Which organisms pose the greatest risk for infection in sickle cell disease (SCD)?

Updated: May 12, 2021
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Organisms that pose the greatest danger include encapsulated respiratory bacteria, particularly Streptococcus pneumoniae. The mortality rate of such infections has been reported to be as high as 10-30%. Consider osteomyelitis when dealing with a combination of persistent pain and fever. Bone that is involved with infarct-related vaso-occlusive pain is prone to infection. Staphylococcus and Salmonella are the 2 most likely organisms responsible for osteomyelitis.

During adult life, infections with gram-negative organisms, especially Salmonella, predominate. Of special concern is the frequent occurrence of Salmonella osteomyelitis in areas of bone weakened by infarction.


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