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Southeast Asian J Trop Med Public Health ; 1998 Jun; 29(2): 250-4
Artículo en Inglés | IMSEAR | ID: sea-32577

RESUMEN

Clinical and stool examinations for clonorchiasis were carried out in an endemic area, Kim Son District, Ninh Binh Province, Vietnam. Stool examination with the Kato-Katz technic revealed that in 306 residents selected randomly, 42 people (13.7%) were infected with Clonorchis sinensis. The rate was biased towards men (23.4%) as opposed to women (1.5%) and increased with age. No children younger than 10 years old were infected, reflecting difference in a chance for acquisition of infection through a habit of eating raw fish. Few clinical abnormalities were found by blood and urine examinations of the patients. Treatment with praziquantel decreased the infection rate to 5.3% at 6 weeks later. Snails, Melanoides tuberculatus, collected from ponds around the settlements were infected with cercariae at a rate of 13.3%. Farmed fish (Hypophthalmichtys molitrix) in the ponds were infected with metacercariae at rates of 56.4% in small individuals and 100% in large ones. The life cycle of C. sinensis is exclusively completed in the ponds and the traditional habit of eating raw fish in summer was thought to be a major route of infection.


Asunto(s)
Adolescente , Adulto , Factores de Edad , Animales , Antiplatelmínticos/uso terapéutico , Niño , Clonorquiasis/tratamiento farmacológico , Clonorchis sinensis/aislamiento & purificación , Dieta , Heces/parasitología , Femenino , Peces/parasitología , Humanos , Masculino , Persona de Mediana Edad , Praziquantel/uso terapéutico , Factores Sexuales , Caracoles/parasitología , Vietnam/epidemiología
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