Dr. Tareq Abadl: Low-Titer Group O Whole Blood – Faster, Simpler Resuscitation for Severe Hemorrhage
Tareq Abadl, Medical Laboratory Specialist and Director of the Blood Bank at Dr. Abdelkader Al-Mutawakkil Hospital, shared a post on LinkedIn:
“Low-Titer Group O Whole Blood (LTOWB)
Faster, simpler resuscitation for severe hemorrhage
What it is
Whole blood from low-titer group O donors, containing RBCs + plasma + platelets in a single unit. Can be issued immediately when patient blood type is unknown—critical in massive bleeding.
Why it matters in trauma care?
- Speed: One product, rapid release → shorter time to first transfusion
- Physiology: Delivers balanced hemostatic resuscitation from the start
Evidence: Observational studies and cohort analyses link earlier LTOWB with lower early mortality and faster resuscitation vs component therapy
- Operational advantages
- Simplified logistics: Replace multiple components with one unit
- Prehospital-ready: Suits EMS, aeromedical, and austere settings
- Inventory efficiency: Streamlined storage and deployment pathways
Safety and evidence status
Reassuring safety signals in civilian use so far
Ongoing RCTs clarifying superiority vs equivalence to components
- Key policy decisions:
Anti-A/B titer thresholds
Leukoreduction strategy
Hemovigilance and outcome tracking
Supply balance to avoid shortages
- Practical implementation notes
- Define indications: Major hemorrhage, prehospital trauma, MTP entry
- Specify product: Titer limits, leukoreduction (if used), storage conditions
- Train teams: Ordering, handling, documentation (ED, OR, EMS)
- Coordinate early: Transfusion committee + regional blood services
Bottom line
LTOWB is a pragmatic, evidence-informed tool that shortens time to transfusion and simplifies hemorrhage resuscitation. It complements—not replaces—component therapy. Adoption should be guided by local epidemiology, supply logistics, and formal policy.

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