Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases · 2002
[Target chemotherapy of intestinal nematode infection in area with low endemicity].
Аннотация на английскомСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Zhang Tao, Shen Yi-ping, Liu Ying, Yang Wei-ping, Shao Jing-ou, Ju Shao-you, Dong Kai, Xu Ju-ling, Jiang Ji-min
Аннотация
OBJECTIVE: To evaluate the control measures for intestinal nematodiasis in endemic area with low prevalence and intensity of infection.
METHODS: Target chemotherapy was carried out in high-risk population based on the epidemiological characteristics such as age and clinical findings. Albendazole and mebendazole were administered each 200 mg once daily every year for 3 or 5 years. Saturated brine floatation and Kato-Katz thick smear techniques were used for stool examination to evaluate the efficacy of treatment.
RESULTS: Two hundred residents from each of the three investigation villages were selected for target chemotherapy once a year for three years. The prevalence of intestinal nematodes decreased from 6.2% in 1995 to 5.4% in 1996 and 3.2% in 1997, and remained at 2.3% after three years in 2000. One control village where only primary school students were treated once a year for 5 years, the prevalence of Ascaris and Trichuris infection also decreased from 1.4% and 4.2% in 1995 to 0.9% and 1.4% in 2000, respectively. The target chemotherapy on the predisposed population to hookworm infection showed that the prevalence in the population above 41 years old was declined from 19.4% to 10.9%.
CONCLUSION: The target chemotherapy is an economical and effective approach for the control of intestinal nematode infection in endemic area with low prevalence and intensity of infection.
METHODS: Target chemotherapy was carried out in high-risk population based on the epidemiological characteristics such as age and clinical findings. Albendazole and mebendazole were administered each 200 mg once daily every year for 3 or 5 years. Saturated brine floatation and Kato-Katz thick smear techniques were used for stool examination to evaluate the efficacy of treatment.
RESULTS: Two hundred residents from each of the three investigation villages were selected for target chemotherapy once a year for three years. The prevalence of intestinal nematodes decreased from 6.2% in 1995 to 5.4% in 1996 and 3.2% in 1997, and remained at 2.3% after three years in 2000. One control village where only primary school students were treated once a year for 5 years, the prevalence of Ascaris and Trichuris infection also decreased from 1.4% and 4.2% in 1995 to 0.9% and 1.4% in 2000, respectively. The target chemotherapy on the predisposed population to hookworm infection showed that the prevalence in the population above 41 years old was declined from 19.4% to 10.9%.
CONCLUSION: The target chemotherapy is an economical and effective approach for the control of intestinal nematode infection in endemic area with low prevalence and intensity of infection.