Femoral Fracture Through a Previous Pin Site After Computer-Assisted Total Knee Arthroplasty

Abstract Computer-assisted total knee arthroplasty has been gaining popularity given the proposed benefits of increased accuracy of the femoral and tibial cuts, quantitative feedback on soft tissue balancing, and the potential for performing the procedure through smaller incisions with decreased sof...

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Bibliographic Details
Published in:The Journal of arthroplasty 2008-04, Vol.23 (3), p.462-465
Main Authors: Wysocki, Robert W., MD, Sheinkop, Mitchell B., MD, Virkus, Walter W., MD, Della Valle, Craig J., MD
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee - adverse effects
Arthroplasty, Replacement, Knee - methods
Bone Nails - adverse effects
computer-assisted navigation
Female
Femoral Fractures - diagnostic imaging
Femoral Fractures - etiology
Femur - diagnostic imaging
Humans
Knee Prosthesis
Middle Aged
Orthopedics
periprosthetic fracture
pin site
Radiography
stress riser
Surgery, Computer-Assisted
total knee arthroplasty
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Summary:Abstract Computer-assisted total knee arthroplasty has been gaining popularity given the proposed benefits of increased accuracy of the femoral and tibial cuts, quantitative feedback on soft tissue balancing, and the potential for performing the procedure through smaller incisions with decreased soft tissue trauma. Most navigation systems require femoral and tibial threaded pin insertion for placement of guidance trackers, which when removed leave behind defects in the bone that may act as stress risers. We present 2 cases of a femoral fracture through a previous pin site where a guidance tracker had been placed for computer-assisted total knee arthroplasty. Both patients were informed that data concerning the cases would be submitted for publication. To our knowledge, this complication has not previously been reported for this procedure.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2007.03.019