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Hemolytic uremic syndrome in dogs
1Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville 32610-0145.
Journal of Veterinary Internal Medicine
|July 1, 1993
Summary
A canine disease similar to human hemolytic uremic syndrome (HUS) was identified in three dogs. This syndrome involved acute renal failure, microangiopathic hemolytic anemia, and gastrointestinal hemorrhage, offering insights into HUS pathophysiology.
Area of Science:
- Veterinary Medicine
- Nephrology
- Hematology
Background:
- Hemolytic uremic syndrome (HUS) is a human disease characterized by hemolytic anemia, thrombocytopenia, and acute kidney injury.
- Canine models are crucial for understanding complex disease mechanisms and potential treatments.
Observation:
- Three dogs presented with anuric acute renal failure following hemorrhagic gastroenteritis.
- Clinical signs included evidence of microangiopathic hemolytic anemia (schizocytes, thrombocytopenia, elevated fibrin split products) and azotemia.
- Renal ultrasound showed increased echogenicity, and necropsy revealed renal arteriolar thrombosis.
Findings:
- The canine disease syndrome closely resembles human HUS, presenting with similar hematological and renal pathological findings.
- Microangiopathic arteriolar thrombosis was identified as the cause of renal vascular occlusion.
- Treatment with dopamine and furosemide resulted in urine production in one of three dogs.
Implications:
- This study establishes a canine model for studying HUS, enabling further research into its pathophysiology.
- Findings contribute to understanding the comparative aspects of HUS in humans and dogs.
- Further research may lead to improved diagnostic and therapeutic strategies for canine and human HUS.