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Echinostoma aegyptica (Trematoda: Echinostomatidae) Infection in Five Riparian People in Savannakhet Province, Lao PDR

Authors
 Jong-Yil Chai  ;  Bong-Kwang Jung  ;  Taehee Chang  ;  Hyejoo Shin  ;  Woon-Mok Sohn  ;  Keeseon S Eom  ;  Tai-Soon Yong  ;  Duk-Young Min  ;  Bounlay Phammasack  ;  Bounnaloth Insisiengmay  ;  Han-Jong Rim 
Citation
 KOREAN JOURNAL OF PARASITOLOGY, Vol.58(1) : 67-72, 2020-02 
Journal Title
KOREAN JOURNAL OF PARASITOLOGY
ISSN
 0023-4001 
Issue Date
2020-02
MeSH
Animals ; Echinostoma / isolation & purification* ; Humans ; Laos ; Praziquantel / administration & dosage ; Trematode Infections / drug therapy ; Trematode Infections / parasitology*
Keywords
Echinostoma aegyptica ; Lao PDR ; Savannakhet ; echinostome
Abstract
Human infection with Echinostoma aegyptica Khalil and Abaza, 1924 (Trematoda: Echinostomatidae) is extremely rare. In this study, we confirmed E. aegyptica infection in 5 riparian residents living along the Mekong River in Savannakhet Province, Lao PDR. The patients revealed eggs of Opisthorchis viverrini/minute intestinal flukes, echinostomes, and other parasites in fecal examinations using the Kato-Katz technique. Following treatment with praziquantel 30-40 mg/kg and pyrantel pamoate 10-15 mg/kg in a single dose and purging with magnesium salts, adult specimens of various helminth species were collected. Among the trematodes, echinostome flukes of 4.5-7.6 mm in length (n = 134; av. 22.3 specimens per case) were of taxonomic interest and subjected in this study. The flukes were morphologically characterized by having total 43-45 collar spines arranged in 2 alternating rows (corner spines usually 5 on each side) and compatible with previous descriptions of E. aegyptica. The patients were mixed-infected with other helminths, so specific clinical manifestations due to this echinostome fluke were difficult to determine. The present paper describes for the first time human E. aegyptica infections in Lao PDR. This is the second report of human infection (2nd-6th cases) with E. aegyptica in the world following the first one from China.
Files in This Item:
T202006339.pdf Download
DOI
10.3347/kjp.2020.58.1.67
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Environmental Medical Biology (환경의생물학교실) > 1. Journal Papers
Yonsei Authors
Yong, Tai Soon(용태순) ORCID logo https://orcid.org/0000-0002-3445-0769
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182619
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