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Two cases of African imported Plasmodium malariae malaria

Feng WEI ; Zheng WAN ; Mo HAN ; Kai WU ; Shuimao ZHOU ; Chongxin WANG

Chinese Journal of Schistosomiasis Control.2014;(2):232-233.

The process of diagnosis,epidemiological survey and treatment of two cases of African imported quartan malaria is reported in this paper.

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Prevalence of malaria in Liaoning Province,2008 to 2013

Cong TENG ; Lu LEI ; Yingwei SUN ; Jiang TIAN

Chinese Journal of Schistosomiasis Control.2014;(2):200-202.

Objective To understand the trend and epidemiologic characteristics of malaria prevalence so as to provide the evidence for further control of the disease in Liaoning Province. Methods The data of registered cases of malaria in Liaoning Province from 2008 to 2013 were collected and analyzed with the descriptive epidemiological methods. Results A total of 202 ma-laria cases were reported from 2008 to 2013. There was no epidemic outbreak ,and the average annual incidence was 0.08/100 000. Totally 17 P. v. cases of local infection were reported,and 185 imported malaria cases were reported(P.v. 33 cases,P.f. 113 cases,P.v.&P.f. 13 cases,P.o. 3 cases,and unspecified 23 cases). The ratio of male to female was 5.91:1,the populations aged 31-45 years were the most(47.52%),and the main occupation was exported labors(46.04%). The 179 imported cases were infected in Africa and Southeast Asia,6 imported cases were infected in Anhui Province,Yunnan Province and Hongkong,and 16 local cases were infected in the border area of Dandong City. Conclusions Although the annual incidence of malaria in Liaon-ing Province is lower than 1/10 000,the incidence shows an increasing trend because the exported labors are increased. There-fore,the epidemic monitoring and health education should be strengthened,especially for the exported labors who have returned.

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Clinical efficacy of sodium tanshinone IIA sulfonate in treatment of advanced schistosomiasis

Ailin XUAN ; Lu YOU ; Weidong JIANG

Chinese Journal of Schistosomiasis Control.2014;(2):224-225.

Objective To evaluate the clinical efficacy of sodium tanshinone IIA sulfonate(STS)in the treatment of ad-vanced schistosomiasis. Methods Fifty cases with advanced schistosomiasis admitted to the Touzao Township Hospital of Dong-tai City during the period from November 2012 to November 2013 were treated with STS for 10 days,and the internal diameter of the portal vein,levels of ALT,AST,γ-GT,PIIIP,CIV,HA and LN were measured and compared before and after the adminis-tration of STS. Results The mean levels of all serological parameters except HA were within the normal range before STS treat-ment,while the highest positive rate was detected inγ-GT(26.0%)and HA(54.0%). Following the STS treatment,the mean lev-els of all parameters and the positive rates reduced,with the greatest reduction observed inγ-GT(36.7%)and HA(37.8%);how-ever,the mean HA level was still higher than the normal range. The mean internal diameter of the portal vein reduced from(10.5± 1.7)mm before the STS treatment to(9.8±1.3)mm after the STS administration,with a significant diffrtence(P<0.05). Conclu-sion STS appears effective in the treatment of advanced schistosomiasis.

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Influencing factors in elderly patients with schistosomiasis liver disease com-bined with gallbladder diseases

Dongming YANG

Chinese Journal of Schistosomiasis Control.2014;(2):194-196.

Objective To understand the status of elderly patients with schistosomiasis liver diseases combined with gallblad-der diseases,and explore the influencing factors. Methods A total of 280 elderly patients with schistosomiasis liver disease were divided into two groups,198 cases of chronic liver fibrosis and 82 cases of liver cirrhosis,and the results of their gallbladder ultra-sound and liver function examinations were analyzed statistically. Results Among the 280 cases,157 patients were combined with gallbladder diseases(56.1%),including gallbladder wall thickening(28.2%,79/280),cholecystolithiasis(13.6%,38/280),cholecystitis(11.1%,31/280),and gallbladder polyp(3.2%,9/280). The incidence rates of gallbladder wall thickening, cholecystitis and cholecystolithiasis in the schistosomiasis patients with cirrhosis were significantly higher than those in the schisto-somiasis patients with liver fibrosis(χ2=4.568,P<0.05). Conclusion The main influencing factors of schistosomiasis liver dis-ease combined with gallbladder diseases are the age,the course of the disease,liver cirrhosis and the portal hypertension degree.

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Discovery and biology of Schistosoma haematobium

Wei WANG ; Qingbiao HONG ; Yousheng LIANG

Chinese Journal of Schistosomiasis Control.2014;(2):215-218.

Schistosomiasis is a neglected tropical disease that severely threatens human health and affects the socioeconomic development. The causative agent that parasitizes in humans mainly involves Schistosoma japonicum,S. mansoni,S. haematobi-um,S. intercalatum and S. mekongi. As the firstly identified schistosome,S. haematobium infection is found to strongly correlate with bladder cancer. This paper mainly reviews the discovery,morphology and life cycle of S. haematobium.

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A cecum hookworm patient with main symptom of cough

Binbin CHENG

Chinese Journal of Schistosomiasis Control.2014;(2):234-234.

This paper reports a cecal hookworm patient whose main symptoms are dry cough,dyspnea and eosinophilia.

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Schistosomiasis status and control strategy in Hubei Province from 2008 to 2012

Shunxiang CAI ; Zuwu TU ; Huiguo ZHU ; Jiali WU

Chinese Journal of Schistosomiasis Control.2014;(2):206-208.

Objective To evaluate the effects of the schistosomiasis control mode(“Hubei mode”)that includes“compre-hensive measures in a whole endemic county”,“co-action of Health Ministry and Province”and“replacing cattle with machine”in Hubei Province. Methods The data of schistosomiasis control in Hubei Province from 2008 to 2012 were collected and a data-base including the annual schistosome infections of human and cattle,acute schistosome infection,outbreak of schistosomiasis en-demic,schistosome infected Oncomelania hupensis snails,and other prevention indicators was established and analyzed by using SPSS. Results Compared with 2008,in 2012,the infection rates declined by 64.91%and 88.63%in human and cattle respec-tively. The area with snails decreased from 5 423.85 hm2 in 2008 to zero. There were no acute schistosomiasis patients and out-break of schistosomiasis endemic. Conclusion The schistosomiasis control mode(“Hubei mode”)is effective significantly.

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Risk factors of schistosomiasis cirrhosis esophageal varices bleeding

Qin WANG ; Peng CHEN ; Banghe XU ; Hongxia ZHU

Chinese Journal of Schistosomiasis Control.2014;(2):226-227.

Objective To explore the risk factors of schistosomiasis cirrhosis esophageal varices hemorrhage. Methods A total of 113 cases of schistosomiasis cirrhosis esophageal varices hemorrhage and 128 schistosomiasis cirrhosis esophageal varices patients without hemorrhage were selected and their relevant factors were analyzed statistically. Results There were significant differences between the two groups in the prothrombin time,portal vein diameter,degree of esophageal varices,and varicose vein tumor-like lesions(P<0.01). Conclusion The risk factors of schistosomiasis cirrhosis esophageal varices hemorrhage are the prothrombin time,portal vein diameter,degree of esophageal varices,and varicose vein tumor-like lesions.

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Cost-benefit analysis of netting cultivation to block the spread of Oncomela-nia snails in lake regions

Qian LI ; Daokuan SUN ; Quanfeng WANG ; Shouren CAI ; Congying JIA

Chinese Journal of Schistosomiasis Control.2014;(2):189-191.

Objective To evaluate the cost-benefit of netting cultivation to block the spread of Oncomelania snails in lake re-gions. Methods The cost-benefit of netting cultivation was investigated by interviewing in the field,the cost of Oncomelania snail survey and control was investigated by retrospective review in Gaoyou Lake regions of Jinhu County from 2009 to 2011. The benefit of netting cultivation to block the spread of snails in lake regions was calculated by the benefit-cost ratio(BCR),and then the cost-benefit of them was calculated. Results The area of netting cultivation in Gaoyou Lake regions was 70.77 hm2,the aver-age cost of netting cultivation was 495 595 yuan every year,the average income was 962 000 yuan every year,and the average ben-efit of netting cultivation was 466 405 yuan. The average cost of Oncomelania snail survey and control from 2009 to 2011 was 85 047.87 yuan in Gaoyou Lake regions. The ratio of cost-benefit was 1.11∶1. The benefit was more than the cost. Conclusion There is a well benefit in lake regions during blocking the spread of snails by netting cultivation.

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Investigation on common human soil-transmitted nematode infections in Quanzhou City in 2012

Haiyan CHEN

Chinese Journal of Schistosomiasis Control.2014;(2):228-229.

Objective To understand the epidemic situation of common human soil-transmitted nematode infections in Quan-zhou City in 2012,so as to provide the evidence for improving the prevention and control measures. Methods The residents aged above 3 years from 5 townships in 2 counties were investigated to detect the parasite eggs(hookworm,Ascaris lumbricoides,Trich-uris trichura)by Kato-Katz technique. One kindergarten of each county was randomly selected and 228 children were investigated to detect Enterubius vermicularis eggs by the cellophane tape anus test. Results The total hookworm infection rate was 3.60%(69/1919). For the hookworm infection rates,there was no significant difference among different areas and between different genders, but there were significant differences among different age groups and different careers. No Enterubius vermicularis eggs were detect-ed. Conclusion The effect of the prevention and control of Ascaris lumbricoides,Trichuris trichura and Enterubius vermicularis in-fections is remarkable. However,the infection rate of hookworm has a rising trend and the prevention and control of hookworm in-fection should be strengthened.

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