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| 1 | Comparison of novel and standard diagnostic tools for the detection of Schistosoma mekongi infection in Lao People’s Democratic Republic and Cambodia显示文摘Background:Given the restricted distribution of Schistosoma mekongi in one province in Lao People’s Democratic Republic(Lao PDR)and two provinces in Cambodia,together with progress of the national control programmes aimed at reducing morbidity and infection prevalence,the elimination of schistosomiasis mekongi seems feasible.However,sensitive diagnostic tools will be required to determine whether elimination has been achieved.We compared several standard and novel diagnostic tools in S.mekongi-endemic areas.Methods:The prevalence and infection intensity of S.mekongi were evaluated in 377 study participants from four villages in the endemic areas in Lao PDR and Cambodia using Kato-Katz stool examination,antibody detection based on an enzyme-linked immunosorbent assay(ELISA)and schistosome circulating antigen detection by lateral-flow tests.Two highly sensitive test systems for the detection of cathodic and anodic circulating antigens(CCA,CAA)in urine and serum were utilized.Results:Stool microscopy revealed an overall prevalence of S.mekongi of 6.4%(one case in Cambodia and 23 cases in Lao PDR),while that of Opisthorchis viverrini,hookworm,Trichuris trichiura,Ascaris lumbricoides and Taenia spp.were 50.4%,28.1%,3.5%,0.3%and 1.9%,respectively.In the urine samples,the tests for CCA and CAA detected S.mekongi infections in 21.0%and 38.7%of the study participants,respectively.In the serum samples,the CAA assay revealed a prevalence of 32.4%,while a combination of the CAA assay in serum and in urine revealed a prevalence of 43.2%.There was a difference between the two study locations with a higher prevalence reached in the samples from Lao PDR.Conclusions:The CCA,CAA and ELISA results showed substantially higher prevalence estimates for S.mekongi compared to Kato-Katz thick smears.Active schistosomiasis mekongi in Lao PDR and Cambodia might thus have been considerably underestimated previously.Hence,sustained control efforts are still needed to break transmission of S.mekongi.The pivotal role of highly sensitive diagnostic assays in areas targeting elimination cannot be overemphasised. | Youthanavanh Vonghachack Somphou Sayasone Virak Khieu Robert Bergquist Govert Jvan Dam Pytsje THoekstra Paul L.A.M.Corstjens Beatrice Nickel Hanspeter Marti Jürg Utzinger Sinuon Muth Peter Odermatt | 2017 | Infectious Diseases of Poverty2017,6,1: | 4 |
| 2 | How elimination of lymphatic filariasis as a public health problem in the Kingdom of Cambodia was achieved显示文摘Background:Endemicity of lymphatic filariasis(LF)in Cambodia was proven in 1956 when microfilariae were detected in mosquitos in the Kratiéprovince.In 2001,an extensive study confirmed the presence of both Brugia malayi and Wuchereria bancrofti microfilariae.In 2003,the Ministry of Health established a national task force to develop policies and strategies for controlling and eliminating neglected tropical diseases(NTDs),with the goal of eliminating LF by 2015.This article summarizes the work accomplished to eliminate LF as a public health problem in Cambodia.Methods:The National Program to Eliminate Lymphatic Filariasis made excellent progress in the goal towards elimination due to strong collaboration between ministries,intensive supervision by national staff,and advocacy for mobilization of internal and external resources.Mass drug administration(MDA)with diethylcarbamazine citrate and albendazole was conducted in six implementation units,achieving>70%epidemiological coverage for five consecutive rounds,from 2005 to 2009.In 2006,in 14 provinces,healthcare workers developed a line list of lymphedema and hydrocele patients,many of whom were>40 years old and had been affected by LF for many years.The national program also trained healthcare workers and provincial and district staff in morbidity management and disability prevention,and designated health centers to provide care for lymphedema and acute attack.Two reference hospitals were designated to administer hydrocele surgery.Results:Effectiveness of MDA was proven with transmission assessment surveys.These found that less than 1%of school children had antigenemia in 2010,which fell to 0%in both 2013 and 2015.A separate survey in one province in 2015 using Brugia Rapid tests to test for LF antibody found one child positive among 1677 children.The list of chronic LF patients was most recently updated and confirmed in 2011-2012,with 32 lymphoedema patients and 17 hydrocele patients listed.All lymphedema patients had been trained on self-management and all hydrocele patients had been offered free surgery.Conclusions:Due to the success of the MDA and the development of health center capacity for patient care,along with benefits gained from socioeconomic improvements and other interventions against vector-borne diseases and NTDs,Cambodia was validated by the World Health Organization as achieving LF elimination as a public health problem in 2016. | Virak Khieu Vandine Or Chhakda Tep Peter Odermatt Reiko Tsuyuoka Meng Chuor Char Molly ABrady Joshua Sidwell Aya Yajima Rekol Huy Kapa DRamaiah Sinuon Muth | 2018 | Infectious Diseases of Poverty2018,7,1: | 1 |
| 3 | Large-scale preventive chemotherapy for the control of helminth infection in Western Pa- cific countries: six years later显示文摘 | Montresor A Cong D T Sinuon M | 2008 | PLoS Negl Trop Dis2008,2,8: | 1 |
| 4 | Large-scale preven-tive chemotherapy for the control of helminth infection in Western Pacific countries six years later显示文摘 | Montresor A Cong DT Sinuon M | 2008 | PLoS Negl Trop Dis2008,2,8: | 1 |
| 5 | Schistosomiasis mekongi: from discovery to control显示文摘 | Ohmae H Sinuon M Kirinoki M | 2004 | Parasitol Int2004,53,2: | 1 |
| 6 | The prevalence and diversity of intestinal parasitic infections in humans and domestic animals in a rural Cambodian village显示文摘 | Fabian Sch?r Tawin Inpankaew Rebecca J. Traub Virak Khieu Anders Dalsgaard Wissanuwat Chimnoi Chamnan Chhoun Daream Sok Hanspeter Marti Sinuon Muth Peter Odermatt | 2014 | Parasitology International2014,,4: | 1 |
| 7 | 胶体染料试纸条法(DDIA)诊断湄公血吸虫病的研究显示文摘目的 评价胶体染料试纸条法诊断湄公血吸虫病的应用价值。方法 制备以日本血吸虫虫卵可溶性抗原为抗原的胶体染料试纸条试剂盒 (DDIA kit)。采用该试剂盒检测来自柬埔寨湄公血吸虫病流行区的 34例粪检阳性者和 170例粪检阴性者 ,近年来经吡喹酮治疗后不同年份的人群12 2例 ,以及 114例来自非血吸虫病流行区的健康人 ;同时对来自老挝湄公血吸虫病流行区的 70例粪检阳性者和 6 0例猫后睾吸虫感染者进行检测。对其中部分样本还采用日本血吸虫 SEA- EL ISA进行对照检测。结果 DDIA试剂盒检测湄公血吸虫病的敏感性为 97.1% (33/ 34,柬埔寨 )和98.6 % (6 9/ 70 ,老挝 ) ,与 EL ISA的检测结果相一致。对非流行区健康人的特异性为 10 0 .0 %。结论 日本血吸虫 DDIA试剂盒具有快速、简便、不需任何仪器设备等优点 。 | 朱荫昌 Duong Socheat Khanthong Bounlu 梁幼生 Muth Sinuon Sithat Insisiengmay 何伟 徐明 史伟珠 Nils Robert Bergquist | 2004 | 中国血吸虫病防治杂志2004,16,3: | 0 |