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Allison J. Stewart BVSc(Hons), MS, DACVIM(LAIM), DACVECC

APPOINTMENTS

  • Associate Professor, Equine Internal Medicine, Auburn University, October 2002-present
  • Large Animal Medicine Resident, The Ohio State University, July 1999-June 2002
  • Associate Veterinarian, Harbison and Associates Veterinary Hospital, January 1998-April 1999

 PROFESSIONAL PREPARATION

  • Fellowship, Equine Emergency and Critical Care, 2004-2007
  • MS, Veterinary Medicine, The Ohio State University, August 2002 
  • Residency, Equine Internal Medicine, The Ohio State University, 1999-2002
  • BVSc(Hons), Veterinary Science, The University of Melbourne, December 1997
334-844-4490
stewaaj@auburn.edu

Research Interests

  • Pharmacokinetics
  • Equine fungal infections
  • Inflammatory cytokines in sepsis
  • Electrolyte disturbances in sepsis (magnesium)
  • Pituitary Insufficiency in critial care patients
  • Deafness and vestibular disease 
  • Neonatal Intensive Care
  • Neonatal Ventilation
  • Neurology
  • Ultrasound
  • Fungal Infections
My laboratory investigates the seasonal differences in diagnostic tests for endocrine disorders encountered in geriatric horses that will ultimately help define reference ranges for the use of these tests in our endocrine diagnostic laboratory. We are also at the forefront of investigations to understand the dysfunction of stress hormones in critically ill horses and foals. My other interests include electrolyte handling by horses, particularly the effects of magnesium supplementation on calcium status in horses. Magnesium infusions are used to treat head trauma, potentially fatal heart rhythm disturbances, tetanus and dummy foals. 

Selected Publications

  1. Rodriguez Hurtado I*, Stewart AJ, Wolfe DF, Caldwell FJ, Harrie M, Whitley EM.Immunolocalization of the hyaluronan receptor CD44 in the reproductive tract of the mare. Theriogenology impact factor of 1.911: Accepted August 2010
  2. Stewart AJ, Magnesium disorders Vet Clin Nth Am- Eq Pract Endocrine Disorders Accepted August 2010
  3. Salazar T*, Stewart AJ, Caldwell F. Rectal haemartoma in a foal. Eq Vet Educ Accepted July 2010
  4. Stewart AJ, Behrend EN, Wright JC, Martin LG, Kemppainen RJ, Busch KA, Hanson RR.  Validation of a low-dose ACTH stimulation test in normal adult horses. J AM Vet Med Assoc  Accepted July 2010.
  5. Stewart AJ (95%), Boothe DM, Cruz-Espindola C, Baird E, Springfield J. Pharmacokinetics of tramadol and metabolites O-desmethyltramadol (ODT) and N-desmethyltramadol (NDT) in adult horses. Am J Vet Res Submitted October 2009, revisions Jan 2010, March 2010, Accepted April 2010
  6. Harland M* (intern), Stewart AJ, Boese R.  Guidelines for navigation of prepurchase examinations and importation requirements for European performance horses and semen entering the United States  Compend Equine accepted for Spring 2010
  7. Moorman V* (intern), Stewart AJ (40%), Waldridge BM, Purohit, R. Cervical dermatome irritation after intramuscular injection. Compend Equine accepted for Spring 2010
  8. Harland M* (intern), Stewart AJ, Boese R. Richtlinien zur Kaufunterschung und zum export von pferden und sperma aus Europa in die USA German Journal Enke Verlag Pferdespiegal 2010: 1:12-16
  9. Passler NI* (resident), Chan HM (PhD student)*, Stewart AJ, Duran SH, Lin HC, Welles EG, Ravis WR. Concentrations of voriconazole in 7 body fluids J Pharmacol Therap Vet Therap  2010 33(1):35-41
  10. Harper J* (resident), Stewart AJ, Kuhnt L, Waguespack RW, Holland M. Ultrasonographic Identification of a Juvenile Granulosa Thecal Cell Tumor in a Foal. Eq Vet Educ. 2010 22(3):115-120
  11. Stewart AJ (90%) Salazar P.  Waldridge BM, Schumacher J, Welles EG, Hanson RR, Sartin EA, Lenz SD, Holland M, Beard DM. Multimodal treatment of recurrent sinonasal cryptococcal granulomas in a horse. J Am Vet Med Assoc 2009:Sep 15; 235(6): 723-30
  12. Stewart AJ.  (70%), Pettigrew A, Cochran AM, Belknap JK. Indices of inflammation in the lung and liver in the early stages of the black walnut extract model of equine laminitis. Vet Immunol Immunopathol 2009: 129 (3-4): 261-262 Impact factor 1.957
  13. Stewart AJ (95%), Salazar P, Welles EG.  Systemic and pulmonary fungal infections Compend Equine 2008;3:260-272.
  14. Stewart AJ,  (90%) Welles EG, Salazar P.  Fungal infections of the upper respiratory tract. Compend Equine 2008;3:208-220.
  15. Stewart AJ.  (100%) Lovak gomba eredetu megbetegedeseinek diagnosztikaja es kezelese. Diagnosis and treatment of serious fungal infections in horses. Magyar allatorvosok laja Hungarian Veterinary Journal. Invited review. 2007;129(11):571-574
  16. Stewart AJ.  (100%) Relatív mellékvese-elégtelenség. Előfordul-e súlyosan beteg lovakban? Relative adrenal insufficiency. Does it exist in critically ill horses?  Hungarian Veterinary Journal. Magyar allatorvosok lapja Invited review. 2006:128 (12): 707-711.
  17. Hurtado I* (resident), Stewart AJ (30%), Pellegrini-Masini A. Successful treatment for a gastric persimmon bezoar in a pony horse using nasogastric lavage with a carbonated cola soft drink. Eq Vet Educ 2007;19(11):571-574
  18. Stewart AJ (80%), Salazar P, Waldridge BM, Hathcock J, Whitley EM and Welles E. Computed tomographic diagnosis of a pathologic fracture due to Rhodococcus osteomyelitis and spinal abscess in a foal. Eq Vet Educ, 2007;19(5):231-235
  19. Stewart AJ, (100%).  Antifungal therapy for horses Pferdeheilkunde  2006;22(4):483-484
  20. Schwarzwald CC, Stewart AJ (45 %) and Bonagura, JD. Cor pulmonale and congestive heart failure in a horse with granulomatous pneumonia. Equine Vet Educ 2006; 8 (4): 236-241
  21. Stewart AJ. (100%) Clostridial Myositis and Collapse in a Standardbred Filly. Vet Clin North Am Equine Pract; 2006; 22:127-144
  22. Stewart AJ. (100%) Secondary Renal Tubular Acidosis in a Quarter Horse Gelding. Vet Clin North Am Equine Pract; on-line publication www.vetequine.theclinics.com 2006; 22: e47-e62
  23. Stewart AJ. (100%) Actinobacillus pleuritis and peritonitis in a Quarterhorse mare. Vet  Clin North Am Equine Pract; www.vetequine.theclinics.com  2006; 22: e77
  24. Stewart AJ (100 %) Antifungal therapy for horses. Compend Cont Educ Vet Pract 2005;  27 (11): 871-876.
  25. Harland M* (intern), Stewart AJ (40%), Belknap EB and Marshal AE. Diagnosis of deafness in a horse by brainstem auditory evoked response. Can Vet J 2006;47:151-154
  26. 26.   Taintor J* (resident), Stewart AJ (40%), Christman U, Beard D. Cecocolic intussusception in a horse. J Am Vet Med Assoc 2004; 225: 1829-1830.
  27. Stewart AJ (85%), Hardy J, Kohn CW, Toribio RE, Hinchcliff KW and Silver B. Validation of diagnostic tests for determination of magnesium status in horses with reduced magnesium intake. Am J Vet Res, 2004; 65(4); 422-430.
  28. Stewart AJ, (85%), Hinchcliff KW, Saville WJA, Jose-Cunilleras E, Hardy J, Kohn CW, Reed SM and Kowalski JJ. Actinobacillus sp. bacteremia in foals: Clinical signs and prognosis. J Vet Int Med,2000; 16: 464-471.

Additional Publications

Current Research Grants

Stewart AJ, Boothe DM, Duran SH. Pharmacokinetics of Tramadol in Foals after Single Dose Intravenous and Oral Administration. Birmingham Racing Commission. December 2005.

Gaughan E, Stanton MB Stewart AJ, Whitley E, Hurtado I. The presence of hyaluronan receptors in the reproductive tract of the mare. Birmingham Racing Commission. December 2005.

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