FDA Adverse Event Injury Summary report: N

UNKNOWN_SPINE_PRODUCT

MDR report key: 19177429 · Received April 24, 2024

Report

Report Number
0009617544-2024-00053
Event Type
Injury
Date Received
April 24, 2024
Date of Event
August 1, 2015
Report Date
August 22, 2024
Manufacturer
STRYKER SPINE-US
Product Code
NKB
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

H6 CODING HAS BEEN UPDATED TO REFLECT COMPLETION OF THE INVESTIGATION.

Additional Manufacturer Narrative · 0

H3 OTHER TEXT: DEVICE LOCATION UNKNOWN.

Description of Event or Problem · 0

THE ARTICLE 'THE ACCURACY AND SAFETY OF FLUOROSCOPICALLY GUIDED PERCUTANEOUS PEDICLE SCREWS IN THE LUMBOSACRAL JUNCTION AND THE LUMBAR SPINE' IN THE BONE AND JOINT JOURNAL 2015; 97-B:1111¿17, WAS REVIEWED. THIS WAS A RETROSPECTIVE EVALUATION STUDY UNDERTAKEN IN TWO STUDY POPULATIONS INVOLVING 203 PATIENTS (MEAN AGE 58.8 YEARS; 16 TO 91, 103 MALE, 100 FEMALE) AND 880 LUMBOSACRAL JUNCTION AND LUMBAR PERCUTANEOUS PEDICLE SCREWS. SURGERIES WERE PERFORMED BETWEEN JANUARY 2008 AND DECEMBER 2012 IN CONSECUTIVE PATIENTS. MANTIS SYSTEMS WERE USED IN ALL CASES. SCREWS WITH PERFORATIONS WERE CLASSIFIED INTO TWO TYPES. FOR MEDIAL, LATERAL, SUPERIOR AND INFERIOR PERFORATIONS, THE PEDICLE PERFORATIONS WERE ASSESSED USING GERTZBEIN AND ROBBIN¿S CLASSIFICATION AS MODIFIED BY RAO. FOR ANTERIOR PERFORATIONS, THE PEDICLE PERFORATIONS WERE ASSESSED USING A MODIFIED GRADING SYSTEM. GRADE 2 PERFORATIONS WERE CONSIDERED TO HAVE POSSIBLE COMPLICATIONS AND GRADE 3 WERE CONSIDERED CRITICAL PERFORATIONS WITH A HIGH RISK OF EARLY OR LATE COMPLICATIONS. THERE WERE A TOTAL OF 48 LATERAL PERFORATIONS, 22 ANTERIOR PERFORATIONS, 11 MEDIAL PERFORATIONS, 4 SUPERIOR PERFORATIONS AND 2 INFERIOR PERFORATIONS. ONE PATIENT (F, 71 YEARS OLD) WAS DIAGNOSED WITH METASTATIC SPINE DISEASE WITH L2 AND L3 PATHOLOGICAL FRACTURES CAUSING CAUDA EQUINE SYNDROME. A MIST WITH LAMINECTOMY AT L2 WAS PERFORMED. THE RIGHT L5 PEDICLE SCREW SHOWED GRADE 3 ANTERIOR PERFORATION ON THE POST-OPERATIVE CT SCANS. THE PATIENT HAD NO COMPLICATIONS FROM THE PERFORATION.

Description of Event or Problem · 0

THE ARTICLE 'THE ACCURACY AND SAFETY OF FLUOROSCOPICALLY GUIDED PERCUTANEOUS PEDICLE SCREWS IN THE LUMBOSACRAL JUNCTION AND THE LUMBAR SPINE' IN THE BONE AND JOINT JOURNAL 2015; 97-B:1111¿17, WAS REVIEWED. THIS WAS A RETROSPECTIVE EVALUATION STUDY UNDERTAKEN IN TWO STUDY POPULATIONS INVOLVING 203 PATIENTS (MEAN AGE 58.8 YEARS; 16 TO 91, 103 MALE, 100 FEMALE) AND 880 LUMBOSACRAL JUNCTION AND LUMBAR PERCUTANEOUS PEDICLE SCREWS. SURGERIES WERE PERFORMED BETWEEN JANUARY 2008 AND DECEMBER 2012 IN CONSECUTIVE PATIENTS. MANTIS SYSTEMS WERE USED IN ALL CASES. SCREWS WITH PERFORATIONS WERE CLASSIFIED INTO TWO TYPES. FOR MEDIAL, LATERAL, SUPERIOR AND INFERIOR PERFORATIONS, THE PEDICLE PERFORATIONS WERE ASSESSED USING GERTZBEIN AND ROBBIN¿S CLASSIFICATION AS MODIFIED BY RAO. FOR ANTERIOR PERFORATIONS, THE PEDICLE PERFORATIONS WERE ASSESSED USING A MODIFIED GRADING SYSTEM. GRADE 2 PERFORATIONS WERE CONSIDERED TO HAVE POSSIBLE COMPLICATIONS AND GRADE 3 WERE CONSIDERED CRITICAL PERFORATIONS WITH A HIGH RISK OF EARLY OR LATE COMPLICATIONS. THERE WERE A TOTAL OF 48 LATERAL PERFORATIONS, 22 ANTERIOR PERFORATIONS, 11 MEDIAL PERFORATIONS, 4 SUPERIOR PERFORATIONS AND 2 INFERIOR PERFORATIONS. ONE PATIENT (F, 71 YEARS OLD) WAS DIAGNOSED WITH METASTATIC SPINE DISEASE WITH L2 AND L3 PATHOLOGICAL FRACTURES CAUSING CAUDA EQUINE SYNDROME. A MIST WITH LAMINECTOMY AT L2 WAS PERFORMED. THE RIGHT L5 PEDICLE SCREW SHOWED GRADE 3 ANTERIOR PERFORATION ON THE POST-OPERATIVE CT SCANS. THE PATIENT HAD NO COMPLICATIONS FROM THE PERFORATION.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
854986 UNKNOWN_SPINE_PRODUCT THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM NKB STRYKER SPINE-US UNKNOWN

Patients

Seq Age Sex Outcome Treatment
1 71 YR Female Other