FDA Adverse Event Injury Summary report: N

NEU_INS_STIMULATOR

MDR report key: 8047164 · Received November 7, 2018

Report

Report Number
3007566237-2018-03251
Event Type
Injury
Date Received
November 7, 2018
Date of Event
April 16, 2018
Report Date
November 7, 2018
Manufacturer
MEDTRONIC NEUROMODULATION
Product Code
LGW
PMA / PMN Number
P840001
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FI
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THIS EVENT HAS PREVIOUSLY BEEN SUBMITTED. SEE REGULATORY REPORT NUMBER 3007566237-2018-02846 FOR ADDITIONAL INFORMATION. CONCOMITANT MEDICAL PRODUCTS: PRODUCT ID: NEU_INS_STIMULATOR, LOT# UNKNOWN, UNKNOWN SERIAL# , PRODUCT TYPE: IMPLANTABLE NEUROSTIMULATOR. PRODUCT ID: NEU_UNKNOWN_LEAD, LOT# UNKNOWN, PRODUCT TYPE: LEAD. OTHER RELEVANT DEVICE(S) ARE: PRODUCT ID: NEU_INS_STIMULATOR, SERIAL/LOT #: UNKNOWN. PRODUCT ID: NEU_UNKNOWN_LEAD, SERIAL/LOT #: UNKNOWN. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

NISSEN, M., IKAHEIMO, T. M., HUTTUNEN, J., LEINONEN, V., VON UND ZU FRAUNBERG, M. LONG-TERM OUTCOME OF SPINAL CORD STIMULATION IN FAILED BACK SURGERY SYNDROME: 20 YEARS OF EXPERIENCE WITH 224 CONSECUTIVE PATIENTS. NEUROSURGERY. 2018. 0: 1-8. DOI: 10.1093/NEUROS/NYY194 SUMMARY: FAILED BACK SURGERY SYNDROME (FBSS) IS A CHALLENGING CONDITION THAT LACKS A CURATIVE TREATMENT. IN SELECTED PATIENTS, SPINAL CORD STIMULATION (SCS) HAS PROVIDED A SATISFACTORY OUTCOME. TO EVALUATE THE LONG-TERM OUTCOME OF SCS IN FBSS, AS MEASURED BY THE EXPLANTATION RATE, COMPLICATIONS, AND PATIENT SATISFACTION WITH THE GLOBAL PERCEIVED EFFECT (GPE). METHODS: WE STUDIED 224 CONSECUTIVE FBSS PATIENTS WHO UNDERWENT AN SCS TRIAL WITH SURGICALLY IMPLANTED LEADS AT OUR HOSPITAL BETWEEN JANUARY 1996 AND DECEMBER 2014. THE PATIENTS¿ SATISFACTION WITH THE GPE OF TREATMENT WAS MEASURED THROUGH A POSTAL QUESTIONNAIRE AT THE END OF FOLLOW-UP. BASED ON A 1-WK TRIAL, PERMANENT SCS WAS IMPLANTED IN 175 (78%) PATIENTS. OUT OF THESE PATIENTS, 153 (87%) REPORTED SATISFACTORY OUTCOMES AFTER 2 MO. DURING THE MEAN FOLLOW-UP OF 6 YR, 34 (19%) OF SCS DEVICES WERE PERMANENTLY EXPLANTED DUE TO INADEQUATE PAIN RELIEF, AND 11 (6%) WERE EXPLANTED FOR OTHER REASONS. ELECTRODE REVISION DUE TO INADEQUATE PAIN RELIEF WAS DONE FOR 22 PATIENTS. IN TOTAL, 26 COMPLICATIONS WERE REPORTED DUE TO: 7 DEEP INFECTIONS, 11 HARDWARE MALFUNCTIONS, 1 SUBCUTANEOUS HEMATOMA, 4 INSTANCES OF DISCOMFORT DUE TO THE PULSE GENERATOR, AND 3 ELECTRODE MIGRATIONS. ONE HUNDRED THIRTY PATIENTS (74%) CONTINUED WITH SCS UNTIL THE END OF FOLLOW-UP. OF THEM, 61 (47%) RETURNED THE QUESTIONNAIRE, AND 42 (69%) REPORTED SUBSTANTIALLY IMPROVED OR BETTER GPE. SCS CAN PROVIDE A GOOD OUTCOME IN THE TREATMENT OF FBSS. PATIENT SELECTION COULD BE FURTHER IMPROVED BY DEVELOPING NOVEL PREDICTIVE BIOMARKERS. REPORTED EVENTS: DUE TO INADEQUATE PAIN RELIEF, 22 REVISIONS WERE DONE TO 19 (11%) PATIENTS, OF WHICH 15 WERE ELECTRODE REPOSITIONINGS. SCS DEVICES WERE LATER EXPLANTED IN 7 OF THESE PATIENTS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
888961 NEU_INS_STIMULATOR STIMULATOR, SPINAL-CORD, TOTALLY IMPLANTED FOR PAIN RELIEF LGW MEDTRONIC NEUROMODULATION NEU_INS_STIMULATOR UNKNOWN

Patients

Seq Age Sex Outcome Treatment
1 Other| R