Ray Dillon, DVM, MS, MBA, DACVIM
Jack O. Rash Professor, Small Animal Internal Medicine
Department of Clinical Sciences
Dr. Ray Dillon received his DVM, Magma Cum Laude, from Texas A&M University in 1973. He was an intern and clinical resident at Auburn University earning his MS in Internal Medicine in 1977. He was board certified in the American College of Veterinary Internal Medicine in 1978. He received a MBA Degree in 2001 from Auburn University. Dr. Dillon was Head of the Section of Medicine for over 20 years and was Interim Director of the Scott-Ritchey Research Center. Dr. Dillon has over 200 scientific publications and 1000 scientific presentations, many at international forums. In addition to his clinical duties, he has been directly associated with over 20 million dollars of research including collaborative research with the University of Alabama at Birmingham, Heart Failure Center.
Founding President – American College of Veterinary Internal Medicine Foundation
Phi Kappa Phi Scholar for Auburn University – Auburn University (1986)
Exceptional Achievement in Auburn University Outreach – Auburn University (1989)
The Beecham Award for Research Excellence
Award for Feline Research – American Veterinary Medicine Association Foundation (1999)
Comparative Medicine Scholar – Tuft’s University College of Veterinary Medicine (1997)
Outstanding Alumnus Award – Texas A&M University (2003)
ACVIM Foundation Service Award (2012)
B.F. Hoerlein Research Award (2013).
Dr. Dillon has been active in cardiopulmonary research, with an emphasis on inflammatory lung disease and congestive heart failure of dogs and cats.
Lung histopathology, radiography, high-resolution computed tomography, and bronchia-alveolar lavage cytology are altered by Toxocara cati infection in cats and is independent of development of adult intestinal parasites. AR Dillon, DM Tillson, J Hathcock, B Brawner, A Wooldridge, R Cattley, B Welles, S Barney, T Lee-Fowler, L Botzman, M Sermersheim, R Garbarino Vet Parasitology 193:413-426, 2013
A new species of Tritrichomanas (Sarcomastigophora:Trichomonida) from the domestic cat (Felis catus). H Walden, C Dykstra, A Dillon, S Rodning, D Givens, R Bird, J Newton, D Lindsay Parasitol Res. 112: 2227-2235, 2013.
Volume overload induces differential spatiotemporal regulation of myocardial soluble guanylyl cyclase in eccentric hypertrophy and heart failure. U Liu, AR Dillon, M Tillson, C Makarewich, V Nguyen, L Dell’Italia, A Sabri, V Rizzo, E Tsai. J Molecular and Cell Cardiology 60:72-83, 2013.
High-resolution computed tomography bronchial lumen to pulmonary artery diameter ratio in anesthetized ventilated cats with normal lungs. Reid, L.E., Dillon, A.R., Hathcock, J.T., Brown, L.A., Tillson, M., Wooldridge, A.A., Vet. Radiol. Ultrasound. 53, 34-37, 2012.
Left ventricular remodeling in preclinical experimental mitral regurgitation of dogs. Dillon AR, Dell’Italia LJ, Tillson M, Killingsworth C, Denney T, Hathcock J, Botzman L. J of Vet Cardio 14:73-92, 2012.
Isometric responses of isolated intrapulmonary bronchioles from cats with and without adult heartworm infection. Wooldridge, A.A., Dillon, A.R., Tillson, D.M., Zhong, Q., Barney, S.R. Am. J. Vet. Res. 73, 3, 439-446, 2012.
Comparative efficacy of four commercially available heartworm preventive products against the MP3 laboratory strain of Dirofilaria immitis. B.L. Blagburn, A.R. Dillon, R.G. Arther, J.M. Butler, J.C. Newton Vet Parasitology 176:2, 189-194, 2011.
Evaluation of a new in-clinic method for the detection of canine heartworm antigen. A. C.Y. Lee, D. D. Bowman, A. Lucio-Forster, M. J. Beall, J. L. Liotta, R. Dillon. Vet Parasitology 177:3, 387-391, 2011.
Chymase inhibition prevents fibronectin and myofibrillar loss and improves cardiomyocyte function and LV torsion angle in dogs with isolated mitral regurgitation. Pat B, Chen Y, Killingsworth C, Gladden JD, Shi K, Zhengh, Powell PC, Walcott g, Ahmend M, Gupta H, Desai F, Hase N Kobayashi T, Sabri A, Garanzior H, Denney T Tillson M, Dillon AR, Husain A, Delli’Italia, Circulation. 122:15, 1488-95, 2010.
Surgical implantation of a cardiac resynchronization therapy device in a Western Lowland Gorilla with fibrosing cardiomyopathy. Rush EM, Ogburn AL, Hall J, Rush D, Lau U, Dillon AR, Garmon L, Tillson DM, Kay GN, J of Zoo and Wildlife Medicine 41:3:395-403, 2010.
Oral Chymase Inhibitor TEI-F00806 Improves in vitro and in vivo Cardiac Function in Volume Overload Mitral Regurgitation in the Dog. Killingsworth C, Hase N, Kobayashi T, Pat B, Powell P, Wei C, Walcott G, Tillson M, Dillon R, Dell’Italia L. Circulation 120:S7, 33, 2009
Heartworm Disease of Cats. Dillon AR, J of Jap Vet Med. Sum: 1-8, 2009.
Microarray identifies extensive down regulation of noncollagen extracellular matrix and profibrotic growth factor genes in chronic isolated mitral regurgitation in the dog. Zheng J, Chen Y, Pat B, Dell’Italia LA, Tillson M, Dillon AR, Powell PC, Shi K, Shah N, Denney T, Husain A, Dell’Italia LJ. Circulation. 119(15) 2086-95, 2009.
Activity of pulmonary intravascular macrophages in cats and dogs with and without adult Dirofilaria immitis. Dillon AR, Warner AE, Brawner W, Hudson J, Tillson DM, Vet Parasitol 158, 171-176, 2008.
Sympathetic activation causes focal adhesion signaling alteration in early compensated volume overload attributable to isolated mitral regurgitation in the dog. Sabri A, Rafiq D, Seqqat R, Kolpakov MA, Dillon R, Dell’Italia LJ. Cir Research 102: 1127-36, 2008.