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Barriers to prehospital whole blood implementation

Drs. Christine Carico and Matt Levy reveal why lifesaving blood transfusions remain rare in EMS care — and what needs to change to save more lives

In this episode of EMS One-Stop, host Rob Lawrence is joined by Dr. Christine Carico and Dr. Matt Levy to discuss the peer-reviewed paper, The paper, published in “Transfusion” in April 2025, explores the use of blood products in prehospital trauma care.

Despite the proven benefits of blood transfusion in the field, their research uncovers the alarming reality that less than 1% of eligible patients receive prehospital blood products. This conversation dives into the study’s methodology, key findings and the significant barriers EMS systems face in implementing blood transfusion protocols. The discussion also touches on the evolving role of EMS in trauma care, regional variations in blood product access, and the future of prehospital blood transfusion programs.

Dr. Carico and Dr. Levy break down their work and reflect on the data, explaining how the study used National Emergency Medical Services Information System (NEMSIS) data to identify trauma patients who would have benefited from blood transfusions.

The episode delves into the operational challenges EMS systems face in obtaining and administering blood products in the field, the financial and logistical obstacles, and the potential life-saving impact of more widespread adoption of these protocols.

Memorable quotes

  • “In our study, we identified 1.2 million patients who were potentially eligible for prehospital blood products, but less than 1% actually received them.” — Dr. Christine Carico
  • “The biggest single barrier has been getting access to blood. It’s one of the most precious commodities we deal with, and overcoming that barrier is key.” — Dr. Matt Levy
  • “EMS is at the tip of the spear of the acute care health system, and our role in the delivery of prehospital blood products is a critical part of that care.” — Dr. Matt Levy
  • “While the study focused on trauma, the evidence is clear: early blood transfusions can benefit medical patients as well, particularly those suffering from hemorrhagic conditions.” — Dr. Matt Levy
  • “The data we have shows that prehospital blood programs are not just life-saving for trauma patients, but they could benefit a larger number of patients if we expand the criteria for blood product use.” — Dr. Christine Carico
  • “At the end of the day, EMS is about logistics, and if we can master the logistical side of things, implementing blood transfusion protocols will be much more feasible.” — Rob Lawrence

Timeline

  • 00:00 – Intro and welcome: Rob Lawrence introduces Dr. Matt Levy and Dr. Christine Carico, setting up the discussion on prehospital blood product use
  • 03:00 – Study overview: Dr. Carico explains the methodology of the study, focusing on the use of NEMSIS data and the inclusion criteria for the patient population
  • 07:00 – Key findings: Dr. Carico reveals the key findings of the paper, including the low percentage of eligible patients receiving prehospital blood products
  • 11:00 – Barriers to implementation: Dr. Levy discusses the main barriers to the widespread implementation of blood transfusion protocols in the field, including access to blood, logistics and training
  • 17:00 – Regional variations: The speakers touch on the regional disparities in blood product availability and the differences in protocols across the country
  • 23:00 – Data challenges: Dr. Levy and Dr. Carico discuss the challenges related to data accuracy, particularly in terms of blood product documentation
  • 27:00 – Cost and reimbursement: Dr. Levy addresses the financial aspects of blood product programs, including cost, reimbursement challenges and funding opportunities
  • 32:00 – The future of blood transfusion in EMS: Dr. Levy envisions the future of prehospital blood transfusion programs, including the potential for shelf-stable blood products and regional blood supply systems
  • 37:00 – Closing thoughts: Both guests offer their final thoughts on the importance of continued research and data collection, and the need for EMS to embrace a more integrated role in acute care

Additional whole blood resources:

Previously on EMS One-Stop
From off-grid residents to 96-hour response timelines, Deputy Director Tracey Loscar shares how Alaskan EMS plans for volcanic eruptions, extreme remoteness and respiratory threats

Rob Lawrence has been a leader in civilian and military EMS for over a quarter of a century. He is currently the director of strategic implementation for PRO EMS and its educational arm, Prodigy EMS, in Cambridge, Massachusetts, and part-time executive director of the California Ambulance Association.

He previously served as the chief operating officer of the Richmond Ambulance Authority (Virginia), which won both state and national EMS Agency of the Year awards during his 10-year tenure. Additionally, he served as COO for Paramedics Plus in Alameda County, California.

Prior to emigrating to the U.S. in 2008, Rob served as the COO for the East of England Ambulance Service in Suffolk County, England, and as the executive director of operations and service development for the East Anglian Ambulance NHS Trust. Rob is a former Army officer and graduate of the UK’s Royal Military Academy Sandhurst and served worldwide in a 20-year military career encompassing many prehospital and evacuation leadership roles.

Rob is the President of the Academy of International Mobile Healthcare Integration (AIMHI) and former Board Member of the American Ambulance Association. He writes and podcasts for SAʴý and is a member of the SAʴý Editorial Advisory Board. Connect with him on .