Parasitic infections during pregnancy : birth outcomes and immunological changes

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Parasitic infections during pregnancy : birth outcomes and immunological changes

Type: Doctoral Thesis
Title: Parasitic infections during pregnancy : birth outcomes and immunological changes
Author: Mombo-Ngoma, G.
Issue Date: 2016-07-07
Keywords: Parasites
Malaria
Schistosomiasis
Filariasis
Loiasis
Pregnancy
Low birthweight
Gabon
Abstract: Low birth weight including preterm birth and intrauterine growth retardation, remains important in sub-Saharan Africa and particularly highly prevalent in Gabon. Among the risk factors of low birth weight in sub-Saharan Africa are very young maternal age, first pregnancy, poor gestational nutrition and small stature of the mother. In Gabon, besides malaria, the other two major parasitic infections namely urogenital schistosomiasis and the filarial infection Loa loa, are common in pregnant women. Maternal schistosomiasis like malaria showed to be associated with higher proportions of low birth weight babies. Mefloquine as an alternative preventive treatment, despite showing no difference with sulphadoxine – pyrimethamine in preventing low birth weight, was however more effective in preventing malaria infection and anaemia. Mefloquine administered for the prevention of malaria was effective against concomitant urogenital schistosomiasis, suggesting that mefloquine could seriously be considered as a combined intervention for both malaria and schistosomiasis during pregnancy, and an alternative to praziquantel. Maternal infection with L. loa was associated with expansion in the neonatal cord blood of functionally activate Tregs that kept Th1 and Th17 immune responses in check, providing some insights on the impact of in utero exposure on the offspring’s development and health.
Promotor: Supervisors: M. Yazdanbakhsh; PG. Kremsner Co-Supervisor: M. Ramharter
Faculty: Medicine
University: Leiden
Uri: urn:isbn:9789461826978
Handle: http://hdl.handle.net/1887/41537
 

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