The use of Ultrasound in distinguishing complications of the Jugular Vein arising from Intravenous Catheters and Injections in horses
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The ultrasound technique was used to provide both structural and functional information concerning the integrity of the jugular vei n following intravenous infusions and injections. These were performed in the routine administration ofantibiotics and fluids for the treatment of horses, mainly suffering from colic. The complications noted during examination included peri-phlebitis, thrombo-phlebitis and peri-venous abscesses of varying sizes at the injection site, and sometimes affecting most of the jugular vein. The different lesions, which often could not be differentiated clinically, were clearly evident using ultrasonography. In addition. the integrity of the Venous blood flow could be determined, particularly in cases offhrombo-pblcbitis where partial or complete occlusion of the vein occurred. When noted early, using ultrasonography, exacerbation of the thrombus could be prevented by avoiding repeated intravenous injections or by thc removal of indwelling catheters.