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  Faculty
Mary Beth Callan V.M.D., Dipl. A.C.V.I.M.
Associate Professor of Medicine, Clinician Educator

Department of Clinical Studies -Philadelphia
3900 Delancey Street
School of Veterinary Medicine
University of Pennsylvania
Philadelphia, PA   19104-6010
Qualifications

1988 VMD, University of Pennsylvania, Philadelphia, PA
1992 Diplomate, American College of Veterinary Internal Medicine
1988-1989 Small Animal Internship, University of Pennsylvania
1989-1991 Small Animal Medicine Residency, University of Pennsylvania
1991-1994 Transfusion Medicine Fellowship, University of Pennsylvania

Memberships

American Veterinary Medical Association
American College of Veterinary Internal Medicine
Association of Veterinary Hematology and Transfusion Medicine
American Society of Hematology

Clinical Interests
Hematology, transfusion medicine
Research Interests
Hemostatic disorders
Selected Publications
Callan MB, Jones LT, Giger U: Hemolytic transfusion reactions in a dog with an alloantibody to a common antigen. J Vet Intern Med 1995;9:277-279.

Callan MB, Bennett JS, Phillips DK, Haskins ME, Hayden JE, Anderson JG, Giger U: Inherited platelet-storage pool disease in dogs causing severe bleeding: an animal model for a specific ADP deficiency. Thromb Haemost 1995;74:949-953.

Callan MB, Shofer FS, Wojenski C, Giger U., Chrono-lume® and magnesium potentiate aggregation of canine but not human platelets in citrated platelet-rich plasma. Thromb Haemost 1998;80:176-180.

Callan MB, Griot-Wenk ME, Hackner SG, Giger U. Persistent thrombopathy causing bleeding in 2 domestic shorthaired cats. J Vet Intern Med 2000;14:217-220.

Callan MB, Giger U. Assessment of a point-of-care instrument for identification of primary hemostatic disorders in dogs. Am J Vet Res 2001;62:652-658.

Callan MB, Walton R, Jezyk PF, Giger U. Thrombopathies causing bleeding in a Boxer and mixed breed dog. J Am Anim Hosp Assoc 2001;37:244-250.

Rozanski EA, Callan MB, Hughes D, Sanders N, Giger U. Comparison of platelet count recovery with use of vincristine and prednisone or prednisone alone for treatment for severe immune-mediated thrombocytopenia in dogs. J Am Vet Med Assoc 2002;220:477481.

Gibson GR, Callan MB, Hoffman V, Giger U. Initial clinical experience with a hemoglobin-based oxygen-carrying solution in cats: 72 cases (1998-2000). J Am Vet Med Assoc 2002;221:96-102.

Callan MB, Giger U.  Effect of desmopressin acetate administration on primary hemostasis in Doberman Pinschers with type 1 von Willebrand disease as assessed by a point-of-care instrument.  Am J Vet Res 2002;63:1700-1706.

Callan MB, Giger U, Catalfamo JL.  Effect of desmopressin on von Willebrand factor multimers in Doberman Pinschers with type 1 von Willebrand disease: Plasma collagen binding activity and multimer analysis.  Am J Vet Res 2005;66:861-867.