IMAGING DIAGNOSIS--ARTERIAL AND VENOUS THROMBOSES OF THE PROXIMAL LIMB IN TWO THOROUGHBRED RACEHORSES

Thromboses of the cranial tibial vein (Horse 1) and brachial, median, and cranial circumflex humeral arteries (Horse 2) were identified as causes of unilateral lameness in two Thoroughbred racehorses. Nuclear scintigraphy was performed for suspicion of long bone stress fractures but instead allowed...

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Bibliographic Details
Published in:Veterinary radiology & ultrasound 2010-05, Vol.51 (3), p.305-310
Main Authors: VAUGHAN, BETSY, WHITCOMB, MARY B, PUCHALSKI, SARAH M, POULIN-BRAIM, AMY E, NIETO, JORGE E, GALUPPO, LARRY D
Format: Article
Language:English
Subjects:
Animals
arteries
blood veins
brachial
case studies
cranial tibial
cranial tibial vein
diagnostic techniques
disease diagnosis
Female
Forelimb - blood supply
forelimbs
Hindlimb - blood supply
horse diseases
Horse Diseases - diagnostic imaging
Horses
lameness
Lameness, Animal - etiology
Male
median artery
nuclear scintigraphy
racehorses
Radionuclide Imaging
scintigraphy
Staphylococcus aureus
Thoroughbred
thrombosis
Thrombosis - complications
Thrombosis - diagnostic imaging
Thrombosis - veterinary
Ultrasonography
ultrasound
Venous Thrombosis - complications
Venous Thrombosis - diagnostic imaging
Venous Thrombosis - veterinary
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Summary:Thromboses of the cranial tibial vein (Horse 1) and brachial, median, and cranial circumflex humeral arteries (Horse 2) were identified as causes of unilateral lameness in two Thoroughbred racehorses. Nuclear scintigraphy was performed for suspicion of long bone stress fractures but instead allowed identification of unusual areas of increased radiopharmaceutical uptake within soft tissues of the affected limbs. Ultrasonography of these regions allowed identification of occlusive thrombi within a 25 cm length of the cranial tibial vein (Horse 1) and variable lengths of affected arteries in Horse 2. Horse 1 developed secondary infections and was euthanized. Staphylococcus aureus was isolated from all sites. The cause of thrombosis was not identified in Horse 2.
ISSN:1058-8183
1740-8261
DOI:10.1111/j.1740-8261.2009.01654.x