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Crises in Sickle Cell Disease.

Enrico M Novelli1, Mark T Gladwin2

  • 1Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA; Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA.

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|February 3, 2016
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Summary
This summary is machine-generated.

Sickle cell disease (SCD) crises cause significant illness and early death. Prompt recognition and management of acute complications, including blood transfusions and extended red blood cell matching, are critical for patient survival.

Keywords:
acute chest syndromered blood cellssickle cell diseasetransfusion

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Area of Science:

  • Hematology
  • Internal Medicine
  • Critical Care Medicine

Background:

  • Sickle cell disease (SCD) crises lead to high morbidity and mortality despite treatment advances.
  • Acute SCD events, often starting as pain crises, are primary risks for life-threatening complications.
  • Pathophysiology involves end-organ ischemia, infarction, and hemolysis due to red blood cell sickling, superimposed on chronic vasculopathy and immune dysregulation.

Purpose of the Study:

  • To highlight the critical need to understand SCD patient susceptibility to acute complications and their risk factors.
  • To emphasize prompt recognition and effective management strategies for acute SCD complications.
  • To present and discuss recommendations for safe and efficient blood transfusion strategies in critical care settings for severe acute crises.

Main Methods:

  • Review of current understanding of SCD pathophysiology and acute complications.
  • Analysis of risk factors contributing to severe acute events in SCD.
  • Discussion of blood transfusion strategies, including extended phenotypic matching, and their implementation in critical care.

Main Results:

  • Acute chest syndrome is a severe lung complication, but all organ systems are vulnerable.
  • Blood transfusions are the primary therapy for severe acute SCD crises.
  • Extended phenotypic red blood cell matching is crucial due to high rates of alloimmunization complications.

Conclusions:

  • Understanding SCD patient susceptibility and risk factors is vital for timely recognition and management of acute complications.
  • Effective transfusion strategies, particularly extended matching, are essential for mitigating severe complications and improving outcomes in SCD patients.
  • Continued research into therapeutic alternatives alongside optimized transfusion protocols is necessary for advancing SCD critical care.