PMID: 19946387Dec 1, 2009Paper

Severe atovaquone-resistant Plasmodium falciparum malaria in a Canadian traveller returned from the Indian subcontinent.

Open Medicine : a Peer-reviewed, Independent, Open-access Journal
Thomas L PerryK C Kain

Abstract

We report the first case of atovaquone/proguanil treatment failure in severe Plasmodium falciparum malaria acquired by a non-immune traveller to the Indian subcontinent. Recrudescent infection was complicated by neurological involvement 14 days after directly observed therapy with atovaquone/proguanil. Sequence analysis of the plasmodial cytochrome b gene confirmed a contribution of atovaquone resistance to treatment failure. The recrudescent isolate had a single mutation at position 268 (Tyr268Cys). Video recordings illustrate dramatic but ephemeral manifestations of malaria with neurological involvement.

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