Management of acquired achalasia in dogs.
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Biomedical subjects
Publications and source records attributed to V T Rendano.
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Albendazole was an effective larvicidal anthelmintic against the fourth stage Strongylus vulgaris larvae as late as one month post-infection. The drug was administered at a dose rate of 25 mg/kg three times daily for 5 days. Diarrhoea occurred in 3 of 4 foals treated and of these one died during belated intravenous therapy for dehydration. Arteriography allowed for an in vivo assessment of the development and regression of lesions in infected-treated foals compared to the continued development of lesions in infected-untreated foals. The arteriographic findings were confirmed at necropsy.
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Radiographs of the aorta and abdominal arteries were obtained from a normal anesthetized pony following catheterization of a femoral artery for nonselective, semiselective or selective arteriography. The arteries had smooth borders and regular diameters and the branches of the cranial mesenteric artery could be followed distally on the angiogram through to the smaller branches proximal to the bowel wall. Following arteriography, the pony walked normally and there were minimal alterations of the levels of serum muscle enzymes and blood lactate. The procedures for arteriography were repeated in three days. At that time the femoral artery was patent and satisfactory angiograms were obtained. Similiarly, radiographs were obtained from two ponies artificially infected with Strongylus vulgaris. The cranial msenteric artery and some of its branches, the right renal artery and segments of the aorta had irregular borders and were enlarged. Branches of the cranial mesenteric artery could not be followed distally because the flow of the contrast material was blocked. Following the above procedures, euthanasia of all ponies was expedited and the findings of arteritis, thrombosis and dilatation of arteries at necropsy compared favorably with interpretations from the radiographs. At least in the pony, arteriography can be a valuable research and diagnostic tool for the demonstration of lesions associated with verminous arteritis.