Kathryn L. Hassell, MD

Professor of Medicine, University of Colorado School of Medicine
Director, Colorado Sickle Cell Treatment and Research Center

University of Colorado Denver
Department of Medicine, Division of Hematology
13121 E. 17th Avenue, C-222
Aurora, CO 80045


Kathryn Hassell attended the University of Minnesota Medical School, Minneapolis. She completed her residency at North Carolina Memorial Hospital, Chapel Hill and her fellowship in Hematology/Oncology at the University of Colorado School of Medicine, Denver. Her clinical interests are in coagulation disorders and anticoagulation management, hemoglobinopathies including sickle cell disease, and hematology support of the Bloodless Surgery Program.

Selected Bibliography:

Savage WJ, Buchanan GR, Yawn BP, Afenyi-Annan AN, Ballas SK, Goldsmith JC, Hassell KL, James AH, John-Sowah J, Jordan L, Lottenberg R, Murad MH, Ortiz E, Tanabe PJ, Ware RE, Lanzkron SM.
Evidence gaps in the management of sickle cell disease: A summary of needed research.
Am J Hematol. 2015;90(4):273-5. PubMed abstract

Anderson M, Hassell KL, Trujillo TC, Wolfe B.
When patients on target-specific oral anticoagulants need surgery.
Cleve Clin J Med. 2014;81(10):629-39. PubMed abstract

Yawn BP, Buchanan GR, Afenyi-Annan AN, Ballas SK, Hassell KL, James AH, Jordan L, Lanzkron SM, Lottenberg R, Savage WJ, Tanabe PJ, Ware RE, Murad MH, Goldsmith JC, Ortiz E, Fulwood R, Horton A, John-Sowah J.
Management of sickle cell disease: summary of the 2014 evidence-based report by expert panel members.
JAMA. 2014;312(10):1033-48. PubMed abstract
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Hassell KL, Afenyi-Annan A, Ballas SK, Buchanan GR, Eckman JR, Jordan L, Lanzkron S, Lottenberg R, Ware R.
Practice guideline for pulmonary hypertension in sickle cell: direct evidence needed before universal adoption.
Am J Respir Crit Care Med. 2014;190(2):237-8. PubMed abstract

Hassell KL.
Population estimates of sickle cell disease in the U.S.
Am J Prev Med. 2010;38(4 Suppl):S512-21. PubMed abstract