Dr. Madeleine Verhovsek

Division of Hematology & Thromboembolism

Madeleine Verhovsek


Associate Professor, Division of Hematology and Thromboembolism, Departments of Medicine and Pathology and Molecular Medicine

Consultant Laboratory Hematologist, Red Cell Disorders Laboratory, Hamilton Regional Laboratory Medicine Program




Education and Professional Standing

Dr. Verhovsek obtained her medical degree from McMaster University in 2004, and then went on to complete both Internal Medicine (2007) and Adult Hematology (2009) residencies at McMaster University.  She has completed a Fellowship in Hemoglobinopathy at Boston University in Massachusetts, USA.  Dr. Verhovsek has been an assistant professor in the department of Medicine at McMaster University as of October 2010.  She is director of the adult hemoglobinopathy program in the McMaster Hemoglobinopathy Clinic, and works as a Consultant Hematologist at St. Joseph’s Healthcare Hamilton providing care to out-patients and in-patients with a spectrum of primarily benign hematologic conditions.

Research Interests

Sickle cell disease; thalassemia; other hemoglobinopathies and red cell disorders; transition of care in adolescence; medical education;  global health; iron overload and chelation; thombosis

Selected Publications

  1. Verhovsek M, Shah NR, Wilcox I, Koenig SC, Barros T, Thornburg CD, Steinberg MH, Luo HY, Chui DH. Severe fetal and neonatal hemolytic anemia due to a 198 kb deletion removing the complete ß-globin gene cluster. Pediatric Blood and Cancer 2012;59:941–944.
  2. Verhovsek M, McFarlane A. Abnormalities in Red Blood Cells. Principles and Practice of Hospital Medicine, 1st edition; McKean S, Eds.; McGraw-Hill Professional: United States, 2012.
  3. Verhovsek M, So CC, O’Shea T, Gibney GT, Ma ES, Steinberg MH, Chui DH. Is HbA2 level a reliable diagnostic measurement for ß-thalassemia trait in people with iron deficiency? American Journal of Hematology. 2012 Jan; 87(1):114-6.
  4. Verhovsek MM, Steinberg MH. Sickle Cell Disease as a Multifactorial Condition, September 2010. In: Encyclopedia of Life Sciences (ELS). John Wiley & Sons, Ltd: Chichester.
  5. Verhovsek M, Henderson MPA, Cox G, Luo HY, Steinberg MH, Chui DHK. Unexpectedly low pulse oximetry measurements associated with variant hemoglobins: A systematic review, American Journal of Hematology. 2010;85(11):882-885.
  6. Verhovsek M, Douketis JD, Yi Q, Shrivastava S, Tait RC, Baglin T, Poli D. Systematic review: D-dimer to predict recurrent disease after stopping anticoagulant therapy for unprovoked venous thromboembolism. Annals of Internal Medicine. 2008 Oct 7;149(7):481-90.
  7. Verhovsek M, Motlagh B, Crowther M, Courtney K, Dolovich L, Campbell G, Wang L Papaioannou A. Quality of Anticoagulation and Use of Warfarin-Interacting Medications in Long-Term Care: A Chart Review. BMC Geriatrics. 2008;3(8):13-18.
  8. Verhovsek M, Moffat KA, Hayward CPM. Laboratory testing for fibrinogen abnormalities. American Journal of Hematology. 2008;83:928–931.