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[Infection and sickle cell anemia].

P Bégué1

  • 1Service de Pédiatrie, Médecine et Maladies Infectieuses, Hôpital Trousseau, Paris, France.

Pathologie-Biologie
|March 19, 1999
PubMed
Summary

Sickle cell disease patients are prone to severe infections. Prophylactic penicillin and vaccinations significantly reduce early mortality and infections like pneumococcal disease.

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Area of Science:

  • Hematology
  • Infectious Diseases
  • Immunology

Context:

  • Sickle cell disease (SCD) impairs immune function and causes functional asplenia, increasing infection risk.
  • Infections in SCD can precipitate severe complications, including vasoocclusive crises and acute chest syndrome.
  • Specific pathogens like Streptococcus pneumoniae and Salmonella pose significant threats.

Purpose:

  • To review the spectrum of infections in sickle cell disease.
  • To outline current prophylactic and therapeutic strategies for infection management.
  • To emphasize the importance of early and continuous preventive measures.

Summary:

  • SCD patients face high risks of bacterial infections (pneumonia, bacteremia, meningitis) and other serious conditions like osteomyelitis and parvovirus B19.
  • Prophylactic penicillin therapy initiated at four months and comprehensive immunizations are crucial for reducing mortality.
  • Antimicrobials should target common pathogens, and conjugated pneumococcal vaccines are highly effective in infants.

Impact:

  • Effective infection prevention dramatically decreases early mortality in sickle cell disease.
  • Long-term penicillin prophylaxis and vaccination are essential components of SCD management.
  • Understanding infection risks guides optimal patient care and improves long-term outcomes.

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