Evaluation of an interfragmentary compression system for the repair of equine femoral capital physeal fractures.

D. A. Hunt, J. R. Snyder, J. P. Morgan, Susan M Stover, R. R. Pool, John Pascoe

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Femoral neck and proximal epiphyseal lengths were measured in 37 femurs from 19 cadaver foals that were 1 day to 12 months old to determine the applicability of a human interfragmentary compression system to equine femoral capital physeal fractures. Because components of the implant system are available only in fixed sizes, its use was possible in foals older than 5 weeks of age, but not in younger foals. The 135 degree angle plate conformed best to the equine femur. Femoral capital physeal fractures were created surgically and repaired with the implant system in three foals. Fracture stability was evident clinically and radiographically in all three foals until euthanasia at month 3. At necropsy, the treated femurs were 4, 8, and 27 mm shorter than their mates. Epiphyseal viability was verified in all three foals by tetracycline deposition and new appositional bone growth comparable with that in the contralateral control epiphyses. The treated capital physis was open but reduced in thickness in one foal, disorganized in one foal, and closed in one foal. Fixation by compression with the implant system resulted in stability sufficient for fracture healing and maintenance of epiphyseal viability, although it was associated with reduced longitudinal femoral growth.

Original languageEnglish (US)
Pages (from-to)107-116
Number of pages10
JournalVeterinary surgery : VS : the official journal of the American College of Veterinary Surgeons
Volume19
Issue number2
StatePublished - Mar 1990

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thighs
Thigh
foals
Femur
Horses
Economics
horses
Epiphyses
Fracture Healing
Euthanasia
Bone Development
Femur Neck
Tetracycline
femur
Cadaver
Maintenance
Growth
viability
epiphyses
euthanasia

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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abstract = "Femoral neck and proximal epiphyseal lengths were measured in 37 femurs from 19 cadaver foals that were 1 day to 12 months old to determine the applicability of a human interfragmentary compression system to equine femoral capital physeal fractures. Because components of the implant system are available only in fixed sizes, its use was possible in foals older than 5 weeks of age, but not in younger foals. The 135 degree angle plate conformed best to the equine femur. Femoral capital physeal fractures were created surgically and repaired with the implant system in three foals. Fracture stability was evident clinically and radiographically in all three foals until euthanasia at month 3. At necropsy, the treated femurs were 4, 8, and 27 mm shorter than their mates. Epiphyseal viability was verified in all three foals by tetracycline deposition and new appositional bone growth comparable with that in the contralateral control epiphyses. The treated capital physis was open but reduced in thickness in one foal, disorganized in one foal, and closed in one foal. Fixation by compression with the implant system resulted in stability sufficient for fracture healing and maintenance of epiphyseal viability, although it was associated with reduced longitudinal femoral growth.",
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AU - Snyder, J. R.

AU - Morgan, J. P.

AU - Stover, Susan M

AU - Pool, R. R.

AU - Pascoe, John

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