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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
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Transfusion Thresholds in Patients With Neurological Injury: Balancing Oxygen Delivery and Risk.

Cara Rathmell1, Susana Vacas

  • 1Department of Anesthesiology, Mass General Brigham, Harvard Medical School, Boston, MA.

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|May 1, 2025
PubMed
Summary
This summary is machine-generated.

Balancing red blood cell transfusion for brain injury patients is complex. While restrictive protocols are common, evidence suggests a restrictive approach may be non-inferior, with higher thresholds for specific subgroups.

Keywords:
cerebral oxygenationhemoglobinneurocritical careneurological outcomesrestrictive transfusionsubarachnoid hemorrhagetransfusiontransfusion thresholdstraumatic brain injury

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Area of Science:

  • Neurocritical care
  • Transfusion medicine
  • Neurology

Background:

  • Optimizing oxygen delivery to the injured brain is critical in neurocritical care.
  • Anemia poses risks like cerebral hypoxia, potentially worsening neurological outcomes.
  • Transfusion carries risks including thrombosis, immune modulation, and increased intracranial pressure.

Purpose of the Study:

  • To review current evidence on transfusion strategies in neurocritically ill patients.
  • To examine the debate surrounding restrictive versus liberal transfusion protocols in this population.
  • To identify key areas for future research in neurocritical care transfusion management.

Main Methods:

  • Focused review of existing literature on transfusion strategies in neurocritical care.
  • Analysis of studies comparing liberal and restrictive transfusion approaches.
  • Examination of evidence regarding specific patient subgroups and transfusion thresholds.

Main Results:

  • Studies comparing transfusion strategies in neurocritical care have produced mixed results.
  • Most evidence suggests non-inferiority of restrictive transfusion approaches.
  • Consideration of higher transfusion thresholds for particular subgroups is warranted.

Conclusions:

  • Transfusion strategies in neurocritical care must balance oxygen delivery with transfusion risks.
  • Restrictive protocols appear generally safe but require individualized consideration.
  • Further research is needed to refine optimal transfusion thresholds for neurocritically ill patients.