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Overwhelming postsplenectomy infection still a problem
1Island Medical Laboratories, Victoria, British Columbia, Canada.
Insights
Overwhelming postsplenectomy infection remains a risk, even for adults without underlying conditions. Early identification of Howell-Jolly bodies can prompt crucial follow-up and vaccination to prevent fatal infections.
Area of Science:
- Medicine
- Infectious Diseases
- Hematology
Background:
- Overwhelming postsplenectomy infection (OPSI) is a serious risk for individuals without a spleen.
- Awareness of OPSI risk is lower in adults, especially those without other medical conditions.
Observation:
- Physicians are increasingly aware of OPSI in children but less so in adults.
- Older adults and those with hyposplenism may be unaware of their increased susceptibility.
- Howell-Jolly bodies on a peripheral blood smear indicate splenic dysfunction.
Findings:
- Adults without underlying medical problems who are asplenic or hyposplenic are at significant risk for OPSI.
- The presence of Howell-Jolly bodies is a key indicator for further investigation of splenic function.
Implications:
- Increased physician awareness of OPSI risk in all asplenic/hyposplenic adults is critical.
- Prompt follow-up for Howell-Jolly bodies can lead to early diagnosis of hyposplenism.
- Antipneumococcal vaccination should be considered for at-risk individuals to prevent severe infections.
Abstract:
Despite an extensive medical literature over the past ten years, patients continue to die needlessly of overwhelming postsplenectomy infection. Although physicians have become increasingly cognizant of this syndrome in children, many remain unaware of the risk to asplenic or hyposplenic adults with no underlying medical problems. In addition, many older asplenic or functionally hyposplenic persons are unaware that they are at risk for this syndrome. The identification of Howell-Jolly bodies on a peripheral blood smear should alert physicians to the need for further follow-up to establish hyposplenism and to consider possible antipneumococcal vaccination.
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