Lancet:含胡椒基丁醚长效驱虫蚊帐可有效降低菊酯高抗药性地区疟疾传播风险

2020-04-18 MedSci原创 MedSci原创

在乌干达,对拟除虫菊酯的抗性很高,含菊酯增敏剂的长效驱虫蚊帐比传统菊酯蚊帐更有效地降低了疟疾感染风险,长达18个月

长效驱虫蚊帐(LLIN)是预防疟疾的重要工具,但其效果由于菊酯抗药性而下降。近日研究人员考察了含有除虫菊酯增敏剂胡椒基丁醚(PBO)的LLINs的效果。
 
研究在乌干达48个县的104个卫生分区开展,随机分配含PBO的蚊帐和常规蚊帐。在分布后的基线、6、12和18个月,对家庭进行昆虫学调查。主要结果是通过显微镜观察2-10岁儿童的寄生虫流行率。
 
49个卫生分区接受含PBO LLIN(31个接收到PermaNet 3.0和18个接收到Olyset Plus),52个卫生分区接受常规 LLIN(39个接收到PermaNet 2.0和13个接收到Olyset Net)。6个月时,PBO组的寄生虫患病率为11%(386/3614),而非PBO组为15%(556/3844,患病率[PR]调整为基线值0.74)。组间寄生虫患病率在第12个月(11%vs13%;PR0.73)和第18个月(12%vs14%;PR:0.84)相似。
 
研究发现,在乌干达,对拟除虫菊酯的抗性很高,含菊酯增敏剂的长效驱虫蚊帐比传统菊酯蚊帐更有效地降低了疟疾感染风险,长达18个月。
 
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    2020-04-20 songbq

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