PMID: 9449180Feb 4, 1998Paper

Determination of proximal femoral epiphyseal depth for repair of physeal fractures in immature dogs

Veterinary Surgery : VS
D LorinsonR M Bright

Abstract

To determine the depth that implants may be safely placed for repair of proximal femoral physeal fractures. Relationships were determined between the depth of the proximal femoral epiphysis (PFE) and the contralateral PFE, and the PFE and pubic bone width. 20 immature dog cadavers. Actual PFE depths were determined at the center of the physeal surface and at four other eccentric points. The contralateral intact PFE depth and the width of the cranial aspect of the public bone were measured from radiographs. Mean ratios of actual central PFE depth to radiographically measured (1) contralateral PFE depth and (2) pubic bone width were 1.04:1, and 1.09:1, and ratios of actual eccentric PFE depths were 0.89:1 and 0.93:1. Body weight was not useful in estimating depth of the PFE. For the central epiphysis, pins may safely be placed a distance equal to 75% to 80% of the contralateral intact PFE depth or pubic bone width, measured from a ventrodorsal radiograph, with minimal risk of penetration through the articular surface. Pins placed eccentrically may be safely driven a depth equal to 65% of the radiographically measured contralateral intact PFE depth or pubic bone width. Estimating the safe depth of implant placement into the PFE av...Continue Reading

References

Jul 1, 1991·Veterinary Surgery : VS·D G WilsonJ W Frampton
Jan 1, 1990·Veterinary Surgery : VS·D A HuntJ R Pascoe
May 1, 1986·Journal of Pediatric Orthopedics·J L StamboughJ R Gregg

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Citations

Sep 13, 2013·Journal of Feline Medicine and Surgery·Karen L PerryGareth I Arthurs
Mar 6, 2019·Journal of Continuing Education in Nursing·Ana Cabral, Ana Baptista
Apr 1, 2006·The British Journal of Educational Psychology·Jane S PrichardRobert J Stratford

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