[Criteria for diagnosis of the neurological stage of human African trypanosomiasis: update and perspectives]

Abstract

International audienceSleeping sickness or human African trypanosomiasis (HAT) is due to parasite infection by a sanguicolous flagellate protozoan of the Trypanosoma brucei genus. The disease is classically divided into two stages, i.e., the hemolymphatic stage and the CNS stage. Disease staging is currently a major challenge for therapeutic decision-making. In the field, diagnosis is based solely on white blood cell (WBC) count and detection of the parasite in the patient's cerebrospinal fluid (CSF). This technique is unreliable and invasive. Numerous studies are now under way to adapt staging to field conditions and to develop a reliable, low-cost, non-invasive test. This article describes the mechanisms underlying CNS involvement during HAT and reviews the different techniques now being studied to simplify and improve diagnosis of the CNS stage

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    Last time updated on 12/11/2016