Resumo

BAQUERO-LATORRE, Hernando. Chikungunya fever in the neonatal period. Salud, Barranquilla [online]. 2015, vol.31, n.3, pp.642-650. ISSN 0120-5552.  https://doi.org/10.14482/sun.31.3.7494.

Chikungunya Fever is a tropical disease unattended in many countries due to its low mortality rate. The disease is caused by the chikungunya virus (VCHIK), which is a virus that belongs to the Alphavirus genus of the Togaviridae, the family of a number o viruses that are mostly transmitted by arthropods. Aedes aegypti and Aedes albopictus are the vectors responsible for human transmission by the bite of infected mosquitoes. VCHIK disease usually shows as a self-limited arthritis, except for immunocompromised patients and newborns, in such cases it can be a serious disease. Maternal-fetus transmission can be during pregnancy in uterus (congenital), at the time of delivery (perinatal) or through lactation (postnatal). Maternal infection spreads to the embryo and fetus by ascended infection from the vagina and cervix to amniotic fluid and blood due to viremia, parasitemia or bacteremia. Fetal hematogenous infection is common during maternal viremia periods when there is a VCHIK infection. Mother to child perinatal VCHIK infection is an unusual event that only occurs during massive outburst infections, when the risk of infection in pregnant women close to delivery is important. In this type of patients, 50 % of neonates develop infection; illness clinical signs include mainly prostration and encephalopathy.

Palavras-chave : Chikungunya; newborn; neonatal; placenta; perinatal.

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