ROSSANA PULCINELI VIEIRA FRANCISCO
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Obstetrícia e Ginecologia, Faculdade de Medicina - Docente
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/57 - Laboratório de Fisiologia Obstétrica, Hospital das Clínicas, Faculdade de Medicina - Líder
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/57 - Laboratório de Fisiologia Obstétrica, Hospital das Clínicas, Faculdade de Medicina - Líder
3 resultados
Resultados de Busca
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- Association between maternal exposure to air pollution before conception and sex determination in the city of Sao Paulo(2020) CARVALHO, Mariana Azevedo; HETTFLEISCH, Karen; RODRIGUES, Agatha S.; BENACHI, Alexandra; VIEIRA, Sandra Elisabete; SALDIVA, Silvia R. D. M.; SALDIVA, Paulo Hilario N.; FRANCISCO, Rossana Pulcineli Vieira; BERNARDES, Lisandra SteinIt has been widely demonstrated that air pollution can affect human health and that some pollutant gases can have negative impacts on female fertility rates and cause adverse obstetric outcomes, such as premature birth and low birth weight. Few studies have evaluated the impact of maternal exposure to urban air pollution on the number of female births. To evaluate the association between maternal exposure to air pollution during the year before conception and sex determination. This was a prospective study using low-risk pregnant women living in Sao Paulo, Brazil. The pollutants were measured by a fixed station during a 1-year period before conception. Sex was confirmed after birth. We used multiple logistic regression models to evaluate the association between the pollutants and the sex determination and to estimate the odds ratio (OR) and the 95% confidence interval (CI) of being female based on a quantitative increase in pollutant concentration. We evaluated 371 patients. Elevated exposure to nitrogen dioxide (NO2) and particulate matter lower than 10 mu m (PM10) prior to conception were associated with increased odds of being female. Each unit increase of NO(2)exposure increased the odds of being female by 8% (OR = 1.08, 95% CI = 1.02, 1.15,p = 0.008), and each unit increase of PM(10)increased the odds of being female by 14% (OR = 1.14, 95% CI 1.02 to 1.28,p = 0.021). In Sao Paulo, maternal exposure to pollutants was significantly associated with the odds of being female.
- Quantitative analysis of renal vascularization in fetuses with urinary tract obstruction by three-dimensional power-Doppler(2011) BERNARDES, Lisandra Stein; FRANCISCO, Rossana P. V.; SAADA, Julien; SALOMON, Remi; RUANO, Rodrigo; LORTAD-JACOB, Stephen; ZUGAIB, Marcelo; BENACHI, AlexandraOBJECTIVE: To evaluate the applicability of 3-dimensional evaluation of renal vascularization for predicting postnatal renal function in fetuses with suspected urinary obstruction. STUDY DESIGN: Fetuses were evaluated by 3-dimensional power-Doppler histogram, and vascular indices were estimated. Depth between the probe and the renal cortex was also evaluated. Postnatal follow-up was obtained in all cases and the main outcome was renal impairment. RESULTS: Twenty-three fetuses with urinary dilatation (cases) and 73 with normal renal morphology (controls) were included in the current study. Five (21.7%) cases developed renal impairment. Vascularization index and vascularization and flow index were significantly lower in fetuses that developed renal impairment compared with those with normal renal function (P = .009 and P = .036, respectively). The 3 vascular indexes correlated with depth. Percentage of depth-corrected vascularization index and vascularization flow index were lower in fetuses developing postnatal renal failure. CONCLUSION: Fetal renal vascularity (vascularization index and vascularization and flow index) was significantly lower in fetuses that developed renal impairment.
- Association between exposure to air pollution during intrauterine life and cephalic circumference of the newborn(2021) CARVALHO, Mariana Azevedo; HETTFLEISCH, Karen; RODRIGUES, Agatha S.; BENACHI, Alexandra; VIEIRA, Sandra Elisabete; SALDIVA, Silvia R. D. M.; SALDIVA, Paulo Hilario N.; FRANCISCO, Rossana Pulcineli Vieira; BERNARDES, Lisandra SteinIt has been observed that air pollution can affect newborn health due to the negative effects of pollutants on pregnancy development. However, few studies have evaluated the impact of maternal exposure to urban air pollution on head circumference (HC) at birth. Reduced head growth during pregnancy may be associated with neurocognitive deficits in childhood. The objectives of this study were to evaluate the association between maternal exposure to air pollution and HC at birth and to provide context with a systematic review to investigate this association. This was a prospective study of low-risk pregnant women living in Sao Paulo, Brazil. Exposure to pollutants, namely, nitrogen dioxide (NO2) and ozone (O-3), was measured during each trimester using passive personal samplers. We measured newborn HC until 24 h after birth. We used multiple linear regression models to evaluate the association between pollutants and HC while controlling for known determinants of pregnancy. To perform the systematic review, four different electronic databases were searched through November 2018: CENTRAL, EMBASE, LILACS, and MEDLINE. We selected longitudinal or transversal designs associating air pollution and HC at birth. Two reviewers evaluated the inclusion criteria and risk of bias and extracted data from the included papers. Thirteen studies were selected for the systematic review. We evaluated 391 patients, and we did not observe a significant association between air pollution and HC. Regarding the systematic review, 13 studies were selected for the systematic review, 8 studies showed an inverse association between maternal exposure to pollutants and HC, 4 showed no association, and one observed a direct association. In the city of Sao Paulo, maternal exposure to pollutants was not significantly associated with HC at birth. The systematic review suggested an inverse association between air pollution and HC at birth.