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Management of diarrhea in HIV-affected infants and children
Patricia B Pavlinac1, Kirkby D Tickell, Judd L Walson
1University of Washington, Global Health, 325 Ninth Avenue, Box 359931, Seattle, WA 98104, USA.
Insights
Diarrhea is a major killer of young children, especially those affected by HIV. Management strategies must be updated to address the unique risks faced by HIV-infected and HIV-exposed uninfected children.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Diarrhea remains a leading cause of mortality in children under five globally.
- HIV-infected and HIV-exposed uninfected (HEU) children face a disproportionately high risk of severe diarrhea and death.
- Existing international guidelines do not account for HIV status in diarrhea management.
Discussion:
- Increased susceptibility in HIV-affected children is multifactorial, including immunosuppression and antimicrobial prophylaxis.
- Proximity to individuals shedding pathogens may increase pathogen exposure.
- Current management approaches may not adequately address the specific etiologies and consequences in this vulnerable population.
Key Insights:
- HIV infection and exposure significantly elevate the risk of fatal diarrhea in young children.
- Management strategies need to be tailored to the specific needs of HIV-affected children.
- A multifactorial approach is required to reduce diarrhea mortality in high HIV prevalence settings.
Outlook:
- Strengthening HIV testing and treatment programs is crucial.
- Targeted water, sanitation, and hygiene (WASH) interventions for HIV-affected households are essential.
- Revisiting empiric antimicrobial use for specific pathogens in HIV-infected and HEU children is recommended.
Abstract:
Globally, diarrhea is the second leading cause of death in children less than 5 years of age. HIV-infected and HIV-exposed uninfected (HEU) children are at high risk of dying from diarrhea and may be more susceptible to the highest risk enteric pathogens. This increased risk associated with HIV infection and HIV exposure is likely multifactorial. Factors such as immunosuppression, proximity to individuals more likely to be shedding pathogens, and exposure to antimicrobial prophylaxis may alter the risk profile in these children. Current international guidelines do not differentiate management strategies on the basis of whether children are infected or affected by HIV, despite likely differences in etiologies and consequences. Reducing diarrhea mortality in high HIV prevalence settings will require strengthening of HIV testing and treatment programs; improvements in water, sanitation and hygiene interventions targeted at HIV-affected households; and reconsideration of the use of empiric antimicrobial treatment of pathogens known to infect HIV-infected and HEU children disproportionately.
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