FDA Adverse Event Injury Summary report: N

WATCHMAN FLX LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH DELIVERY SYSTEM

MDR report key: 11873396 · Received May 24, 2021

Report

Report Number
2134265-2021-06723
Event Type
Injury
Date Received
May 24, 2021
Date of Event
May 3, 2021
Report Date
January 25, 2024
Manufacturer
BOSTON SCIENTIFIC CORPORATION
Product Code
NGV
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

E1: INITIAL REPORTER FACILITY NAME - (B)(6).

Additional Manufacturer Narrative · 0

E1: INITIAL REPORTER FACILITY NAME - (B)(6).

Additional Manufacturer Narrative · 0

B5: UPDATED.

Description of Event or Problem · 0

OPTION STUDY. IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED AND A 27MM WATCHMAN FLX LAA CLOSURE DEVICE WAS IMPLANTED WITH A COMPLETE LAA SEAL AND DEPLOYED DEVICE DIAMETER OF 23 MM. POST IMPLANT THE PATIENT WAS STARTED ON EDOXABAN AND ASPIRIN. THE PATIENT WAS DISCHARGED ON (B)(6) 2021 AND WAS REPORTED TO HAVE BEEN COMPLIANT WITH THE POST IMPLANT MEDICATION REGIMEN. ON (B)(6) 2021, 108 DAYS POST INDEX PROCEDURE, COMPUTED TOMOGRAPHY (CT) IMAGING DURING THE THREE MONTH FOLLOW-UP VISIT REVEALED A THROMBUS ON THE ATRIAL FACING SURFACE OF THE 27MM WATCHMAN FLX DEVICE. A TRANSTHORACIC ECHO (TTE) REVEALED THE THROMBUS WAS LAMINAR AND NON-MOBILE. THERE WAS NO THROMBUS NOTED AT THE LEFT ATRIUM. THE PATENT'S ORAL MEDICATION WAS CHANGED/ADJUSTED. NO ADDITIONAL INFORMATION IS KNOWN AT THIS TIME. IT WAS FURTHER REPORTED THAT THE EVENT WAS CONSIDERED NOT RECOVERED/NOT RESOLVED. NO FURTHER INFORMATION PERTAINING TO THE EVENT IS AVAILABLE.

Description of Event or Problem · 0

OPTION STUDY. IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED AND A 27MM WATCHMAN FLX LAA CLOSURE DEVICE WAS IMPLANTED WITH A COMPLETE LAA SEAL AND DEPLOYED DEVICE DIAMETER OF 23 MM. POST IMPLANT THE PATIENT WAS STARTED ON EDOXABAN AND ASPIRIN. THE PATIENT WAS DISCHARGED ON (B)(6) 2021 AND WAS REPORTED TO HAVE BEEN COMPLIANT WITH THE POST IMPLANT MEDICATION REGIMEN. ON (B)(6) 2021, 108 DAYS POST INDEX PROCEDURE, COMPUTED TOMOGRAPHY (CT) IMAGING DURING THE THREE-MONTH FOLLOW-UP VISIT REVEALED A THROMBUS ON THE ATRIAL FACING SURFACE OF THE 27MM WATCHMAN FLX DEVICE. A TRANSTHORACIC ECHO (TTE) REVEALED THE THROMBUS WAS LAMINAR AND NON-MOBILE. THERE WAS NO THROMBUS NOTED AT THE LEFT ATRIUM. THE PATENT'S ORAL MEDICATION WAS CHANGED/ADJUSTED. NO ADDITIONAL INFORMATION IS KNOWN AT THIS TIME. IT WAS FURTHER REPORTED THAT PRIOR TO IMPLANTATION, THE PATIENT UNDERWENT ATRIAL FIBRILLATION ABLATION USING THE PULMONARY VEIN ISOLATION TECHNIQUE WITH CRYO METHOD. PRIOR TO THE INDEX PROCEDURE, ASPIRIN WAS NOT ADMINISTERED AND AFTER THE IMPLANT PROCEDURE THE PATIENT WAS STARTED ON ASPIRIN AND EDOXABAN WAS CONTINUED. ON (B)(6) 2022, 697 DAYS POST INDEX PROCEDURE, A TTE WAS PERFORMED WHICH REVEALED A SUSPECTED PERI-DEVICE LEAK. ON THE SAME DAY, ORAL MEDICATION CHANGE/ADJUSTMENT WAS DONE TO TREAT THE EVENT. AT THE TIME OF REPORTING THE EVENT IS STILL ONGOING.

Description of Event or Problem · 0

OPTION STUDY IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED AND A 27MM WATCHMAN FLX LAA CLOSURE DEVICE WAS IMPLANTED WITH A COMPLETE LAA SEAL AND DEPLOYED DEVICE DIAMETER OF 23 MM. POST IMPLANT THE PATIENT WAS STARTED ON EDOXABAN AND ASPIRIN. THE PATIENT WAS DISCHARGED ON (B)(6) 2021 AND WAS REPORTED TO HAVE BEEN COMPLIANT WITH THE POST IMPLANT MEDICATION REGIMEN. ON (B)(6) 2021, 108 DAYS POST INDEX PROCEDURE, COMPUTED TOMOGRAPHY (CT) IMAGING DURING THE THREE-MONTH FOLLOW-UP VISIT REVEALED A THROMBUS ON THE ATRIAL FACING SURFACE OF THE 27MM WATCHMAN FLX DEVICE. A TRANSTHORACIC ECHO (TTE) REVEALED THE THROMBUS WAS LAMINAR AND NON-MOBILE. THERE WAS NO THROMBUS NOTED AT THE LEFT ATRIUM. THE PATENT'S ORAL MEDICATION WAS CHANGED/ADJUSTED. NO ADDITIONAL INFORMATION IS KNOWN AT THIS TIME. IT WAS FURTHER REPORTED THAT PRIOR TO IMPLANTATION, THE PATIENT UNDERWENT ATRIAL FIBRILLATION ABLATION USING THE PULMONARY VEIN ISOLATION TECHNIQUE WITH CRYO METHOD. PRIOR TO THE INDEX PROCEDURE, ASPIRIN WAS NOT ADMINISTERED AND AFTER THE IMPLANT PROCEDURE THE PATIENT WAS STARTED ON ASPIRIN AND EDOXABAN WAS CONTINUED. ON (B)(6) 2022, 697 DAYS POST INDEX PROCEDURE, A TTE WAS PERFORMED WHICH REVEALED A SUSPECTED PERI-DEVICE LEAK. ON THE SAME DAY, ORAL MEDICATION CHANGE/ADJUSTMENT WAS DONE TO TREAT THE EVENT. AT THE TIME OF REPORTING THE EVENT IS STILL ONGOING. IT WAS FURTHER REPORTED THAT ON (B)(6) 2022, THE EVENT OF THROMBOSIS WAS CONSIDERED RESOLVED.

Additional Manufacturer Narrative · 1

INITIAL REPORTER FACILITY NAME - (B)(6).

Description of Event or Problem · 1

(B)(6) STUDY. IT WAS REPORTED THAT THROMBOSIS OCCURRED. A LEFT ATRIAL APPENDAGE (LAA) CLOSURE PROCEDURE WAS PERFORMED AND A 27MM WATCHMAN FLX LAA CLOSURE DEVICE WAS IMPLANTED WITH A COMPLETE LAA SEAL AND DEPLOYED DEVICE DIAMETER OF 23MM. POST IMPLANT THE PATIENT WAS STARTED ON EDOXABAN AND ASPIRIN. THE PATIENT WAS DISCHARGED ON (B)(6) 2021 AND WAS REPORTED TO HAVE BEEN COMPLIANT WITH THE POST IMPLANT MEDICATION REGIMEN. ON (B)(6) 2021, 108 DAYS POST INDEX PROCEDURE, COMPUTED TOMOGRAPHY (CT) IMAGING DURING THE THREE MONTH FOLLOW-UP VISIT REVEALED A THROMBUS ON THE ATRIAL FACING SURFACE OF THE 27MM WATCHMAN FLX DEVICE. A TRANSTHORACIC ECHO (TTE) REVEALED THE THROMBUS WAS LAMINAR AND NON-MOBILE. THERE WAS NO THROMBUS NOTED AT THE LEFT ATRIUM. THE PATENT'S ORAL MEDICATION WAS CHANGED/ADJUSTED. NO ADDITIONAL INFORMATION IS KNOWN AT THIS TIME.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
766485 WATCHMAN FLX LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH DELIVERY SYSTEM SYSTEM, APPENDAGE CLOSURE, LEFT ATRIAL NGV BOSTON SCIENTIFIC CORPORATION 10390 0025453382

Patients

Seq Age Sex Outcome Treatment
1 77 YR Female Other