Parasitic infections in a pediatric population

Area of Science:

• Pediatric infectious diseases
• Clinical parasitology

Background:

• Intestinal parasitic infections are a significant global health concern, particularly in pediatric populations.
• Vague gastrointestinal symptoms in children can be challenging to diagnose, with parasitic causes often overlooked.

Purpose of the Study:

• To determine the frequency of intestinal parasitic infections in children attending UCLA pediatric and dental clinics.
• To identify clinical symptoms associated with specific parasitic infections in children.
• To assess the role of factors like age, travel, and daycare in parasitic infection prevalence.

Main Methods:

• Stool specimens were collected and analyzed from children attending pediatric and dental clinics.
• Parasites were identified using standard diagnostic methods.
• Clinical symptoms and patient history (age, travel, daycare) were recorded and analyzed.

Main Results:

• 38% of children studied had detectable intestinal parasites, primarily protozoa.
• Dientamoeba fragilis (21%) and Giardia lamblia (17%) were the most common parasites found.
• Parasitic infections were more prevalent in younger children, those with immigration or travel history, and daycare attendees.
• Children with parasites frequently exhibited vague gastrointestinal complaints, anorexia, irritability, and gas, which were often not attributed to infection by parents or physicians.

Conclusions:

• Intestinal parasitic infections should be considered in the differential diagnosis of children presenting with vague gastrointestinal complaints.
• Risk factors such as foreign travel, immigration, and daycare attendance increase the likelihood of parasitic infection.
• Stool examination is recommended for siblings of infected children, even if asymptomatic, to prevent further transmission.