ISABELA KARINE RODRIGUES AGRA

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LIM/57 - Laboratório de Fisiologia Obstétrica, Hospital das Clínicas, Faculdade de Medicina

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Autor e Coautores FMUSP-HC Normalizados: MARIO HENRIQUE BURLACCHINI DE CARVALHO ×

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  • article 3 Citação(ões) na Scopus
    The effect of prenatally administered vaginal progesterone on uterine artery Doppler in asymptomatic twin pregnancies
    (2016) AGRA, Isabela K. R.; BRIZOT, Maria L.; MIYADAHIRA, Mariana Y.; CARVALHO, Mario H. B.; FRANCISCO, Rossana P. V.; ZUGAIB, Marcelo
    Objectives: This study investigated the influence of vaginal progesterone on uterine circulation in asymptomatic twin gestations. Study design: This study was a secondary analysis of a randomized, double-blind, placebo-controlled trial of twin pregnancies exposed to vaginal progesterone or placebo. We included all trial participants who had undergone uterine artery pulsatility index evaluation at the time of randomization. During each ultrasound examination, the uterine artery pulsatility index was evaluated transabdominally. The mean uterine artery pulsatility index between the progesterone and placebo groups were compared for each gestational age, starting between 18 to 34 weeks and 6 days and were analyzed at three (Time 1), six (Time 2) and nine (Time 3) weeks after randomization. Results: The final analysis included 128 women in the progesterone group and 122 women in the placebo group. The baseline characteristics were similar in both groups. No difference in the mean uterine artery pulsatility index was observed between the progesterone and placebo groups at each week of gestation or throughout gestation. Conclusions: In twin pregnancies, the use of vaginal progesterone in the second half of pregnancy does not influence uterine circulation.
  • article 1 Citação(ões) na Scopus
    The effect of prenatal vaginal progesterone on cervical length in nonselected twin pregnancies
    (2019) AGRA, Isabela K. R.; CARVALHO, Mario H. B.; HERNANDEZ, Wagner R.; FRANCISCO, Rossana P. V.; ZUGAIB, Marcelo; BRIZOT, Maria L.
    Purpose: The aim of this study was to investigate the influence of vaginal progesterone on cervical length (CL) in asymptomatic nonselected twin gestations. Methods: This was a secondary analysis of a randomized, double-blind, placebo-controlled trial of twin pregnancies exposed to vaginal progesterone or placebo. The CL was examined at six different time periods: 18-21(+6) weeks (T1), 21-23(+6) weeks (T2), 24-26(+6) weeks (T3), 27-29(+6) weeks (T4), 30-32(+6) weeks (T5) and 33-34(+6) weeks (T6). The rate of cervical shortening per week and the percent cervical shortening were compared between the groups, with analyses of the entire cohort and of those who delivered spontaneously according to gestational age at birth. Results: The final analysis included 184 women in the progesterone group and 188 women in the placebo group. The baseline characteristics were similar in both groups. No differences in cervical shortening in terms of absolute value or percent shortening were observed between the groups at each time period or throughout gestation. Furthermore, no difference was found in cervical shortening for those who delivered spontaneously. Conclusion: Cervical shortening in asymptomatic nonselected twin pregnancies occurred at a similar rate, regardless of vaginal progesterone treatment.