Chloroquine resistance in plasmodium vivax

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  1. Scoobstr Well-Known Member

    Chloroquine resistance in plasmodium vivax


    “Presumptive treatment” without the benefit of laboratory confirmation should be reserved for extreme circumstances (strong clinical suspicion or severe disease in a setting where prompt laboratory diagnosis is not available). Once the diagnosis of malaria has been made, appropriate antimalarial treatment must be initiated immediately.

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    Malaria. Chloroquine has long been used in the treatment or prevention of malaria from Plasmodium vivax, P. ovale, and P. malariae, excluding the malaria parasite Plasmodium falciparum, for it started to develop widespread resistance to it. Chloroquine has been extensively used in mass drug administrations. Jul 16, 2018 Plasmodium vivax resistance to chloroquine CQRPv is difficult to detect due to the low level of parasitaemia among parasite carriers and also to distinguish from relapses to reinfections. The first reports of CQRPv were from 1989 3, 4, 30 years after the resistance report for Plasmodium falciparum. Chloroquine remains the treatment of choice for vivax malaria, except in Indonesia's Irian Jaya Western New Guinea region and the geographically contiguous Papua New Guinea, where chloroquine resistance is common up to 20% resistance. Chloroquine resistance is an increasing problem in other parts of the world, such as Korea and India.

    The clinical status of the patient: Patients diagnosed with malaria are generally categorized as having either uncomplicated or severe malaria. Treatment should be guided by three main factors: infections, the urgent initiation of appropriate therapy is especially critical.

    Chloroquine resistance in plasmodium vivax

    Plasmodium vivax and drug resistance Worldwide., Chloroquine resistance is associated to multi-copy pvcrt - o.

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  4. Feb 27, 2015 Chloroquine has been used as the first-line treatment for Plasmodium vivax since 1946 1. Treatment failure of chloroquine in P. vivax has, however, been increasing in some malaria endemic countries. The resistance was first reported in Papua New Guinea 2, and was subsequently reported in several countries in Asia 3 - 8.

    • Plasmodium vivax Drug Resistance Genes. - PubMed Central PMC.
    • Plasmodium vivax - Wikipedia.
    • Chloroquine-resistant Plasmodium vivax in Pakistan an..

    Sep 15, 2001 The tremendous success of chloroquine and its heavy use through the decades eventually led to chloroquine resistance in Plasmodium falciparum and Plasmodium vivax the 2 parasite species responsible for most human malaria cases. Chloroquine is the first-line treatment for Plasmodium vivax malaria in most endemic countries, but resistance is increasing. Monitoring of antimalarial efficacy is essential, but in P vivax infections the assessment of treatment efficacy is confounded by relapse from the dormant liver stages. Here, a cross of Plasmodium vivax malaria parasites links a chloroquine resistance CQR phenotype to a 76 kb region of chromosome 1 and greater expression of pvcrt, an ortholog of the Plasmodium.

     
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