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Professor of Cardiology
Department: Cardiology

Contact information
Department of Clinical Studies-Philadelphia
Ryan Veterinary Hospital of the University of Pennsylvania
School of Veterinary Medicine
University of Pennsylvania
3900 Spruce St.
Philadelphia, PA 19104
Office: 215-898-3331
DVM (Doctor Veterinary Medicine)
University of Illinois, 1994.
MSCE (Masters of Science in Clinical Epidemiology)
University of Pennslyvania, 2015.
Permanent link
> Perelman School of Medicine   > Faculty   > Details

Selected Publications

Hezzell M J, Rush J E, Humm K, Rozanski E A, Sargent J, Connolly D J, Boswood A, Oyama M A: Differentiation of Cardiac from Noncardiac Pleural Effusions in Cats using Second-Generation Quantitative and Point-of-Care NT-proBNP Measurements. Journal of veterinary internal medicine / American College of Veterinary Internal Medicine 30(2): 536-42, Mar 2016.

Solter Philip F, Oyama Mark A, Machen Maggie C, Trafny Dennis J, Sisson D David: Detection by ELISA of C-terminal proBNP in plasma from cats with cardiomyopathy. Veterinary journal (London, England : 1997) 206(2): 213-7, Nov 2015.

Pouchelon J L, Atkins C E, Bussadori C, Oyama M A, Vaden S L, Bonagura J D, Chetboul V, Cowgill L D, Elliot J, Francey T, Grauer G F, Fuentes V Luis, Moise N Sydney, Polzin D J, Van Dongen A M, Van Israƫl N: Cardiovascular-renal axis disorders in the domestic dog and cat: a veterinary consensus statement. The Journal of small animal practice 56(9): 537-52, Sep 2015.

Oyama Mark A: Perioperative Monitoring of Heart Rate and Rhythm. The Veterinary clinics of North America. Small animal practice 45(5): 953-63, Sep 2015.

Oyama Mark A: Using Cardiac Biomarkers in Veterinary Practice. Clinics in laboratory medicine 35(3): 555-66, Sep 2015.

Cremer S E, Moesgaard S G, Rasmussen C E, Zois N E, Falk T, Reimann M J, Cirera S, Aupperle H, Oyama M A, Olsen L H: Alpha-smooth muscle actin and serotonin receptors 2A and 2B in dogs with myxomatous mitral valve disease. Research in veterinary science 100: 197-206, Jun 2015.

Cremer, Signe E; Kristensen, Annemarie T; Reimann, Maria J; Eriksen, Nynne B; Petersen, Stine F; Marschner, Clara B; Tarnow, Inge; Oyama, Mark A; Olsen, Lisbeth H.: Plasma and serum serotonin concentrations and surface-bound platelet serotonin expression in Cavalier King Charles Spaniels with myxomatous mitral valve disease. American Journal of Veterinary Research 76(6): 520-31, Jun 2015.

Cremer S E, Zois N E, Moesgaard S G, Ravn N, Cirera S, Honge J L, Smerup M H, Hasenkam J M, Sloth E, Leifsson P S, Falk T, Oyama M A, Orton C, Martinussen T, Olsen L H: Serotonin markers show altered transcription levels in an experimental pig model of mitral regurgitation. Veterinary journal (London, England : 1997) 203(2): 192-8, Feb 2015.

Fox, P R; Oyama, M A; Hezzell, M J; Rush, J E; Nguyenba, T P; DeFrancesco, T C; Lehmkuhl, L B; Kellihan, H B; Bulmer, B; Gordon, S G; Cunningham, S M; MacGregor, J; Stepien, R L; Lefbom, B; Adin, D; Lamb, K.: Relationship of plasma N-terminal pro-brain natriuretic peptide concentrations to heart failure classification and cause of respiratory distress in dogs using a 2nd generation ELISA assay. Journal of Veterinary Internal Medicine 29(1): 171-9, Jan 2015.

Machen, Maggie C; Oyama, Mark A; Gordon, Sonya G; Rush, John E; Achen, Sarah E; Stepien, Rebecca L; Fox, Philip R; Saunders, Ashley B; Cunningham, Suzanne M; Lee, Pamela M; Kellihan, Heidi B.: Multi-centered investigation of a point-of-care NT-proBNP ELISA assay to detect moderate to severe occult (pre-clinical) feline heart disease in cats referred for cardiac evaluation. Journal of Veterinary Cardiology 16(4): 245-55, Dec 2014.

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Last updated: 06/28/2017
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