPS://DOI.ORG/10.1016/J.JACCAS.2024.103219.

Additional Manufacturer Narrative · 0

B3: USED JOURNAL ARTICLE ACCEPTED DATE AS EVENT DATE, AS IT IS UNKNOWN. LITERATURE CITATION: LAI, LKL, ALRAYES, H, FRAM, G. ET AL. STEP-BY-STEP ICE-GUIDED ASPIRATION THROMBECTOMY: GASTROINTESTINAL BLEEDING PATIENT WITH DEVICE-RELATED THROMBUS ON WATCHMAN FLX. J AM COLL CARDIOL CASE REP. 2025 FEB, 30 (3). HTTPS://DOI.ORG/10.1016/J.JACCAS.2024.103219.

Description of Event or Problem · 0

REPORTED VIA JOURNAL ARTICLE. IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED, AND A 20MM WATCHMAN FLX CLOSURE DEVICE WAS IMPLANTED. THE PATIENT WAS DISCHARGED ON APIXABAN. AT THE 45-DAY ROUTINE FOLLOW UP, TRANSESOPHAGEAL ECHOCARDIOGRAM (TEE) IMAGING REVEALED A HIGHLY MOBILE DEVICE RELATED THROMBUS (DRT) MEASURING 0.7CM X 1 CM THAT WAS ADHERENT TO THE CLOSURE DEVICE. THE PATIENT REPORTED COMPLIANCE WITH HER ANTICOAGULATION REGIMEN. THE PATIENT REQUIRED AN INTRACARDIAC ECHOCARDIOGRAM (ICE) IMAGING GUIDED ASPIRATION THROMBECTOMY PROCEDURE. THE THROMBUS WAS FULLY REMOVED AND THERE WAS NO RESIDUAL THROMBUS ATTACHED TO THE CLOSURE DEVICE. THE PATIENT WAS DISCHARGED ON WARFARIN AND ASPIRIN MEDICATION. A FOLLOW UP TEE WAS PERFORMED AT THREE (3) MONTHS AND SHOWED COMPLETE RESOLUTION OF THE DRT. THE WARFARIN WAS DISCONTINUED, AND THE PATIENT WAS KEPT ON A REGIMEN OF ASPIRIN ALONE.

Description of Event or Problem · 0

REPORTED VIA JOURNAL ARTICLE. IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED, AND A 20MM WATCHMAN FLX CLOSURE DEVICE WAS IMPLANTED. THE PATIENT WAS DISCHARGED ON APIXABAN. AT THE 45-DAY ROUTINE FOLLOW UP, TRANSESOPHAGEAL ECHOCARDIOGRAM (TEE) IMAGING REVEALED A HIGHLY MOBILE DEVICE RELATED THROMBUS (DRT) MEASURING 0.7CM X 1 CM THAT WAS ADHERENT TO THE CLOSURE DEVICE. THE PATIENT REPORTED COMPLIANCE WITH HER ANTICOAGULATION REGIMEN. THE PATIENT REQUIRED AN INTRACARDIAC ECHOCARDIOGRAM (ICE) IMAGING GUIDED ASPIRATION THROMBECTOMY PROCEDURE. THE THROMBUS WAS FULLY REMOVED AND THERE WAS NO RESIDUAL THROMBUS ATTACHED TO THE CLOSURE DEVICE. THE PATIENT WAS DISCHARGED ON WARFARIN AND ASPIRIN MEDICATION. A FOLLOW UP TEE WAS PERFORMED AT THREE (3) MONTHS AND SHOWED COMPLETE RESOLUTION OF THE DRT. THE WARFARIN WAS DISCONTINUED, AND THE PATIENT WAS KEPT ON A REGIMEN OF ASPIRIN ALONE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
666173 WATCHMAN FLX SYSTEM, APPENDAGE CLOSURE, LEFT ATRIAL NGV BOSTON SCIENTIFIC CORPORATION M635WU50200 08714729860488

Patients

Seq Age Sex Outcome Treatment
1 71 YR Female Required Intervention