FDA Adverse Event Injury Summary report: N

UNKNOWN IMPLANTABLE NEUROSTIMULATOR

MDR report key: 3489770 · Received November 26, 2013

Report

Report Number
3007566237-2013-03851
Event Type
Injury
Date Received
November 26, 2013
Report Date
October 31, 2013
Manufacturer
MEDTRONIC NEUROMODULATION
Product Code
MRU
PMA / PMN Number
H020007
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
CO
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

IT WAS NOT POSSIBLE TO ASCERTAIN SPECIFIC DEVICE INFORMATION FROM THE ARTICLE OR TO MATCH THE EVENTS REPORTED WITH PREVIOUSLY REPORTED EVENTS. CONCOMITANT MEDICAL PRODUCTS: PRODUCT ID NEU_UNKNOWN_LEAD, LOT# UNKNOWN, PRODUCT TYPE: LEAD. (B)(4). (B)(6).

Description of Event or Problem · 1

MARTINEZ, J., VIDARTE, O., URIBE, G. FUNCTIONAL NEUROSURGERY FOR SECONDARY DYSTONIA: INDICATIONS AND LONG-TERM RESULTS. IN: NIKKHAH G, PINSKER M, EDS. STEREOTACTIC AND FUNCTIONAL NEUROSURGERY. VOL 117: SPRINGER VIENNA; 2013:61-66. DOI: 10.1007/978-3-7091 -1482-7_10. SUMMARY: DYSTONIA IS A MOVEMENT DISORDER CHARACTERIZED BY PATTERNED, REPETITIVE, PHASIC, OR TONIC SUSTAINED MUSCLE CONTRACTIONS THAT PRODUCE ABNORMAL, OFTEN TWISTING, POSTURES OR REPETITIVE MOVEMENTS. WHEN THE DISORDER IS GENETIC OR THE CAUSE IS UNKNOWN AND DYSTONIA IS THE SOLE FEATURE, THE DISEASE IS CALLED PRIMARY OR IDIOPATHIC, CONVERSELY SECONDARY DYSTONIA (SD) MAY BE CAUSED BY VARIOUS BRAIN INSULTS. BOTH PRIMARY DYSTONIA AND SD HAVE BEEN NOTORIOUS FOR THEIR POOR RESPONSE TO MEDICAL TREATMENT. TODAY, STEREOTACTIC NEUROSURGICAL PROCEDURES ARE OFFERED TO IMPROVE THE DISABILITY AND QUALITY OF LIFE OF PATIENTS WHO DO NOT RESPOND TO MEDICAL THERAPY. HOWEVER, SD SHOWS LESS AND MORE VARIABLE RESULTS THAN PRIMARY DYSTONIA TO NEUROSURGICAL PROCEDURES, THE BENEFITS OF ABLATIVE OR DEEP BRAIN STIMULATION (DBS) PROCEDURES IN BASAL STRUCTURES BEING STILL SUBJECT TO DEBATE AND MUCH HARDER TO FULLY APPRECIATE. IN THIS WORK, THE AUTHORS SHOW A 33-PATIENT SERIES WITH SECONDARY DYSTONIA, SEPARATING THE STATISTIC AND CLINICAL ANALYSIS INTO SEVERAL ETIOLOGY GROUPS: PERINATAL INSULTS, TARDIVE SYNDROMES, GENETIC SYNDROMES, AND POSTTRAUMATIC. IN THESE GROUPS, WE SHOW THE MEAN BFM SCORE IMPROVEMENT IN THE DIFFERENT PATIENT SERIES, COMPARING OUR RESULTS WITH WORLD LITERATURE, AND FINALLY PROPOSE A CLASSIFICATION SYSTEM FOR BETTERING THE CLINICAL APPROACH IN SURGERY DECISION WHEN THIS IS INDICATED. REPORTED EVENT: ONE (B)(6) FEMALE PATIENT WITH SECONDARY DYSTONIA DUE TO TARDIVE SYNDROMES AND EXTREME CACHEXIA WITH A VERY THIN SKIN NEEDED A SURGICAL REVISION DUE TO EROSIONS AROUND THE FRONTAL INCISIONS AND PECTORAL AREA. FURTHER INFORMATION HAS BEEN REQUESTED; A SUPPLEMENTAL REPORT WILL BE SUBMITTED IF ADDITIONAL INFORMATION IS RECEIVED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
615287 UNKNOWN IMPLANTABLE NEUROSTIMULATOR IMPLANTED SUBCORTICAL ELECTRICAL STIMULATOR (MOTOR DISORDERS) MRU MEDTRONIC NEUROMODULATION NEU_INS_STIMULATOR

Patients

Seq Age Sex Outcome Treatment
1 00054 YR Required Intervention