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Objective To study epidemic of schistosomiasis in the Qiandao Lake reservoir area,and to provide a reference for prevention and control of schistosomiasis in the construction of large water conservancy projects in the epidemic area of schistosomiasis.Methods The data over the years of snail condition and monitoring of schistosomiasis before and after building the dam,and water conservancy project reconstruction related information were collected.Based on the survey results of the river channel,the lake beach and the dissipation zone in the reservoir area,the influence of Xin'an River water conservancy project on epidemic of schistosomiasis in the Qiandao Lake reservoir area was analyzed,and the epidemic factors of the schistosomiasis in the Three Gorges reservoir were compared and analyzed.Results Before the dam was built,an area of 38 144 000 m2 was examined but Oncomelania was undetected.The Qiandao Lake reservoir area belonged to a non epidemic area of schistosomiasis.After the dam was built,557 cases of schistosomiasis were found in 6 232 immigrants during 1962-1965,resulting in an imported epidemic.In 1970-1980,an area of 379 654 m2 in which Oncomelania was found was examined and snails were mainly distributed in some rice fields and ditches in the end of the reservoir.949 cases of local schistosomiasis were found in the snails.The condition and condition of the snail are gradually controlled through several decades of comprehensive prevention and control.Compared with the epidemic factors of schistosomiasis in Qiandao Lake and the Three Gorges reservoir,the environment of elevation beach and ecologically fragile fluctuation zone coexist in the two reservoir areas.Conclusion From the long-term longitudinal monitoring data of the Qiandao Lake reservoir area and the epidemic regularity of schistosomiasis and the comparison with the ecology of the Three Gorges reservoir,it is concluded that the two reservoir areas will not cause a large range of schistosomiasis epidemic in general,but it does not exclude the possibility of the breeding of the inputting Oncomelania.
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@#Objective To apply the Comprehensive Function Assessment for Disabled Children in family care for children with cerebral palsy. Methods From May, 2014 to May, 2015, 120 cerebral palsy children were equally divided into control group and observation group. The control group accepted routine rehabilitation, and the observation group accepted targeted family rehabilitation program based on the evaluation of Comprehensive Function Assessment for Disabled Children. They were assessed with Comprehensive Function Assessment for Disabled Children before and three months after rehabilitation. Results The scores of cognitive function, language function, exercise abil-ity, self-care movement and social adaptation ability improved in both groups after rehabilitation (t>2.498, P<0.05), and improved more in the observation group than in the control group (t>2.062, P<0.05). Conclusion The application of Comprehensive Function Assessment for Disabled Children may help to plan a targeted rehabilitation nursing program for the nurses and the parents, that benefits the rehabilitation for children with cerebral palsy.
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Objective To investigate the effect of acupoint application of Fangfeng Baishu San on immunologic function in patients with cerebral palsy. Methods Sixty patients with cerebral palsy were randomly allocated to treatment and control groups, 30 cases each. The control group received routine rehabilitation training and the treatment group, application of Fangfeng Baishu San on bilateral points Zusanli, Pishu and Feishu in addition. Serum IgG, IgM, IgA, C3 and C4 were measured in the two groups of patients before and after treatment. Statistical analysis was made. Results There were statistically significant pre-/post-treatment differences in serum IgG, IgM and IgA in the treatment group (P0.05). Conclusion Acupoint application of Fangfeng Baishu San can improve immunologic function in patients with cerebral palsy.
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Objective To survey on the prevalence of schistosomiasis among floating population in Zhejiang province. Methods A survey on prevalence of schistosomiasis among floating population was conducted from September to November 2008, and the stratified cluster sampling method was adopted in the survey. Totally 129 villages of 19 counties or districts were selected as survey sites, and 100 samples of migrants aged 6 to 65 from schistosomiasis-endemic areas were taken in each selected village. All selected individuals were surveyed by questionnaire and underwent serum indirect hemagglutination (IHA) test. For individuals with positive serum IHA testing the fecal examination was carried out to detect the eggs by nylon sedimentation method. SPSS 13.0 software was used for data processing. Results The number of migrants in survey sites was 3 357 420, among whom 303 219 were from schistosomiasis-endemic areas (9.03%).The positive rate in serum IHA test was 2.06% (286/13 898), 276 IHA-positives individuals received fecal examination, and 7 cases were positive (2.52%). Based on above data it was estimated that there would be potentially about 33 500 serum IHA-positive cases and 845 egg-positive cases among floating population in Zhejiang province. Conclusion The risk of schistosomiasis transmission still exists in Zhejiang province due to the infected migrants from endemic areas, and a surveillance system and quick response are required for prevention of re-emergence of the disease.
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The mollusicidal effect and toxicity to fish with META-Li in field were tested in mountain areas in Zhejiang Province. The snail control test, which had 3 groups including a META-Li group, niclosamide group and control group, were performed by the spraying method. The adjusted mortalities of snails in the META-Li group on the 3rd, 7th and 15th day were 89.76% , 87.98% and 94.10% , respectively, in the niclosamide group were 89.70% , 83.22% and 94.72% , respectively .and there was no significant difference between the two groups ( P > 0.05), but they were decreased obviously compared with the control group, which were 9.24% , 9.50% and 15.21% , respectively(P <0.05). The toxicity test to fish with META-Li included 3 groups, namely a high concentration META-Li group, low concentration META-Li group and control group, and none fish was dead. It is suggested META-Li has low toxicity to fish, and is suitable to snail control in aquiculture areas.
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Objective To study the effect o f levamisole against the invasion of Schistosoma japonicum cercariae. Methods Mice infected wit h Schistosoma cercariae were administered orally with levamisole hydrochloride or alkali levamisole two days before the infectio n at a dose of 26.25 mg/kg for 7 days. The liniments of levamisole hydrochlorid e and alkali levamisole were embrocated on the mouse skin two days, one day and 0 day before the infection respectively, and the concentrations of the drug were 1%, 2%, 3%, 5% and 7% respectively. The experimental animals were dissected 4 we eks after the treatment and adult worms were collected. Results The worm reduction rates of mice administered orally with leva misole hydrochloride or alkali levamisole were both 0. The worm reduction rates were both 100% when the mice were embrocated with 5% levamisole hydrochloride on the infection day or with 7% levamisole hydrochloride one day before the infect ion. The worm reduction rates were all 100% when the mice were embrocated with 2 %, 3% or 5% alkali levamisole one day before the infection. Conc lusions Levamisole liniments can prevent from S . japonicum cercaria infection, and alkali levamisole is better th an levamisole hydrochloride. When levamisole is given orally, no effect was show n.
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ObjectiveTo observe the effe ct of varnish“Fangyouling” preventing skin invasion from Schist osoma cercariae. MethodsThe“Fangyouling” was made from niclo s amide and permeable improver, and the concentration of the drug was 1%-2%. Exper imenta l mice and rabbits were spread with “Fangyouling” on the abdomen skin without h air at day 1,2,3,4,5,6,7 respectively before infection, compaired with cont rol group. ResultsThe worm reduction rates of mice which were spread with drug 1-4 days and 5-7 days before infection were 100 % and 99 7%-88 1%. The worm reduction rates of rabbits which were spread with dr ug 3-7 days before infection were 86 4%-80 1%. ConclusionThe“Fangyouling” has long efficiency on preventing Schistosoma cercariae from invading skin.
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Objective To detect the change of the anti-S. japonicum antibody level after people migrated from outside embankment to newly established town. Methods Three pilot spots were established for the investigation: one spot thut both inhabitancy and cultivation disused (A), one spot that only inhabitancy disused but farming continued (B) and the third one served as control (C). DIGFA and ELISA were used to detect the antibody level in the populations from 2002 to 2005. Results The positive rate of anti-S.japonkum antibody declined significantly from 6.63% to 3.52% by DIGFA and from 7.26% to 3.71% by ELISA at spot A (X2=5.2625, P