A preliminary study on the prevalence of parasitic infections in immunocompromised children

Area of Science:

• Pediatric Infectious Diseases
• Clinical Parasitology
• Immunocompromised Host

Background:

• Parasitic infections pose a significant threat to immunocompromised children, potentially leading to severe outcomes.
• Assessing parasite prevalence is vital for understanding disease burden in pediatric subgroups.

Purpose of the Study:

• To determine the prevalence of parasitic infections in various groups of immunocompromised children.
• To evaluate the diagnostic performance of an immuno-chromatographic test for Giardia and Cryptosporidium.

Main Methods:

• A study involving 120 children (90 inpatients, 30 controls) categorized into 6 immunocompromised groups and 1 healthy control group.
• Stool samples analyzed using direct wet smear, concentration techniques, coproculture, and special staining.
• Blood samples tested for anti-Toxoplasma antibodies; immuno-chromatographic test for Giardia/Cryptosporidium coproantigen evaluated.

Main Results:

• Overall parasitic infection rate of 62.2% in the studied immunocompromised children.
• Cryptosporidium (33.3%) was the most prevalent parasite; Microsporidia also high in malignant disease group (GI).
• Giardia prevalence was significantly higher in renal disease group (GII); Strongyloides stercoralis in corticosteroid therapy group (GIII).

Conclusions:

• Parasitic infections are highly prevalent in immunocompromised children, varying by underlying condition.
• The immuno-chromatographic test demonstrated high accuracy for Giardia detection but limited efficacy for Cryptosporidium.
• Targeted diagnostic approaches and prompt treatment are essential for managing parasitic infections in this vulnerable population.