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首页> 外文期刊>Journal of Infectious Diseases >Rapid Increase in the Prevalence of Sulfadoxine-Pyrimethamine Resistance among Plasmodium falciparum Isolated from Pregnant Women in Ghana
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Rapid Increase in the Prevalence of Sulfadoxine-Pyrimethamine Resistance among Plasmodium falciparum Isolated from Pregnant Women in Ghana

机译:加纳孕妇恶性疟原虫对磺胺多辛-乙胺嘧啶耐药的发生率迅速增加

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摘要

Use of intermittent preventive treatment with sulfadoxine-pyrimethamine (SP) during pregnancy (IPTp-SP) has become policy in much of sub-Saharan Africa but crucially depends on the efficacy of SP. We assessed the frequency of the dhfr triple mutation among Plasmodium falciparum isolates obtained from pregnant Ghanaian women in 1998, 2000, and 2006. The prevalence of the triple mutation, which confers resistance to SP, doubled from 36% to 73% during the study period (P .001). In 2006, the prevalence was virtually identical among women of early gestation and delivering women with or without a history of IPTp-SP use, indicating that such treatment did not select for mutant parasites. Nevertheless, IPTp-SP may be outdated by drug resistance before it is fully implemented.
机译:在撒哈拉以南非洲大部分地区,妊娠期使用磺胺多辛-乙胺嘧啶(SPT)进行间歇性预防治疗已成为政策,但关键取决于SP的疗效。我们评估了1998、2000和2006年从加纳孕妇中获得的恶性疟原虫分离株中dhfr三重突变的频率。在研究期间,赋予SP抗性的三重突变患病率从36%翻了一番,达到73% (P <.001)。 2006年,早孕妇女的分娩患病率实际上是相同的,分娩有或没有IPTp-SP使用史的妇女,表明此类治疗未选择突变寄生虫。但是,在完全实施之前,IPTp-SP可能因抗药性而过时。

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