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Evolution in indications for blood component transfusion.

T L Simon1

  • 1Blood Systems, Inc., Scottsdale, Arizona.

Clinics in Laboratory Medicine
|December 1, 1992
PubMed
Summary
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Blood component transfusion decisions rely on clinical assessment and lab data, with a need to limit prophylactic use. Future red cell transfusion may use oxygen utilization alongside hemoglobin levels, while hemostasis transfusion requires more research.

Area of Science:

  • Transfusion Medicine
  • Hematology
  • Perioperative Care

Background:

  • Current indications for blood components integrate clinical assessment and laboratory data.
  • Perioperative transfusion decisions sometimes precede laboratory results.
  • Minimizing prophylactic or expectant blood component use is crucial to prevent inappropriate transfusions.

Purpose of the Study:

  • To review current and evolving indications for blood component therapy.
  • To highlight the need for evidence-based transfusion practices.
  • To address challenges in perioperative transfusion and transfusion for hemostasis.

Main Methods:

  • Review of current transfusion practices and guidelines.
  • Discussion of emerging technologies and research in transfusion medicine.

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  • Analysis of the balance between clinical judgment and laboratory data.

    • Main Results:

    • Physiologic indices of oxygen utilization may soon complement hemoglobin/hematocrit for red cell transfusion decisions.
    • Progress in transfusion for hemostasis remains limited, necessitating further investigation.
    • Nationally accepted guidelines exist to aid clinicians in the interim.

    Conclusions:

    • Transfusion decisions require a judicious combination of clinical assessment and laboratory data.
    • Further well-designed clinical studies are essential to refine transfusion practices, particularly for hemostasis.
    • Adherence to established guidelines is recommended while awaiting new evidence.