Education

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

Research

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

Responsibilities

Clinical Assistant Professor of Cardiology

Clinical Interests

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

Recent Publications

Kellihan HB, Stepien RL. Pulmonary Hypertension: Diagnosis and Therapy. Abbott J (ed): Veterinary Clinics of North America.
In Press, March 2010.

Chun R, Kellihan HB, Henik R, Stepien RL. Comparison of cardiac troponin I among dogs with cardiac hemangiosarcoma, visceral hemangiosarcoma, other neoplasia, and pericardial effusion of non-hemangiosarcoma origin
In Press, J Am Vet Med Assoc, October 2009.

MacKie BA, Stepien RL, Kellihan HB. Retrospective analysis of an insertable loop recorder for evaluation of syncope, collapse, or intermittent weakness in 23 dogs (2004-2008). Journal of Veterinary Cardiology. 2010 Apr; 12(1):25-33. Epub 2010 Mar 29.

Kellihan HB. Pulmonary Hypertension and Pulmonary Thromboembolism. In: Ettinger SJ and Feldman EC (eds). Textbook of Veterinary Internal Medicine 7th edn. St. Louis: Saunders Elsevier; 2010. p. 1138-1141.

Kellihan HB. NT-proBNP elevation in dogs with non-cardiac related pulmonary hypertension. Proceedings, 27th Annual ACVIM Forum, Montreal, QC, June, 2009.

Kellihan HB, Oyama MA, Reynolds CA, Stepien RL. Weekly variability of plasma and serum NT-proBNP measurements in normal dogs. J Vet Cardiol. 2009 May;11 Suppl 1:S93-7.

Fox PR, Oyama MA, Reynolds C, Rush JE, DeFrancesco TC, Keene BW, Atkins CE, MacDonald KA, Schober KE, Bonagura JD, Stepien RL, Kellihan HB, Nguyenba TP, Lehmkuhl LB, Lefbom BK, Moise NS, Hogan DF. Utility of plasma N-terminal pro-brain natriuretic peptide (NT-proBNP) to distinguish between congestive heart failure and non-cardiac causes of acute dyspnea in cats. J Vet Cardiol. 2009 May;11 Suppl 1:S51-61.

Kellihan HB, Oyama MA, Reynolds CA, Stepien RL. Weekly variability of plasma and serum NT-proBNP measurements in normal dogs (abstract). J Vet Intern
Med 2008:22; 3:758.

Kellihan HB. Pulmonary Hypertension: Are You Missing the Diagnosis? Proceedings, 26th Annual ACVIM Forum, San Antonio, TX, June, 2008.

Kellum HB, Stepien RL. Sildenafil Citrate Therapy in 22 Dogs with Pulmonary Hypertension. J Vet Int Med. 2007 Nov-Dec;21(6):1258-1264.

Kellum HB, Stepien RL. Third degree atrioventricular block in 21 cats (1997-2004). J Vet Int Med. 2006 Jan-Feb; 20(1): 97-103.

Schmiedt C, Kellum H, Legendre AM, Gompf RE, Bright JM, Houle CD, Schutten M, Stepien R. Cardiovascular involvement in 8 dogs with blastomyces dermatitidis infection. J Vet Int Med. 2006 Nov-Dec; 20(6): 1351-4.

Henik RA, Kellum HB, Bentjen SA, Mealey KL. Digoxin and mexiletine sensitivity in a Collie with the MDR1 mutation. J Vet Int Med. 2006 Mar-Apr; 20(2): 415-7.

Kellum HB. Clinical presentation and long-term outcome in 21 cats with third degree atrioventricular block (1997-2004) (abstract). J Vet Int Med 2005:19: 6: 946.