This study aims to compare the epidemiological, clinical, and laboratory aspects of cystic echinococcosis (CE) in children with those of adults from western Romania, and to determine the specifics of this disease in the younger population. The medical records of the patients diagnosed with CE and hospitalized during 2004–2010 in four western Romanian counties were retrospectively investigated. Overall, 82 children (mean age, 10.8 years) and 369 adults (mean age, 48 years) were diagnosed with CE during the study period. The yearly detection rate was 3.1/100,000 children and 3.4/100,000 adults. The incidence rate registered a peak in children aged 5–14 years (4.4/100,000) and adults aged 60–69 years (5/100,000). Female to male ratio was 1.6:1 in pediatric cases and 1.2:1 in adults. CE was almost twice more frequent in rural areas (4.4/100,000 children and 4.9/100,000 adults) as compared to urban regions (2.3/100,000 children and 2.6/100,000 adults). Hepatic cysts were found more frequently than pulmonary cysts, at a ratio of 3.6:1 in children and 12.8:1 in adults. Most of the cases had no complications (91.5% of children and 87% of adults). Children had higher eosinophil count (7%) and erythrocyte sedimentation rate (ESR) (29.7 mm/h) as compared with adults (eosinophil count, 5.3%, p<0.001; ESR, 22.4 mm/h, p=0.001). The active transmission of the parasite in western Romania is demonstrated by the high incidence of CE in children. Long-term prevention of this disease may be reached through joined legislative efforts focused on the registration of dogs, home slaughter of sheep and swine, veterinary control in abattoirs, destruction of infected materials, and restriction of dogs' access to vegetable gardens and children's parks.
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