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Strongyloides stercoralis infection with hypothyroidism:one case report

Chinese Journal of Schistosomiasis Control.2017;29(3):393-394. doi:10.16250/j.32.1374.2016256

This paper reports the diagnosis and treatment of one rare case of thyroid dysfunction caused by Strongyloides ster-coralis infection.

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Endemic situation of schistosomiasis at national surveillance sites in Nanjing City,2015

Dehui WEI ; Chaoyong XIE

Chinese Journal of Schistosomiasis Control.2017;29(3):383-384. doi:10.16250/j.32.1374.2016183

Objective To understand the dynamic endemic situation of schistosomiasis in Nanjing City,2015,so as to pro-vide evidences for policy-making of schistosomiasis control. Methods According to The National Scheme of Schistosomiasis Surveillance(2014),the endemic situation of schistosomiasis was monitored in 11 national surveillance sites in Nanjing. Re-sults The positive rates of serological(IHA)and stool examinations were 2.97%(97/3269)and 0 for local residents,and 0.52%(12/2298)and 0 for migrant people,respectively. No schistosome-infected livestock was found. Totally 147.2953 hm2 area with Oncomelania hupensis snails were found,but no schistosome-infected snails were discovered. Conclusions The en-demic situation of schistosomiasis declines greatly in Nanjing City in 2015. However,the control work still should be strength-ened to consolidate the achievements of schistosomiasis control.

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Correlation between hepatic fibrosis and anti-neutrophil cytoplasmic anti-bodies(ANCA)in schistosomiasis patients

Xianmo WANG ; Jiajun ZHANG ; Lin XIAO

Chinese Journal of Schistosomiasis Control.2017;29(3):380-382. doi:10.16250/j.32.1374.2016203

Objective To investigate the association between hepatic fibrosis and anti-neutrophil cytoplasmic antibodies (ANCA)in the patients with schistosomiasis. Methods Totally 145 schistosomiasis patients confirmed by Jingzhou First Peo-ple's Hospital during the period of February 2014 to June 2016 were randomly selected as an experimental group,and 100 healthy people during the same period were randomly selected as a control group. The serum samples of the two groups were col-lected and the level of ANCA was detected by indirect immunofluorescence,and the levels of hyaluronic acid,laminin,procol-lagen type Ⅲ,and collagen type Ⅳ were detected by radioimmunoassay. The levels of the above indexes of the two groups were compared. Results The positive rate of ANCA was 28.96%(42/145)in the experimental group and 1.00%(1/100)in the healthy control group,and the difference between them was statistically significant(P < 0.05). The levels of hyaluronic acid, laminin,procollagen type Ⅲ and collagen type Ⅳ in the experimental group were significantly higher than those in the control group,and the differences were statistically significant(all P < 0.05),and the proportions of those with abnormal levels of hyal-uronic acid,laminin,procollagen type Ⅲ and collagen type IV in the experimental group were significantly higher than those in the control group,and the differences were statistically significant(all P < 0.05). In the experimental group,among the 42 pa-tients with ANCA positives,the proportions of those with abnormal levels of hyaluronic acid and laminin were significantly high-er than the proportions of those with ANCA negatives,and in the former,the levels of the four indicators of liver fibrosis were all higher than the normal values,and the average levels of hyaluronic acid and laminin in the patients with ANCA positives were significantly higher than those in the patients with ANCA negatives(all P < 0.05). Conclusion The patients with schistosomia-sis hepatic fibrosis could be positive for the autoimmune antibody ANCA,and ANCA may be associated with the autoimmune process of liver fibrosis.

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Survey of Toxoplasma gondii infection characteristics and its risk factors among healthy blood donation population in Shijiazhuang City,Hebei Prov-ince

Ya WU ; Renhao SONG

Chinese Journal of Schistosomiasis Control.2017;29(3):377-379. doi:10.16250/j.32.1374.2016220

Objective To understand the prevalence of Toxoplasma gondii infection and its risk factors among healthy blood donation population in Shijiazhuang City,Hebei Province,so as to provide the evidence for developing effective prevention and control measures. Methods A total of 1630 cases of blood donors in Shijiazhuang City were chosen as respondents,and all the respondents were qualified to the standard of blood donation. The antibodies to T. gondii were detected by using ELISA. The in-fection rates of T. gondii in blood donation population were compared between/among different genders,ages,occupations,edu-cation levels,and places of residence. The risk factors for Toxoplasma infection were surveyed with questionnaires. Results A total of 1630 cases of healthy blood donors were investigated,and among which 126 cases were positive in the detection of anti-bodies to T. gondii and the positive rate was 7.73%. The positive rates between/among the different genders,ages,occupations, and education levels were significantly different( χ2 =4.36,13.98,9.71,7.65,respectively,all P < 0.05),and the positive rates among different places of residence were not significantly different( χ2 =1.63,P>0.05). The questionnaire survey showed that the T. gondii infection was closely related to keeping pets,outside eating frequently,having chafing dish or barbe-cue,sharing cutting board for cooked and uncooked food,and no the habit of washing hands before meals. Conclusions The infection rate of T. gondii is relatively high among the healthy blood donation population in Shijiazhuang region. The cognitive ed-ucation for T. gondii infection and infection monitoring are the keys to avoid the transfusion infection.

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Experience and analysis of excellent works of human parasitology in nation-al medical colleges and universities

Xiaodi YANG ; Qiang FANG ; Yang CHENG ; Xuelian CHANG ; Zhiyong TAO ; Yuanyuan WANG ; Xiaoli WANG ; Jiangyan LI ; Shiya HUANG ; Yumeng JIAO ; Xuemei WANG ; Hui XIA ; Xingzhi CHEN

Chinese Journal of Schistosomiasis Control.2017;29(3):369-371,376. doi:10.16250/j.32.1374.2017042

Teaching competition is an effective way for college and university teachers to improve their teaching skills. Based on the teaching practice and experience in medical parasitology,this paper discusses several key issues in teaching competition including topics,teaching designs and teaching methods. It provides references for the teachers in department of parasitology of universities and colleges to improve the quality of classroom teaching.

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Retrospective analysis of schistosomiasis elimination history in Jingxi City, Guangxi Zhuang Autonomous Region

Shuilan YU ; Jiguang DENG ; Shaoren XU ; Zhihua JIANG

Chinese Journal of Schistosomiasis Control.2017;29(3):366-368. doi:10.16250/j.32.1374.2016236

Objective To understand the schistosomiasis epidemic and control history in Jingxi City,so as to provide the ev-idence for improving the future work. Methods The data of schistosomiasis prevention and control work were collected and ana-lyzed comprehensively in Jingxi City from 1956-2015. Results From 1956,the schistosomiasis prevention and control work car-ried out,and in 1985,Jingxi City reached the standard of schistosomiasis transmission interrupted and no local schistosome in-fected residents and livestock were found for 36 years. In May 2016,the city reached the national standard of Schistosomiasis Elimination Assessment Review. The cumulative number of schistosomiasis detection of residents was 348801 person-times, and 10434 schistosomiasis patients were found. The cumulative number of schistosomiasis detection of cattle was 20674 head-times,and 590 schistosome infected cattle were found. The cumulative schistosomiasis treatment number of residents was 18739 per-son-times,and 512 cattle were treated. The cumulative detection area with Oncomelania hupensis was 65213.25 hm2 ,and 353.80 hm2 area with O. hupensis snails was found. Conclusions Jingxi City has reached the standard of schistosomiasis elimi-nation,but there is still recurrence of O. hupensis snails,and the imported infection source exists. Therefore,we should strength-en the monitoring of floating population.

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Development and application of WEB-based information management sys-tem for chronic schistosomiasis patients

Wei HUA ; Fei YANG ; Guohua PENG

Chinese Journal of Schistosomiasis Control.2017;29(3):363-365. doi:10.16250/j.32.1374.2016218

To improve the management level of patients' information of schistosomiasis control stations in Nanchang City,the B/S three-layer architecture and ASP+SQL technology were applied to formulate the WEB-based management system of chronic schistosomiasis patients' information,so as to achieve the information sharing of chronic schistosomiasis among schistosomiasis control stations.

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A comparison of knowledge awareness rates and influencing factors of clo-norchiasis among residents in 4 counties(cities)of Hunan Province

Xuandong WEI ; Mo WEI ; Yuan LV ; Shanghui YI ; Taocheng LIU ; Chunxiang LUO ; Wenting ZHA ; Qinghong LUO

Chinese Journal of Schistosomiasis Control.2017;29(3):355-357,362. doi:10.16250/j.32.1374.2016248

Objective To understand the status of knowledge awareness rates and influencing factors of clonorchiasis among the residents in 4 counties(cities)of Hunan Province,so as to provide the references for formulating the prevention and control strategy of clonorchiasis in the province. Methods A total of 1224 subjects were selected by the multi-stage cluster sampling method and investigated with questionnaires and face-to-face interviews. Results The clonorchiasis knowledge awareness rates of the residents were 15.67% in Yongzhou City,9.94% in Yueyang City,13.25% in Wangcheng County,and 21.96% in Tongd-ao County,respectively. In the whole province,the clonorchiasis knowledge awareness rates of the residents were 44.67%, 56.43%,60.95%,and 42.46% in the etiology,clinical manifestations,epidemiological characteristics and daily prevention,re-spectively. The logistic regression showed that the influencing factors of clonorchiasis knowledge awareness rates were the daily dining place,whether or not having the medical personnel in the family,the degree of attention to the relevant news reports, and the history of parasitic diseases. Conclusions The level of clonorchiasis than that in other areas,but the overall level of clonorchiasis knowledge awareness of the residents in Hunan Province is not high. Therefore,the relevant authority should strengthen the health education in clonorchiasis prevention knowledge including personal daily food hygienic knowledge. knowl-edge awareness rate of the residents in the west-southern areas of Hunan Province is higher

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Analysis of endemic situation of schistosomiasis in Yugan County of Jiangxi Province in 2012

Xinghua HUANG ; Haihong JIANG ; Zhiwei ZHAN ; Zhujun FANG

Chinese Journal of Schistosomiasis Control.2014;(1):94-95.

Objective To master the epidemic situation and control effect of schistosomiasis in Yugan County,Jiangxi Prov-ince. Methods The data of the schistosomiasis prevalence in human and cattle as well as Oncomelania hupensis snail status were collected and the change trends were analyzed in Yugan County from 2008 to 2012. Results The schistosome infection rates of residents in Yugan County have declined every year since 2008,and currently,the prevalence of schistosomiasis was at a low lev-el. No acute schistosomiasis case was found during the past 5 years. In 2012,the infection rate of bovine was above 1%in 88 en-demic villages,and the area with schistosome infected snails was 10 hm2. Conclusion In order to achieve the goal of schistosomi-asis transmission control in the whole county in 2015,the comprehensive control measures based on infection source control should be strengthened.

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Progress of research on parasitic adaptability of schistosome and its applica-tion value

Bing CHEN ; Jianfan WEN

Chinese Journal of Schistosomiasis Control.2014;(1):84-89.

The larval and adult schistosomes can effectively establish the stable parasitic relationship with their final hosts and then maintain the parasitism for a long time,due to the successful adaptation to their parasitic lifestyle. This paper reviews the progress of research on parasitic adaptability of schistosomes in several respects,and demonstrates the application value of schisto-somal genes related to parasitic adaptability in schistosomiasis control and exploitation of natural active molecules.

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