Phillips, S. A., Griffiths, W. E. G. and Clarke, N. M. P.
The timing of reduction and stabilisation of the acute, unstable, slipped upper femoral epiphysis
Journal of Bone and Joint Surgery, British Volume, 83-B, (7), . (PMID:11603521).
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We reviewed the management of 100 cases of
slipped upper femoral epiphysis treated over a
period of 26 years. A total of 14 slips was identified as
unstable on admission. These underwent reduction
and stabilisation within 24 hours of the onset of severe
symptoms. Of the 86 stable slips four progressed to
avascular necrosis (AVN), which was not seen in the
unstable slips. The literature on slipped upper femoral
epiphysis suggests that the acute unstable slip is at
higher risk of developing AVN. We recommend
reduction and stabilisation of unstable slips within 24
hours of the onset of symptoms in order to reduce the
risk of AVN.
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