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The Journal of Arthroplasty, ISSN: 0883-5403, Vol: 26, Issue: 3, Page: 504.e5-504.e8
Knee
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Tibial Shaft Stress Fractures Resulting from Placement of Navigation Tracker Pins
Hoke, David; Jafari, S Mehdi; Orozco, Fabio; Ong, AlvinKnee
The use of navigation during joint arthroplasty is believed to allow better placement of components. Gross fracture or stress fracture through navigation tracker pin placement is a complication reported in the literature. This case series presents details of stress fracture of tibial shaft through navigation pin track in 3 patients of 220 cases who underwent total knee arthroplasty at our institution. All the fractures eventually healed after a course of protected weight bearing. As a result, we use smaller-diameter self-tapping and self-drilling pins routinely and avoid placement of pins in the diaphysis and ensure that pins are inserted in different plains during insertion into metaphysis.
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