Abstract
Objectives:To identify the risk of spontaneous proximal tibial shaft fracture after distallization of the patella, and prevention strategies.Methods: Case reports and operative technique.Two cases of tibial fracture are presented, arising from a stress riser in the tibial crest due to a residual anterior cortical defect. There had been no warning symptoms before the fractures.Results:The fractures required internal fixation of the proximal tibial shaft.Discussion:Prevention requires check X-Ray prior to return to full activity after patella distallization, and possible further surgery if a residual cortical defect is identified. At the time of the index surgery, the risk of a residual cortical defect can be minimized by ensuring accurate apposition of the two anterior bone fragments, and applying compression across the site of an oblique osteotomy between those fragments where a bone segment is resected.Conclusion:Awareness of this potential complication should ensure effective preventative strategies.
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