Background:In acute falciparum malaria,asexual parasite reduction ratio two days post-treatment initiation(PRRD2)≥10000 per cycle has been used as a measure of the rapid clearance of parasitaemia and efficacy of arte...
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Background:In acute falciparum malaria,asexual parasite reduction ratio two days post-treatment initiation(PRRD2)≥10000 per cycle has been used as a measure of the rapid clearance of parasitaemia and efficacy of artemisinin ***,there is little evaluation of alternative measures;for example,parasite reduction ratio one day after treatment initiation(PRRD1)and its relationship with parasite clearance time(PCT)or *** study evaluated the use of PRRD1 as a measure of responsiveness to antimalarial ***:In acutely malarious children treated with artesunate-amodiaquine(AA),artemether-lumefantrine(AL)or dihydroartemisinin-piperaquine(DHP),the relationships between PRRD1 or PRRD2 and PCT,and between PRRD1 and PRRD2 were evaluated using linear *** between estimates of PCT using PRRD1 and PRRD2 linear regression equations was evaluated using the Bland-Altman *** of PRRD1>5000 per half cycle and PRRD2≥10000 per cycle were evaluated using stepwise multiple logistic regression *** the linear regression equation of the relationship between PRRD1 and PCT previously generated in half of the DHP-treated children during the early study phase,PCT estimates were compared in a prospective blinded manner with PCTs determined by microscopy during the later study phase in the remaining ***:In 919 malarious children,PRRD1 was significantly higher in DHP-and AA-treated compared with AL-treated children(P15months,parasitaemia>10000/μl and DHP treatment independently predicted PRRD1>5000 per half cycle,while age>30months,haematocrit≥31%,body temperature>37.4°C,parasi
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