Introduction:

Malaria is a potentially fatal acute febrile illness caused by parasites transmitted by the Anopheles mosquito. Non-falciparum malaria (NFM), caused by other Plasmodium species, is less documented in the international literature, despite its prevalence.

Objectives:

To describe clinical and epidemiological aspects of interest for the treatment of patients hospitalized with a diagnosis of imported NFM, and to determine the relationship between response to treatment and other variables.

Methods:

It was conducted an analytical cross-sectional study of 89 adult patients with imported NFM, admitted to the Department of Medicine of the Institute of Tropical Medicine Pedro Kourí, between January 1997 to December 2017. The prophylaxis and treatment guideline was determined according to the published guidelines and drugs available in Cuba, and the definition of severe malaria by WHO in 2003. There was delayed response to treatment when the patient took more than 7 days to become negative for thick blood smear.

Results:

Patients were predominantly male, with a mean age of 37.2 years. Plasmodium vivax was isolated in 85.4% of the patients and 55.1% were from the Americas region. The response to treatment was excellent with the chloroquine-based combination regimens used. The relationship between the delayed response to treatment and the severity of the clinical picture and the non-immune status of the patients was significant.

Conclusions:

NFM is an important cause of imported malaria in patients from endemic areas, mainly from the Americas. It is characterized by low parasitemia, clinical manifestations of fever, chills, headache and evolution towards uncomplicated symptoms. Chloroquine was the drug of choice, although the delayed response to treatment does not justify its suspension or variation.

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