Characteristics of Travel-Related Severe Plasmodium vivax and Plasmodium falciparum Malaria in Individuals Hospitalized at a Tertiary Referral Center in Lima, Peru.

Llanos-Chea, Fiorella;Martínez, Dalila;Rosas Aguirre, Angel;Samalvides, Frine;Llanos-Cuentas, Alejandro;et.al.
(2015) American Journal of Tropical Medicine and Hygiene — Vol. 93, p. 1249-1253 (2015)

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Authors
  • Llanos-Chea, Fiorella
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  • Martínez, Dalila
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  • Rosas Aguirre, Angelorcid-logoUCLouvain
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  • Samalvides, Frine
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  • Llanos-Cuentas, Alejandro
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Abstract
Severe Plasmodium falciparum malaria is uncommon in South America. Lima, Peru, while not endemic for malaria, is home to specialized centers for infectious diseases that admit and manage patients with severe malaria (SM), all of whom contracted infection during travel. This retrospective study describes severe travel-related malaria in individuals admitted to one tertiary care referral hospital in Lima, Peru; severity was classified based on criteria published by the World Health Organization in 2000. Data were abstracted from medical records of patients with SM admitted to Hospital Nacional Cayetano Heredia from 2006 to 2011. Of 33 SM cases with complete clinical data, the mean age was 39 years and the male/female ratio was 2.8. Most cases were contracted in known endemic regions within Peru: Amazonia (47%), the central jungle (18%), and the northern coast (12%); cases were also found in five (15%) travelers returning from Africa. Plasmodium vivax was most commonly identified (71%) among the severe infections, followed by P. falciparum (18%); mixed infections composed 11% of the group. Among the criteria of severity, jaundice was most common (58%), followed by severe thrombocytopenia (47%), hyperpyrexia (32%), and shock (15%). Plasmodium vivax mono-infection predominated as the etiology of SM in cases acquired in Peru.
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Llanos-Chea, F., Martínez, D., Rosas Aguirre, A., Samalvides, F., Vinetz, J. M., & Llanos-Cuentas, A. (2015). Characteristics of Travel-Related Severe Plasmodium vivax and Plasmodium falciparum Malaria in Individuals Hospitalized at a Tertiary Referral Center in Lima, Peru. American Journal of Tropical Medicine and Hygiene, 93, 1249-1253. https://doi.org/10.4269/ajtmh.14-0652 (Original work published 2015)