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Transfusion associated circulatory overload.

Naveen Agnihotri1, Ajju Agnihotri2

  • 1Department of Transfusion Medicine, Fortis Hospital, New Delhi, India.

Indian Journal of Critical Care Medicine : Peer-Reviewed, Official Publication of Indian Society of Critical Care Medicine
|July 3, 2014
PubMed
Summary
This summary is machine-generated.

Transfusion-associated circulatory overload (TACO) is an underdiagnosed blood transfusion complication. Early suspicion in at-risk patients is crucial for timely management and improved outcomes.

Keywords:
Blood transfusionblood transfusion reactionrisk factorstransfusion associated circulatory overload

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Area of Science:

  • Medicine
  • Critical Care Medicine
  • Hematology

Background:

  • Transfusion-associated circulatory overload (TACO) is a recognized complication of blood product administration.
  • TACO is frequently underdiagnosed and underreported, potentially due to complex underlying mechanisms.
  • Risk factors for TACO include pre-existing cardiovascular or renal conditions.

Observation:

  • A 46-year-old patient with diabetes and hypertension developed TACO symptoms after receiving packed red blood cells (RBC) and fresh frozen plasma.
  • The complication manifested after a small volume of the fourth RBC unit was transfused.
  • The patient required intensive care unit admission for management.

Findings:

  • TACO can occur even with relatively small volumes of blood products in susceptible individuals.
  • The pathophysiology of TACO is multifactorial and not fully elucidated.
  • Clinical presentation includes signs and symptoms indicative of fluid overload and respiratory distress.

Implications:

  • Increased clinical suspicion for TACO is warranted in patients receiving blood transfusions, especially those with risk factors.
  • Prompt diagnosis and management of TACO can reduce patient morbidity and length of hospital stay.
  • Further research into TACO's etiology may improve diagnostic accuracy and preventative strategies.