One out of three fellows attending the medical school classes of 2018-2020 indicated they were interested in hematology-only careers, with only 4% indicating an interest in focusing on non-malignant hematology. This is one of the conclusions of a survey of U.S. hematology-oncology fellows.

The study results also suggest that medical school plays a key role in shaping their interest in pursuing careers in hematology, indicating that when students are exposed to hematology and oncology as part of core clerkships in internal medicine and pediatrics, their interests peaks.

The study, funded by the American Society of Hematology (ASH), the world’s largest professional society of hematologists and published in Blood Advances, also suggested that having a hematologist as a mentor during medical education and training is associated with an increased likelihood of fellows specializing in hematology when they complete their hematology-oncology fellowship.

“These findings give us a better understanding of why trainees pursue hematology and suggests ways we can be proactive to ensure the supply of hematologists keeps up with demand, particularly in non-malignant blood diseases, such as sickle cell disease, hemophilia, and other bleeding and clotting disorders,” said Alfred Lee, MD., Ph.D, senior author of the study and a hematologist at Yale School of Medicine in New Haven, Connecticut.

Lee leads the recruitment and retention working group at American Society of Hematology, which was created to examine the workforce and spearhead the Society’s efforts to ensure a strong pipeline of talent in hematology, specifically non-malignant hematology.

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The review article, is the first report of a three-year longitudinal study that began in 2018 in partnership with the Fitzhugh Mullan Institute for Health Workforce Equity at George Washington University in Washington, DC.

A total of 44.7% of 1,899 U.S. hematology/oncology fellows were surveyed, representing the classes of 2018-2020. Responses were equally distributed across the three years of fellowship.

Researchers compared the educational, mentorship, and job market experiences among fellows who planned to enter hematology-only careers (encompassing both malignant and non-malignant hematology), oncology-only careers (focused on malignant hematology and solid tumors), or both/undecided specialties.

The study found that 42% of fellows first considered a career in hematology-oncology before or during medical school, while 32% first considered these career types during residency.

Other key findings include:

  • A total of 36% of fellows reported having a hematology-oncology rotation as part of their core internal medicine or pediatrics clerkships in medical school.
  • Fellows who co-authored papers or engaged in other research related activities with mentors in hematology were significantly more likely to pursue careers in hematology than fellows who did not have those types of mentorship experiences.
  • Fellows who planned to pursue careers focused in hematology were significantly more likely to have been encouraged to pursue a career in hematology during internal medicine residency training and to have had increased clinical exposure to hematology during fellowship.

Training landscape

Over the past 25 years, the fellowship training landscape has changed dramatically. While in 1995 there were 74 accredited U.S. hematology training programs and 75 hematology-oncology programs, in 2018, there were only two single-specialty hematology programs compared to 146 combined hematology-oncology programs.

“The changing landscape of hematology fellowship programs over time is a concern for ASH, as fellows may not be receiving adequate preparation and exposure to hematology patients with non-malignant diseases, which are often complex and require specific expertise to manage,” Lee said.

“This effort demonstrates that the Society is being proactive in ensuring the future of the field is strong. Already, ASH has committed to several initiatives to address the issues highlighted by the survey results,” he added.

Based on these initial findings, the American Society of Hematology will hold two summits in 2020. One summit will focused on strategies for increasing the number of single-track hematology fellowship programs, and another focused on strengthening mentorship.

The organization has also expanded its Ambassadors Program, which enlists faculty members at institutions to serve as formal representatives to promote the Society’s career development and training programs to trainees.

“By conducting this survey of hematology and oncology fellows, ASH gained important actionable insights on how to foster interest in the field, such as increasing the availability of mentorship programs and identifying strategies for increasing exposure to hematology and oncology during medical school,” explained Clese Erikson, M.P.Aff., Principal Investigator of the ASH workforce study, and lead research scientist at the Fitzhugh Mullan Institute for Health Workforce Equity at George Washington University.

Earlier this year, the American Society of Hematology and the Fitzhugh Mullan Institute for Health Workforce Equity at George Washington University surveyed 2,500 randomly selected licensed U.S. hematology-oncology practitioners. The survey results and analysis are forthcoming.

In addition, the American Society of Hematology and the Fitzhugh Mullan Institute for Health Workforce Equity at George Washington University are in the process of collecting data for year two of the study, which includes surveying all of ASH’s US resident and medical student members, and re-surveying the fellowship class of 2020 (now in its second year of fellowship) and the fellowship graduating class of 2018 (now in the workforce) to understand how career preferences may change over time.

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