海南省乐东县恶性疟原虫对抗疟药的敏感性测定
CHINA TROPICAL MEDICINE(2005)
Abstract
目的了解乐东县恶性疟原虫对抗疟药的敏感情况,以指导用药. 方法采用Rieckmann体外微量法,于1999年测定氯喹、哌喹、咯萘啶、青蒿琥酯、双氢青蒿素及其加用氯喹的敏感性. 结果测定上述药物的ID50依次为244nmol/L、464nmol/L、7lnmol/L、3nmol/L、4nmol/L与11/1.32nmol/L.完全抑制裂殖体形成的平均浓度(CIMC)依次为353nmol/L、672nmol/L、102nmol/L、10nmol/L、13nmol/L与19/1.86nmol/L.前3种药的抗性率依次为85.71%、42.86%与14.29%.结论恶性疟原虫对氯喹、哌喹、咯萘啶产生抗性,对青蒿琥酯与双氢青蒿素均敏感,氯喹与双氢青蒿素联用体外测定有增效作用.
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Key words
plasmodium falciparum,antimalarials,ledong county
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