FDA Adverse Event Injury Summary report: N

NAIL, FIXATION, BONE

MDR report key: 5440549 · Received February 17, 2016

Report

Report Number
2520274-2016-10730
Event Type
Injury
Date Received
February 17, 2016
Report Date
January 21, 2016
Manufacturer
SYNTHES USA
Product Code
JDS
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MA, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

MAHAISAVARIYA, B., KESPRAYURA, S., LAUPATTARAKASEM, W., AND SUTHIYUTH, T. (1992). SUBTROCHANTERIC FRACTURE: FIXATION USING THE AO TIBIAL NAIL. INJURY. 23(4): 231-233. THIS REPORT IS FOR AN UNKNOWN NAIL/UNKNOWN LOT/QUANTITY OF 3. THE INVESTIGATION COULD NOT BE COMPLETED AND NO CONCLUSION COULD BE DRAWN AS NO DEVICE WAS RETURNED AND NO LOT NUMBER OR PART NUMBER WAS PROVIDED. DEVICE WAS USED FOR TREATMENT, NOT DIAGNOSIS. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Description of Event or Problem · 1

THIS REPORT IS BEING FILED AFTER SUBSEQUENT REVIEW OF THE FOLLOWING JOURNAL ARTICLE, MAHAISAVARIYA, B., KESPRAYURA, S., LAUPATTARAKASEM, W., AND SUTHIYUTH, T. (1992). SUBTROCHANTERIC FRACTURE: FIXATION USING THE AO TIBIAL NAIL. INJURY. 23(4): 231-233. FROM DECEMBER 1985 TO NOVEMBER I989, 24 PATIENTS WITH SUBTROCHANTERIC FRACTURES WERE TREATED BY INTERNAL FIXATION WITH AO TIBIAL NAILS AT (B)(6) HOSPITAL. OF THESE, 22 PATIENTS WERE MALE AND TWO WERE FEMALE. AGES RANGED FROM 14 TO 76 YEARS (AVERAGE 29.6 YEARS). EXCEPT FOR THE TWO PATHOLOGICAL FRACTURES WITH UNDERLYING METASTATIC ADENOCARCINOMA, ALL OTHERS WERE CLOSED FRACTURES RESULTING FROM MOTOR VEHICLE ACCIDENTS. THE AVERAGE DIAMETER OF NAILS USED WAS 12MM (RANGE 11-13 MM). THE NAIL LENGTHS USED IN ALMOST ALL CASES WERE 360MM (RANGE 345-360MM). THERE WERE TWO CASES IN WHICH THE SUPPLEMENTARY SCREWS WERE NOT NECESSARY BECAUSE THE FRACTURE WAS TRANSVERSE AND LOCATED IN THE LOW SUBTROCHANTERIC AREA WITH GOOD APPROXIMATION OF THE BONY SPIKE AT THE FRACTURE END AFTER NAILING. IN TWO PATIENTS WITH PATHOLOGICAL FRACTURES, THE PATIENTS WERE ABLE TO HAVE EARLY POSTOPERATIVE AMBULATION: THERE WERE NO PROBLEMS WITH THE FIXING DEVICES UNTIL THEY DIED 4 AND 7 MONTHS LATER, RESPECTIVELY, FROM ADVANCED MALIGNANT CONDITIONS. A TOTAL OF 18 CASES OF NON-PATHOLOGICAL FRACTURES WERE FOLLOWED UP UNTIL THE FRACTURES WERE HEALED, WITH AN AVERAGE FOLLOW-UP TIME OF 13 MONTHS (RANGE 4-24 MONTHS). THERE WERE TWO CASES IN WHICH THE SUPPLEMENTARY SCREWS BROKE AFTER THE FRACTURE HAD HEALED. THESE WERE CAUSED BY PROXIMAL MIGRATIONS OF THE NAIL. THE NAIL WAS BROKEN AT THE BENDING POINT IN ONE CASE AND HEALED IN A SLIGHTLY VARUS ANGULATION. THERE WAS A CASE THAT HEALED IN AN EXTERNAL ROTATION DEFORMITY OF 10 DEGREES. THIS REPORT IS FOR AN UNKNOWN TIBIAL NAIL AND THE TWO CASES OF PROXIMAL MIGRATIONS OF THE NAIL AND ONE CASE WHERE THE NAIL WAS BROKEN AT THE BENDING POINT AND HEALED IN A SLIGHTLY VARUS ANGULATION. THIS IS REPORT 1 OF 2 FOR COMPLAINT (B)(4). A COPY OF THE JOURNAL ARTICLE IS BEING SUBMITTED WITH THIS MEDWATCH.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
98474 NAIL, FIXATION, BONE JDS SYNTHES USA

Patients

Seq Age Sex Outcome Treatment
1 Required Intervention