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Urgent Alert: Universal Donor Blood Critically Low
25 Mar
Summary
- O-negative blood, crucial for emergencies, has low supplies.
- Demand for O-negative blood exceeds limited supply since 2019.
- Doctors urged to use O-positive blood for most male patients.
Blood banks are reporting critically low supplies of O-negative blood, a vital universal donor type needed for medical emergencies when a patient's blood type is unknown. These shortages have been ongoing annually since 2019. The American Red Cross is even offering incentives to encourage donations.
Anesthesiologists administer a significant portion of blood transfusions, and a recent study suggests they can help conserve O-negative blood. The recommendation is to use more readily available O-positive blood for emergency transfusions in males and females unlikely to become pregnant, as the risk of an immune response is generally low.
O-negative blood should be reserved for women of childbearing potential and individuals with O-negative blood types to mitigate risks to future pregnancies. The study also advocates for rapid blood typing in emergencies to switch patients to their specific blood type as soon as possible, thereby strengthening the national blood supply.
