Human cutaneous leishmaniasis caused by Leishmania donovani sensu stricto in Yemen.
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Biomedical subjects
Publications and source records attributed to P Bastien.
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A retrospective study of the cerebral malaria cases occurred in five hospitals from 1975 to 1985 was conducted in the Republic of Vanuatu (ex-New Hébrides). The situation in this archipelago since 1980 of the epidemic type, with a dramatic increase in Plasmodium falciparum incidence and prevalence. A considerable increase of the incidence of cerebral malaria has been evidenced in the whole group, in parallel with that of the P. falciparum incidence. Moreover, an unusual age distribution has been noted, with a maximum incidence in the adult age group, and a minimum in the infant one. The most evident misleading factors have been excluded, and possible explanations for this particular distribution are discussed. Finally, this increase in cerebral malaria incidence did not appear to be directly due to the concomitant spread of chloroquine resistant P. falciparum over the country, but rather to the resulting increasing incidence of this parasite.
Cases of malaria caused by Plasmodium falciparum resistant to chloroquine treatment have been probably occurring in Vanuatu for many years. In this survey, seven patients with P. falciparum malaria were investigated for evidence of resistance to chloroquine. In-vitro resistance to chloroquine was demonstrated in four. Two further patients who had clinical resistance to chloroquine treatment developed cerebral malaria. It is of interest that one of these patients was subsequently successfully treated with mepacrine. Two additional cases are cited as examples of resistance to chloroquine treatment encountered in the past.