FDA Adverse Event Injury Summary report: N

UNKNOWN_NEUROVASCULAR_PRODUCT

MDR report key: 16196285 · Received January 18, 2023

Report

Report Number
3012931345-2023-00007
Event Type
Injury
Date Received
January 18, 2023
Date of Event
November 28, 2021
Report Date
March 24, 2023
Manufacturer
STRYKER NEUROVASCULAR-UTAH-SALT LAKE CITY
Product Code
NRY
PMA / PMN Number
K133464
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
FR
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

ALTHOUGH THE LOT NUMBER WAS NOT PROVIDED, THERE ARE CONTROLS IN THE MANUFACTURING PROCESS TO ENSURE THE PRODUCT MET SPECIFICATIONS UPON RELEASE. THE SUBJECT DEVICE WAS NOT AVAILABLE; THEREFORE, A VISUAL INSPECTION AS WELL AS A FUNCTIONAL EVALUATION COULD NOT BE PERFORMED. THE REPORTED COMPLAINT COULD NOT BE CONFIRMED, AND IT COULD NOT BE DEFINITIVELY DETERMINED IF THE DEVICE FAILED TO MEET SPECIFICATIONS BECAUSE THE PRODUCT WAS NOT RETURNED. THE REPORTED EVENT IS COVERED IN THE DEVICE DIRECTIONS FOR USE (DFU). AS WELL, THE RISK OF THE REPORTED EVENT IS DOCUMENTED IN THE RISK DOCUMENTATION AND THERE ARE CURRENT CONTROLS TO MITIGATE THE RISK OF THE AS REPORTED EVENT. BASED ON ADDITIONAL INFORMATION RECEIVED AS IT WAS REPORTED THAT, ON (B)(6) 2021, THE PATIENT EXPERIENCED A STROKE NIHSS =18, AT NANTES HOSPITAL NIHSS = 24. AFTER THROMBECTOMY NIHSS = 26. ON (B)(6) 2021, THE PATIENT EXPERIENCED A BRAIN EDEMA ON CONTROL CT SCAN WITH SUB-FACTORIAL COMMITMENT REQUIRING ASPEGIC 250MG IV. ADDITIONAL INFORMATION STATES THAT THERE WAS NO MALFUNCTION OF THE SUBJECT STENT OR ANY OTHER STRYKER DEVICE DURING THE PROCEDURE THAT CAUSED OR CONTRIBUTED TO THE CEREBRAL EDEMA. BASED UPON MEDICAL REVIEW, THE HARM OBSERVED IN THE COMPLAINT IS ANTICIPATED IN NATURE AS PER THE DEVICE RISK ASSESSMENT AND DOES NOT REQUIRE ESCALATION TO SENIOR MANAGEMENT, THEREFORE, AN ASSIGNABLE CAUSE OF ANTICIPATED PROCEDURAL COMPLICATION WILL BE ASSIGNED TO THIS EVENT.

Additional Manufacturer Narrative · 0

B5 EXECUTIVE SUMMARY: UPDATED - RECEIVED ADDITIONAL INFORMATION ION 16-FEB-2023 INDICATED THAT THE MEDICAL PROCEDURE WAS SUCCESSFULLY COMPLETED WITH THE TICI (THROMBOLYSIS IN CEREBRAL INFARCTION SCORE) OF 3. THE PATIENT CURRENT NEUROLOGICAL ASSESSMENT SHOWED THE MRS (MODIFIED RANKIN SCORE) OF 4 AND NATIONAL INSTITUTE OF HEALTH STROKE SCALE (NIHSS) OF 20. FROM A MEDICAL STANDPOINT, THERE WAS NO MALFUNCTION OR ALLEGATION ALLEGED AGAINST THE SUBJECT STENT AND THE SUBJECT STENT WAS PERFORMED AS INTENDED.

Additional Manufacturer Narrative · 0

THE SUBJECT DEVICE IS UNAVAILABLE TO MANUFACTURER.

Description of Event or Problem · 0

IT WAS REPORTED THAT THE PATIENT¿S NEUROLOGICAL ASSESSMENT HAVING NIHSS (NATIONAL INSTITUTE OF HEALTH STROKE SCALE) SCORE OF 18 WITH ATRIAL FIBRILLATION AND ARTERIAL HYPERTENSION HAD RECEIVED A MECHANICAL THROMBECTOMY RANDOMIZATION IN EXPERIMENTAL ARM ON (B)(6) 2021 USING THE SUBJECT STENT RETRIEVER. AT HOSPITAL, PATIENT NIHSS SCORE OF 24. ONE DAY POST THROMBECTOMY, COMPUTED TOMOGRAPHY (CT) SCAN BRAIN EDEMA WAS NOTED WITH NIHSS SCORE OF 26 REQUIRING ASPEGIC 250MG IV. THE PATIENT WAS RECOVERED WITH SEQUELAE FROM BRAIN EDEMA ON (B)(6) 2022 (76 DAYS AFTER THROMBECTOMY) WITH NIHSS SCORE OF 25 AT DISCHARGE. THE INVESTIGATOR ASSESSED ON BRAIN EDEMA AS NO REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE AS REASONABLE POSSIBILITY RELATED TO DISEASE UNDER STUDY. THE SPONSOR ASSESSED ON BRAIN EDEMA AS REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE (NIHSS INCREASED JUST AFTER THROMBECTOMY). NO OTHER INFORMATION WAS PROVIDED. UPDATED INFORMATION: RECEIVED ADDITIONAL INFORMATION ION 16-FEB-2023 INDICATED THAT THE MEDICAL PROCEDURE WAS SUCCESSFULLY COMPLETED WITH THE TICI (THROMBOLYSIS IN CEREBRAL INFARCTION SCORE) OF 3. THE PATIENT CURRENT NEUROLOGICAL ASSESSMENT SHOWED THE MRS (MODIFIED RANKIN SCORE) OF 4 AND NATIONAL INSTITUTE OF HEALTH STROKE SCALE (NIHSS) OF 20. FROM A MEDICAL STANDPOINT, THERE WAS NO MALFUNCTION OR ALLEGATION ALLEGED AGAINST THE SUBJECT STENT AND THE SUBJECT STENT WAS PERFORMED AS INTENDED.

Description of Event or Problem · 0

IT WAS REPORTED THAT THE PATIENT¿S NEUROLOGICAL ASSESSMENT HAVING NIHSS (NATIONAL INSTITUTE OF HEALTH STROKE SCALE) SCORE OF 18 WITH ATRIAL FIBRILLATION AND ARTERIAL HYPERTENSION HAD RECEIVED A MECHANICAL THROMBECTOMY RANDOMIZATION IN EXPERIMENTAL ARM ON (B)(6) 2021 USING THE SUBJECT STENT RETRIEVER. AT HOSPITAL, PATIENT NIHSS SCORE OF 24. ONE DAY POST THROMBECTOMY, COMPUTED TOMOGRAPHY (CT) SCAN BRAIN EDEMA WAS NOTED WITH NIHSS SCORE OF 26 REQUIRING ASPEGIC 250MG IV. THE PATIENT WAS RECOVERED WITH SEQUELAE FROM BRAIN EDEMA ON (B)(6) 2022 (76 DAYS AFTER THROMBECTOMY) WITH NIHSS SCORE OF 25 AT DISCHARGE. THE INVESTIGATOR ASSESSED ON BRAIN EDEMA AS NO REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE AS REASONABLE POSSIBILITY RELATED TO DISEASE UNDER STUDY. THE SPONSOR ASSESSED ON BRAIN EDEMA AS REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE (NIHSS INCREASED JUST AFTER THROMBECTOMY). NO OTHER INFORMATION WAS PROVIDED. UPDATED INFORMATION: RECEIVED ADDITIONAL INFORMATION ION 16-FEB-2023 INDICATED THAT THE MEDICAL PROCEDURE WAS SUCCESSFULLY COMPLETED WITH THE TICI (THROMBOLYSIS IN CEREBRAL INFARCTION SCORE) OF 3. THE PATIENT CURRENT NEUROLOGICAL ASSESSMENT SHOWED THE MRS (MODIFIED RANKIN SCORE) OF 4 AND NATIONAL INSTITUTE OF HEALTH STROKE SCALE (NIHSS) OF 20. FROM A MEDICAL STANDPOINT, THERE WAS NO MALFUNCTION OR ALLEGATION ALLEGED AGAINST THE SUBJECT STENT AND THE SUBJECT STENT WAS PERFORMED AS INTENDED.

Description of Event or Problem · 0

IT WAS REPORTED THAT THE PATIENT¿S NEUROLOGICAL ASSESSMENT HAVING NIHSS (NATIONAL INSTITUTE OF HEALTH STROKE SCALE) SCORE OF 18 WITH ATRIAL FIBRILLATION AND ARTERIAL HYPERTENSION HAD RECEIVED A MECHANICAL THROMBECTOMY RANDOMIZATION IN EXPERIMENTAL ARM ON (B)(6) 2021 USING THE SUBJECT STENT RETRIEVER. AT HOSPITAL, PATIENT NIHSS SCORE OF 24. ONE DAY POST THROMBECTOMY, COMPUTED TOMOGRAPHY (CT) SCAN BRAIN EDEMA WAS NOTED WITH NIHSS SCORE OF 26 REQUIRING ASPEGIC 250MG IV. THE PATIENT WAS RECOVERED WITH SEQUELAE FROM BRAIN EDEMA ON (B)(6) 2022 (76 DAYS AFTER THROMBECTOMY) WITH NIHSS SCORE OF 25 AT DISCHARGE. THE INVESTIGATOR ASSESSED ON BRAIN EDEMA AS NO REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE AS REASONABLE POSSIBILITY RELATED TO DISEASE UNDER STUDY. THE SPONSOR ASSESSED ON BRAIN EDEMA AS REASONABLE POSSIBILITY RELATED TO THE STUDY PROCEDURE (NIHSS INCREASED JUST AFTER THROMBECTOMY). NO OTHER INFORMATION WAS PROVIDED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
15653 UNKNOWN_NEUROVASCULAR_PRODUCT CATHETER, THROMBUS RETRIEVER NRY STRYKER NEUROVASCULAR-UTAH-SALT LAKE CITY

Patients

Seq Age Sex Outcome Treatment
1 75 YR Male Other| H ACE68 (PENUMBRA).