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Biomedical subjects

J C Prueter

Publications and source records attributed to J C Prueter.

3 recordsLinked to original sources

Adherent gram-positive cocci on the intestinal villi of two dogs with gastrointestinal disease.

Two dogs were examined for clinical signs of chronic gastrointestinal disease. Duodenal mucosal biopsy specimens, obtained endoscopically, revealed histologic lesions of adherent gram-positive cocci on the villus epithelium of both dogs. The positive gram stain and morphologic features of the adherent cocci were suggestive of Streptococcus organisms. Indirect tests for intestinal bacterial overgrowth were not diagnostic, suggesting that the adherent cocci were a primary lesion. Rapid clinical response following dietary manipulation and the initiation of medical management was observed in both dogs. The dogs of this report draw similarities to Streptococcus durans infection previously reported in pigs, foals, and a single pup. The pathogenesis of enteric disease associated with adherent gram-positive cocci in dogs remains ill-defined.

Animals↗

Clinicopathologic findings resembling hypoadrenocorticism in dogs with primary gastrointestinal disease.

Nine dogs with primary gastrointestinal disease had clinical and laboratory findings resembling hypoadrenocorticism. The dogs had histories of anorexia, weakness or lethargy, diarrhea, vomiting, and weight loss. Hypothermia, dehydration, and emaciation also were detected on physical examination. Hyponatremia, hyperkalemia, and abnormally low Na/K ratios were found on laboratory evaluation, but results of ACTH-response tests were not compatible with hypoadrenocorticism. The primary diagnoses were trichuriasis and salmonellosis in 2 dogs, trichuriasis in 5 dogs, and perforated duodenal ulcer in 2 dogs. Most dogs responded to medical or surgical treatment of their primary gastrointestinal disease, and the original electrolyte abnormalities resolved. These findings emphasize the importance of the ACTH-response test in the diagnostic evaluation of dogs with clinicopathologic findings similar to those of hypoadrenocorticism.

Adrenal Insufficiency↗

Canine chronic bronchitis.

The diagnosis and management of the chronic bronchitis patient can be a challenging, but rewarding, task for the veterinarian. The normal respiratory defense mechanisms and the pathophysiologic responses to the pathologic changes are of dramatic importance in understanding the choices of therapy. The keys to successful management of the patient lie in correct assessment of the clinical features and diagnostic procedures and periodic reevaluation of the patient's response to therapy and age/environment-related progression of pathology. Lastly, the clinician must create a realistic attitude for the owner regarding chronically diseased patients.

Adrenal Cortex Hormones↗