S-Space College of Medicine/School of Medicine (의과대학/대학원) Parasitology and Tropical Medicine (기생충학전공) Journal Papers (저널논문_기생충학전공)
High prevalence of liver and intestinal fluke infections among residents of Savannakhet Province in Laos
- Chai, Jong-Yil; Han, Eun-Taek; Guk, Sang-Mee; Shin, Eun-Hee; Sohn, Woon-Mok; Yong, Tai-Soon; Eom, Keeseon S.; Lee, Keon-Hoon; Jeong, Hoo-Gn; Ryang, Yong-Sang; Hoang, Eui-Hyun; Phommasack, Bounlay; Insisiengmay, Bounnaloth; Lee, Soon-Hyung; Rim, Han-Jong
- Issue Date
- Korean Society for Parasitology
- Korean J Parasitol. 2007 Sep;45(3):213-8.
- Adolescent; Adult; Aged; Animals; Anthelmintics/administration & dosage; Child; Child, Preschool; Feces/parasitology; Female; Humans; Intestinal Diseases, Parasitic/drug therapy/*epidemiology; Laos/epidemiology; Liver Diseases, Parasitic/*epidemiology; Male; Middle Aged; Parasite Egg Count; Population Surveillance; Praziquantel/administration & dosage; Prevalence; Trematoda/classification/*isolation & purification; Trematode Infections/drug therapy/*epidemiology
- The prevalence of liver and intestinal fluke infections was surveyed on residents of Savannakhet Province, Laos. Fecal specimens were collected from a total of 981 residents in 4 Mekong riverside villages and examined by the Kato-Katz thick smear technique. The results revealed that the overall helminth egg positive rate was 84.2%, and the positive rate for small trematode eggs, including Opisthorchis viverrini, heterophyids, or lecithodendriids, was 67.1%. To obtain adult flukes, 38 small trematode egg positive cases were treated with a 20-30 mg/kg single dose of praziquantel and purged. Diarrheic stools were then collected from 29 people and searched for helminth parasites using stereomicroscopes. Mixed infections with O. viverrini and 6 kinds of intestinal flukes were found, namely, Haplorchis taichui, Haplorchis pumilio, Haplorchis yokogawai, Prosthodendrium molenkampi, Phaneropsolus bonnei, and echinostomes. The total number of flukes collected was 7,693 specimens (av. no. per treated person; 265.3). The most common species was O. viverrini, followed by H. taichui, P. molenkampi, echinostomes, H. pumilio, P. bonnei, and H. yokogawai. The results indicate that foodborne liver and intestinal fluke infections are prevalent among residents of Savannakhet Province, Laos.
- 0023-4001 (Print)