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1.
Article in Chinese | WPRIM | ID: wpr-507092

ABSTRACT

Objective To understand the current prevalence of clonorchiasis in Jiangxi Province. Methods A survey was performed according to the scheme of the 3rd Principal Human Parasites of Jiangxi Province. Based on the ecological regions,a stratified cluster sampling method was applied by the economic and geographic situation. In rural areas,the investigation of C. si?nensis was carried out together with the soil?transmitted helminths investigation,and in the urban areas,the random cluster sam?pling method was applied for the C. sinensis investigation. There were 92 survey sites from 32 counties. The eggs of C. sinensis in stool were examined by Kato?Katz technique,and health knowledge was also investigated by questionnaires in some people at the same time. Results A total of 23 606 sample residents were investigated,and 138 were found infected with C. sinensis, with the infection rate of 0.58%. Light infection was found in most of them. Totally 124 C. sinensis infected persons focused in Xinfeng County,and only a few of infected people scattered in the other counties. In Xinfeng County,851 residents were investi?gated. Among them,the infected people were found in all the age groups except the 0?year age group. The highest infection rate appeared in the 70? years group(24.00%). The male infection rate was 20.29%,which was higher than that of the female (6.25%),showing a statistically significant difference(P<0.01). The infection rate was highest in the population who received high school or technical secondary school education(31.48%). For the occupation distribution,the infection rate was highest in public officers(39.39%). The questionnaire survey showed that the infection rate in the populations in Xinfeng County who had the history of eating raw fish or raw shrimp was 33.15%. Conclusions The distribution of C. sinensis infection presents a region?al aggregation in Xinfeng County,but in other areas,the distribution is sporadic. It is necessary to continue to carry out the para?sitic disease screening,and in Xinfeng County,it is necessary to strengthen the comprehensive prevention and control interven?tion.

2.
Article in Chinese | WPRIM | ID: wpr-605910

ABSTRACT

Objective To understand the capability of parasitic disease diagnosis among professionals from the clinic labora?tory of Class A tertiary hospitals in Jiangxi Province. Methods The teams that took part in the competition were formed from 20 Class A tertiary hospitals,with 2 contestants per team. The competition contents included written examination and skill opera?tion. The written examination involved the life cycle of parasites,immunological basis,detecting techniques,etiological diagno?sis etc.,and the skill operation involved making and dying thin and thick blood smears,making Kato?Katz’s fecal thick smears, as well as microscopic examinations of smears. Results A total of 40 participants took part in the competition. Their total aver?age score was 97.3±22.4 with the pass rate of 15.0%,in which the mean score of theoretical knowledge was 56.6±12.8 with the pass rate of 52.5%,and the mean score of skill operation was 40.8±12.4 with the pass rate of 5.0%. In the written examination, the scoring rate of the life cycle of soil?transmitted helminths was the highest(90.0%),and the rate of the basic knowledge of food?borne parasites was the lowest(31.5%). Both the pass rates of blood smear making and examination were higher than those of Kato?Katz’s thick smears,and the differences were statistically significant( both P<0.05). The detection rates of Plasmodi?um vivax,Plasmodium falciparum,Plasmodium ovale and negative slides of the contestants were 38.8%,45.0%,35.0%and 25.0% respectively. As to the microscopic examination of helminth eggs,the detection rate of Trichuris trichiura egg was the highest(87.5%),and the rate of the Sparganum mansoni egg was the lowest(2.5%). The scores of Kato?Katz’s thick smear making and examination of the contestants from the provincial level hospitals were higher than those from the city level hospitals (both P<0.05),and the score of those from teaching hospitals in Kato?Katz’s thick smear making was higher than that of those from non?teaching hospitals(P < 0.05). Conclusions The technique level of professionals from the clinic laboratory of the Class A tertiary hospitals cannot meet the needs of the diagnosis of parasitic diseases in Jiangxi Province ,which should arouse the attention of the health authorities and hospitals.

3.
Article in Chinese | WPRIM | ID: wpr-451091

ABSTRACT

Objective To understand the characteristics of schistosome cercarial infested water contact of residents in Poyang Lake endemic areas after the operation of Three Gorges Project,so as to provide the evidence for formulating a well-directed con-trol strategy. Methods The residents in two villages in schistosomiasis endemic areas were selected and surveyed for their activi-ties of infested water contacts by questionnaire. Results The proportion and frequency of infested water contacts of residents in Poyang Lake region were high and the average rate of infested water contacts was 69.77%,and 98.96%of infested water contacts occurred in spring,summer and autumn. The main ways of infested water contacts were fishing/swimming/playing for adult men, washing clothes/fishing for adult women,and swimming/playing for school children,respectively. The rates of infested water con-tacts were 73.33%,71.63%and 61.87%in adult men,women and school children,respectively. The frequencies of infested water contacts>1 time/week,1 time/week-1 time/month,and<1 time/month were 62.61%,23.74%and 13.66%respectively. Conclu-sions The infested water contacts mainly occurs in spring,summer and autumn,and the main way of infested water contacts was fishing. Farming and mowing grass,which had been the primary way,now become the secondary way for the adult residents.

4.
Article in Chinese | WPRIM | ID: wpr-415249

ABSTRACT

Objective To study the compliance of forbidden depasturing livestock on the marshland with Oncomelania snails in schistosomiasis endemic areas. Methods According to 3 levels of human infection rates as > 10% ,5%-10% and <5% , 2 204 residents selected randomly from the schistosomiasis endemic villages were sampled with the stratified cluster sampling method in Hunan, Hubei, Jiangxi, Anhui, Jiangsu, Sichuan and Yunnan provinces, and investigated by questionnaire. The contents of the questionnaire included the recognition and implementation of forbidden depasturing livestock on marshland with Oncomelania snails and breeding livestock in bam. Results A total of 78.4% residents agreed forbidden depasturing livestock on marshland with snails, but 3. 7% residents disagreed it. A total of 83. 9% residents considered the relationship between breeding livestock in bam and schistosomiasis control, but 3. 1% residents thought that it was no relationship. The main reasons of depasturing livestock on marshland with Oncomelania snails were the high cost of breeding livestock in bam (36. 2% ) , unaccustomed (26.4% ) and no room for breeding livestock in bam (25.4% ). Conclusion Forbidden depasturing livestock on the marshland with Oncomelania snails should be strengthened according to the local economic, nature environment, agriculture, residents'culture degree and agriculture habit.

5.
Chinese Journal of Zoonoses ; (12): 1218-1221, 2009.
Article in Chinese | WPRIM | ID: wpr-435411

ABSTRACT

To determine the diagnostic efficiency of parallel detection of the circulating antigens and antibodies in schistosomiasis, sandwich ELISA and indirect ELISA by using the labeled McAb JPG3 were used to detect the presence of the circulating antigens and the circulating IgG antibodies in serum samples from different kinds of population. and then the sensitivity and specificity of this method of testing as well as the efficiency of the application of this method in heavy endemic area. were determined in comparison with serial test. It was found that the sensitivity and specificity of the parallel test were 97.9% and 92.2% , however, those of the serial test were 76.0% and 99.2% respectively. The positive rates of parallel test and serial test to detect the stool examination-positive for schistosoma eggs in population of the endemic area were 94.6% (35/37) and 67.6% (25/37), while those to detect the stool examination-negative for schitosoma eggs were 69.8% (97/139) and 39.6% (55/139) respectively. It is apparent the parallel test for the detection circulating antigens and antibodies in schistosomiasis shows its high diagnostic efficiency, especially in the heavy endemic area of schitosomiasis.

6.
Article in Chinese | WPRIM | ID: wpr-563351

ABSTRACT

Objective To understand the effect of the three-cell latrine and B-type tilted ellipsoid methane tank for eliminating eggs of schistosome in different seasons and temperatures in order to evaluate their values for popularization and application in schistosomiasis endemic areas.Methods The eggs of schistosome collected from infected rabbits were put into the three-cell latrines and methane tanks in different seasons.The miracidia were observed and counted after collecting the eggs for hatching experiments on the 5th,10th,15th,20th,25th,30th,40th,50th,and 60th day,respectively.Results In the three-cell latrine,the time of eliminating eggs completely in the fecal residue in winter,spring(autumn),and summer was 50,30,15 days,respectively,and the time of completely eliminating 100 eggs of schistosome was 40,20,10 days,respectively.Correspondingly,in the methane tank,the time of eliminating eggs completely in the fecal residue in winter,spring(autumn),and summer was 30,15,10 days,respectively,and the time of completely eliminating 100 eggs of schistosome was 20,15,5 days,respectively.Conclusions The three-cell latrine and B-type tilted ellipsoid methane tank could effectively eliminate schistosome eggs in human and animal excreta and achieve the national hygienic standard on night soil in the endemic areas of Jiangxi Province.

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