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http://hdl.handle.net/10553/123596
Título: | Increased peripartum mortality associated with maternal subclinical malaria in Mozambique | Autores/as: | Jaén-Sánchez, Nieves González Azpeitia, Gloria Carranza Rodríguez, Cristina Manwere, Nicholas Garay Sanchez, Paloma Vallejo Torres, Laura Pérez Arellano, José Luis |
Clasificación UNESCO: | 32 Ciencias médicas 320505 Enfermedades infecciosas |
Palabras clave: | Subclinical malaria Pregnancy Preeclampsia/eclampsia HIV Mozambique |
Fecha de publicación: | 2023 | Publicación seriada: | Malaria Journal | Resumen: | Background Plasmodium falciparum infection in pregnant women in sub-Saharan Africa is often asymptomatic. As these forms of malaria are often submicroscopic and difficult to diagnose by conventional methods (microscopy and/or rapid diagnostic test), diagnosis requires the use of molecular techniques such as polymerase chain reaction (PCR). This study analyses the prevalence of subclinical malaria and its association with adverse maternal and neonatal outcomes, a topic that has been scarcely evaluated in the literature. Methods A cross-sectional study was conducted using semi-nested multiplex PCR to assess the presence of P. falciparum in placental and peripheral blood of 232 parturient pregnant women at the Hospital Provincial de Tete, Mozambique between March 2017 and May 2019. Multivariate regressions were performed to assess the associations of maternal subclinical malaria with several maternal and neonatal outcomes after controlling for the presence of preeclampsia/eclampsia (PE/E) and HIV infection, as well as for other maternal and pregnancy characteristics. Results In total, 17.2% (n = 40) of the women studied had positive PCR for P. falciparum (7 in placental blood only, 3 in peripheral blood only). We found a significant association between subclinical malaria and a higher peripartum mortality risk, which persisted after controlling for maternal comorbidity and maternal and pregnancy characteristics (adjusted odds ratio: 3.50 [1.11–10.97]). In addition, PE/E and HIV infections were also significantly associated with several adverse maternal and neonatal outcomes. Conclusion This study demonstrated the association of subclinical malaria, as well as of PE/E and HIV, in pregnant women with adverse maternal and neonatal outcomes. Therefore, molecular methods may be sensitive tools to identify asymptomatic infections that can reduce the impact on peripartum mortality and their contribution to sustained transmission of the parasite in endemic countries. | URI: | http://hdl.handle.net/10553/123596 | ISSN: | 1475-2875 | DOI: | 10.1186/s12936-023-04613-3 | Fuente: | Malaria Journal [ISSN 1475-2875], v. 22, 182, (Junio 2023) |
Colección: | Artículos |
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