Stéphane Montavon

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Imperium 2016

Uranie du Pré - 2014

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Rock Coeur - 2014

New Publication in Equine Surgery (2019)

Long-term clinical and radiographic results after lag screw
ostheosynthesis of short incomplete proximal sagittal fractures
of the proximal phalanx in horses not used for racing (Veterinary Surgery 2019; 1- 8)

Marco F. Bryner DVM | Seamus E. Hoey MVB, DECVDI, DACVR, MRCVS |
Stéphane Montavon Dr med vet | Anton E. Fürst Dr med vet, DECVS |
Jan M. Kümmerle Dr med vet, PhD, DECVS

Abstract
Objective: To determine long term outcomes of nonracing equines athletes treated
for short incomplete proximal sagittal fractures of the proximal phalanx (SIPSFP1)
by lag screw fixation.
Study design: Retrospective study.
Sample population: Thirty-one horses.
Methods: Medical records from horses with an SIPSFP1 (2008-2014) were
reviewed. Long-term (≥12 months) outcomes were assessed with telephone interviews
and clinical and radiographic examinations.
Results: Warmblood was the predominant breed in cases included in the study.
Among horses with long-term interview information, 27 of 31 returned to previous athletic
activity level. In total, 15 horses with 19 fractures had clinical and radiographic
assessment after a minimum of 12 months. Among those, nine of 15 horses were sound
at the trot, and six of 15 were mildly lame. Complete radiographic healing was confirmed
in six limbs, and the facture line was evident in 13. The position of the proximal
screw was not associated with radiographic fracture healing or return to soundness.
Conclusion: Most horses treated for SIPSFP1 with lag screw fixation returned to
previous activity levels, although radiographic fracture healing remained incomplete
12 months or more after surgery.

Clinical significance: Lag screw fixation is a valid treatment for horses not used
for racing that are experiencing an SIPSFP1 and results in a high rate of return to
intended use, although complete radiographic fracture healing cannot be expected.

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