David Polzin, DVM, PhD, Diplomate ACVIM (SAIM)

Professor, Department of Veterinary Clinical Sciences

David Polzin

Contact Info

[email protected]

Office Phone 612-625-1919

Professor, Department of Veterinary Clinical Sciences

College of Veterinary Medicine

University of Minnesota

DVM, University of Illinois

PhD, University of Minnesota

University of Illinois

Internship - University of Georgia


Awards & Recognition

  • ESVNU-Hill’s Excellence in Veterinary Nephrology and Urology Award, 2005
  • U of MN CVM “Mark of Excellence Award” 2006

Professional Associations

  • American Veterinary Medical Association
  • American College of Veterinary Internal Medicine
  • American Animal Hospital Association
  • International Renal Interest Society
  • Society of Veterinary Nephrology/Urology
  • Veterinary Emergency and Critical Care Society
  • Minnesota Veterinary Medical Association
  • American Society of Nephrology
  • International Society of Nephrology
  • National Kidney Foundation


Research Summary/Interests

  • Chronic kidney disease (CKD)
  • Diagnostic methods
  • Treatment – diet, calcitriol, phosphorus management, acid-base management
  • Progression of CKD – pathophysiology, interventions
  • Glomerulopathies – pathology, mechanisms, treatment
  • Acute Kidney Injury (AKI) – diagnosis and management methods
  • Urinary Tract Infections
  • Immune Mediated Hemolytic Anemia


  1. Jacob F, Polzin DJ, Osborne CA, Allen TD, Kirk C, Neaton JD, Lekcharoensuk C, Swanson L: Clinical evaluation of dietary modification for treatment of spontaneous chronic renal failure in dogs. J Am Vet Med Assoc 220[8]:1163-1170, 2002.
  2. Jacob F, Polzin DJ, Osborne CA, et al.: Effect of Systemic Arterial Blood Pressure on Morbidity and Mortality in Dogs with Spontaneous Chronic Renal Failure. J Am Vet Med Assoc 222[3]:322-329, 2003.
  3. Jacob F, Polzin DJ, Osborne CA, et al: Evaluation of the association between initial proteinuria and morbidity rate or death in dogs with naturally occurring chronic renal failure. J Am Vet Med Assoc 226: 393-400, 2005.
  4. Torres S, Diaz S, Nogueira S, Jessen C, Polzin D, Gilbert S, Horne K. Frequency of urinary tract infection among dogs with pruritic disorders receiving long-term glucocorticoid treatment. J Am Vet Med Assoc. 227: 239-243, 2005.
  5. Ross SJ, Osborne CA, Kirk CA, Lowry SR, Koehler LA, Polzin DJ. Clinical evaluation of dietary modification for treatment of spontaneous chronic kidney disease in cats. J Am Vet Med Assoc 229:949-957, 2006.
  6. Ross SJ, Osborne CA, Lekcharoensuk C, Koehler LA, Polzin DJ. A case-control study of the effects of nephrolithiasis in cats with chronic kidney disease. JAVMA, Vol 230, No. 12, June 15, 2007.
  7. SE Helmond, DJ Polzin, PJ Armstrong, M Finke, SA Smith: Treatment of canine immune-mediated hemolytic anemia with individually adjusted heparin dosing: A pilot study. J Vet Intern Med 24:597-605, 2010.
  8. Polzin D: Chronic Kidney Disease. In, Ettinger S and Feldman E: Textbook of Veterinary Internal Medicine. Saunders. 2010, pp. 2036-2067.
  9. Nephrology and Urology of Small Animals. Bartges J and Polzin D (eds), Blackwell Publishing Ltd, 2011.


Teaching Areas

  • Diseases of the Kidneys
  • Urinary Tract Infections
  • Renal Physiology
  • Fluid, Electrolyte, and Acid-base Disorders – pathophysiology, diagnosis and treatment


Board Certifications

Diplomate ACVIM (SAIM)

Clinical Interests

Clinical nephrology Hypertension Urinary tract infections Diseases of the lower urinary tract