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Hematologic Disorders: Sickle Cell Disease.

David Baltierra1, Tiffany Harper1, Matthew Page Jones1

  • 1West Virginia University School of Medicine Robert C. Byrd Health Sciences Center-Eastern Division, 2500 Foundation Way, Martinsburg, WV 25401.

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|June 17, 2015
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Summary
This summary is machine-generated.

Sickle cell disease (SCD) is an inherited blood disorder causing red blood cells to sickle, leading to vasoocclusion and severe pain. Early detection and management, including hydroxyurea, are crucial for reducing complications and improving patient outcomes.

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Area of Science:

  • Hematology
  • Genetics
  • Pediatrics

Background:

  • Sickle cell disease (SCD) is the most prevalent inherited hemoglobinopathy in the US.
  • It is characterized by autosomal recessive inheritance of hemoglobin S, leading to red blood cell sickling.
  • Deoxygenated hemoglobin S forms rigid polymers, causing sickle-shaped red blood cells, increased viscosity, and vasoocclusion.

Purpose of the Study:

  • To summarize the key aspects of sickle cell disease, including its pathophysiology, complications, and current management strategies.
  • To highlight the importance of early detection through newborn screening and prophylactic measures.
  • To discuss the role of hydroxyurea and other therapeutic interventions in managing SCD.

Main Methods:

  • Review of existing literature on sickle cell disease.
  • Analysis of diagnostic and management protocols.
  • Synthesis of information on complications and treatment efficacy.

Main Results:

  • Universal newborn screening enables early detection of SCD.
  • Prophylactic penicillin and pneumococcal immunization significantly reduce the risk of serious infections.
  • Hydroxyurea therapy is effective in decreasing sickling and vasoocclusive crises.
  • Vasoocclusive crises, acute chest syndrome, stroke, and anemia are common complications.
  • Pregnancy in women with SCD carries increased maternal-fetal risks.

Conclusions:

  • Early detection and comprehensive management are vital for improving outcomes in sickle cell disease.
  • Hydroxyurea is a key therapeutic agent for reducing disease severity and complications.
  • Ongoing research and monitoring are essential for addressing the multifaceted challenges of SCD.