Heidi Kellihan, DVM, DACVIM (Cardiology), Clinical Associate Professor


Department of Medical Sciences
Office: 3250

Heidi Kellihan, DVM, DACVIM (Cardiology), Clinical Associate Professor

Titles and Education

  1. Loyola University, Chicago 1995 B.S.
  2. University of Illinois, Champaign 2000 B.S. of Veterinary Medicine
  3. University of Illinois, Champaign 2002 DVM
  4. Dr. Steve Ettinger's California Animal Hospital, Los Angeles 2003, Internship
  5. University of Wisconsin, Madison 2003-2006, Cardiology Residency


Primary focus on canine pulmonary arterial hypertension. Valvular heart disease in Whippets. Cardiac biomarkers (NT-proBNP)in canine and feline cardiac disease.


Clinical Associate Professor of Cardiology

Clinical Interests

Pulmonary hypertension.  Congenital and acquired heart disease. Interventional cardiac catheterizations (PDA Amplatz, balloon valvuloplasty, pacemaker implantation).  Reveal monitoring for syncope and arrhythmias.

Recent Publications

  1. Tjostheim SS, Kellihan HB, Csomos RA, McAnulty J, Steinberg H. Vascular hamartoma in the right ventricle of a dog: Diagnosis and treatment. J Vet Cardiol. 2015 Dec;17(4):321-8.

  2. Kellihan HB, Stepien RL, Hassen KM, Smith LJ. Sedative and echocardiographic effects of dexmedetomidine combined with butorphanol in healthy dogs. J Vet Cardiol. 2015 Dec;17(4):282-92.

  3. Bellofiore A, Roldán-Alzate A, Besse M, Kellihan HB, Consigny DW, Francois CJ, Chesler NC.  Impact of Acute Pulmonary Embolization on Arterial Stiffening and Right Ventricular Function in Dogs.  Annals of Biomedical Engineering,  2012 Aug 4. Epub ahead of print.
  4. Kellihan HB, Waller KR, Pinkos A, Steinberg H, Bates ML. Acute resolution of pulmonary alveolar infiltrates in 10 dogs with pulmonary hypertension treated with sildenafil citrate: 2005-2014. J Vet Cardiol. 2015 Sep;17(3):182-91.

  5. Bellofiore A, Henningsen J, Lepak CG, Tian L, Roldan-Alzate A, Kellihan HB, Consigny DW, Francois CJ, Chesler NC. A novel in vivo approach to assess radial and axial distensibility of large and intermediate pulmonary artery branches. J Biomech Eng. 2015 Apr;137(4):044501.

  6. Soydan LC, Kellihan HB, Bates ML, Stepien RL, Consigny DW, Bellofiore A, Francois CJ, Chesler NC. Accuracy of Doppler echocardiographic estimates of pulmonary artery pressures in a canine model of pulmonary hypertension. J Vet Cardiol. 2015 Mar;17(1):13-24.

  7. Fox PR, Oyama MA, Hezzell MJ, Rush JE, Nguyenba TP, DeFrancesco TC, Lehmkuhl LB, Kellihan HB, Bulmer B, Gordon SG, Cunningham SM, MacGregor J, Stepien RL, 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.J Vet Intern Med. 2015 Jan;29(1):171-9.

  8. Machen MC, Oyama MA, Gordon SG, Rush JE, Achen SE, Stepien RL, Fox PR, Saunders AB, Cunningham SM, Lee PM, Kellihan HBMulti-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. J Vet Cardiol. 2014 Dec;16(4):245-55.

  9. Tian L, Kellihan HB, Henningsen J, Bellofiore A, Forouzan O, Roldán-Alzate A, Consigny DW, Gunderson M, Dailey SH, Francois CJ, Chesler NC. Pulmonary artery relative area change is inversely related to ex vivo measured arterial elastic modulus in the canine model of acute pulmonary embolization. J Biomech. 2014 Sep 22;47(12):2904-10.

  10. Markovic LE, Kellihan HB, Roldán-Alzate A, Drees R, Bjorling DE, Francois CJ. Advanced multimodality imaging of an anomalous vessel between the ascending aorta and main pulmonary artery in a dog. J Vet Cardiol. 2014 Mar;16(1):59-65.

  11. Kellihan HB, Stepien RL. Pulmonary hypertension in canine mitral insufficiency. 
    J Vet Cardiol.  2012 Mar;14(1):149-64.  Epub 2012 Feb 24.  Erratum in: J Vet Cardiol.  2012 Jun;14(2)387.  Invited Review.
  12. Kellihan HB, MacKie BA, Stepien RL. NT-proBNP, NT-proANP and cTnI concentrations in dogs with pre-capillary pulmonary hypertension.  J Vet Cardiol. 2011 Sep; 13(3): 171-82.  Epub 2011 Aug 10. 
  13. Kellihan HB, Stepien RL. Pulmonary Hypertension: Diagnosis and Therapy.  Abbott J (ed): Veterinary Clinics of North America Small Animal Practice.  2010 July;40(4):623-41.
  14. Kellum HB, Stepien RL.  Sildenafil Citrate Therapy in 22 Dogs with Pulmonary Hypertension.  J Vet Int Med. 2007 Nov-Dec;21(6):1258-1264.