Tube Cast of the Forelimb in the Neonate

Tube Cast of the Forelimb in the Neonate



Basic Information image



Synonym(s)




Sleeve cast



Overview and Goal(s)




• Tube casts are placed on the forelimbs of foals to protect the carpal joints (bone, ligament, and cartilage) from asymmetric load if malaligned and to reduce load if incompletely ossified.


• Tube casts are used in the forelimbs and span the limb from the axilla to the distal metacarpus.


• Tube casts are rarely applied to hindlimbs as they are very difficult to manage and make it difficult for foals to get up.



Indications




• Carpal ligamentous laxity


• Carpal hypoplasia



Contraindications




• Casts should not be used in foals unless they are stall confined.


• Casts impede access to portions of the limb if required.



Equipment, Anesthesia




• Fiberglass casting material in 2- and 3-inch widths


• 3M custom support foam


• 2-inch stockinet


• Cast felt


• Water bucket


• Casting gloves


• General anesthesia rather than sedation is recommended for this procedure because it is important that the foal not move during placement of the casts.


image Injectable anesthesia such as the combination of xylazine, Valium, and ketamine is quite adequate.


Anticipated Time


Once the foal is anesthetized, placement of two forelimb tube casts should require 30 to 45 minutes.



Preparation: Important Checkpoints


All materials should be assembled before casting begins. Once the cast material is exposed to air, it begins to set rapidly and is useless if not quickly applied.



Possible Complications and Common Errors to Be Avoided




• The greatest complication is cast sores.


image This complication is somewhat lessened for tube casts as compared to casts that incorporate the digit.
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Jul 24, 2016 | Posted by in SMALL ANIMAL | Comments Off on Tube Cast of the Forelimb in the Neonate

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