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Tagreed Alkaltham: Transfusion Reaction – Understanding Risk and Acting Early
Feb 27, 2026, 17:41

Tagreed Alkaltham: Transfusion Reaction – Understanding Risk and Acting Early

Tagreed Alkaltham, Transfusion Medicine Lab Supervisor at KSMC, shared a post on LinkedIn:

”Transfusion Reaction

Understanding the Risk. Acting Early. Protecting Patients.

A transfusion reaction is any unexpected sign or symptom occurring during or shortly after the administration of blood or blood components, and temporally related to transfusion.

  • It may be mild and self-limited.
  • It may also be life-threatening.

Early recognition is a patient safety priority.

What are the main types

Acute Hemolytic Transfusion Reaction (AHTR):

  • Usually due to ABO incompatibility, often related to identification error.
  • Symptoms may include chills, back pain, hypotension, dark urine, fever and shock.
  • This is a medical emergency.

Febrile Non-Hemolytic Transfusion Reaction (FNHTR):

  • Characterized by fever (≥1°C rise) and chills.
  • Common and usually not life threatening, but requires evaluation.

Allergic Reaction:

  • Ranges from mild urticaria and itching.
  • to severe anaphylaxis with hypotension and airway compromise.

TRALI (Transfusion-Related Acute Lung Injury):

  • Acute respiratory distress within 6 hours of transfusion.
  • Hypoxia and bilateral pulmonary infiltrates without circulatory overload.

TACO (Transfusion-Associated Circulatory Overload):

  • Volume overload presenting with dyspnea, hypertension, and pulmonary edema.
  • More common in elderly or cardiac patients.

Delayed Hemolytic Transfusion Reaction (DHTR):

  • Occurs days after transfusion.
  • Presents as an unexpected drop in hemoglobin and sometimes mild jaundice.

What should be done immediately if a reaction is suspected

When a reaction is suspected:

  • Stop the transfusion immediately
  • Maintain IV access with normal saline
  • Stabilize the patient
  • Recheck patient identity and blood unit details
  • Monitor vital signs
  • Inform the physician
  • Notify the blood bank immediately

Never ignore new symptoms during transfusion.

The first minutes determine the trajectory.

What should be done after stabilization

After stabilization comes responsibility:

  • Proper documentation
  • Completion of transfusion reaction report
  • Communication with blood bank for post transfusion work up
  • Clinical follow up planning
  • Review of transfusion indication and future precautions

A transfusion reaction is not only a clinical event. It is a system signal.

A transfusion reaction is not merely an adverse event.
It is a moment that tests identification systems, communication pathways, and clinical vigilance.

In transfusion medicine,

  • precision protects.
  • Governance prevents.
  • And vigilance saves lives.

We should build systems designed to reduce the probability of harm.

Strong systems prevent recurrence.

Vigilance protects patients.”

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