Examinando por Materia "Atonía Uterina"

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    ÍtemAcceso abierto
    Postpartum hemorrhage due to uterine atony
    (Universidad Privada Norbert Wiener, 2022-02-10) Quispe Cossio, Dalila Isabel; Velasquez Rojas, Yesabella Natali; Rodriguez Chávez, Carlos Leonidas
    This case presents a 41-year-old patient, a grand multipara with a history of 5 vaginal deliveries, one of which was macrosomic. Additionally, she has mild preeclampsia. She is admitted at 3 centimeters dilated and experiences hypodynamia during labor, which leads to the stimulation of labor. The delivery initially progresses normally, but then uterine atony develops, which is managed with the application of the red code.
  • Miniatura
    ÍtemAcceso abierto
    UTERINE ATONY AS A RISK FACTOR ASCIATED TO POSTPARTUM HEMORRHAGE
    (Universidad Privada Norbert Wiener, 2023-01-26) Figueroa Parian, Dinna María; Ayala Peralta, Félix Dasio
    Results: 31 studies were selected. The prevalence of uterine atony ranges from 1.1% to 48.5%. The sociodemographic factors are Hispanic ethnicity with an odds ratio (OR) of 1.24 to 2.1; Asian OR = 1.45 to 1.72; African American OR = 0.99 to 1.14; and advanced maternal age OR = 1.7 to 7.9. Maternal history and comorbidities were: previous postpartum hemorrhage OR = 1.47 to 22.7; previous cesarean section OR = 1.02 to 8.3; previous anemia OR = 1.84 to 4.27; hypertension OR = 1.63 to 4.90; diabetes OR = 1.11 to 1.28; and uterine fibroids OR = 0.74 to 1.84. In pregnancy, fetal macrosomia OR = 1.21 to 6.28; multiple gestation OR = 1.17 to 8.0; placenta previa OR = 3.91 to 9.75; and polyhydramnios OR = 1.0 to 5.97; and labor associated with uterine atony reports prolonged labor OR = 1.30 to 5.24; use of oxytocin OR = 1.04 to 2.97; induction of labor OR = 1.12 to 1.54; chorioamnionitis OR = 1.08 to 4.38; perineal tear OR = 1.27 to 2.12; vaginal trauma OR = 1.56 to 3.07; cervical tear OR = 3.70 to 8.37; and instrumental vaginal delivery OR = 1.05 to 1.88. Conclusions: The prevalence of uterine atony ranges from 1.1% to 48.5%. The main associated factors are ethnicity, advanced maternal age, previous postpartum hemorrhage, previous cesarean section, macrosomia, multiple gestation, placenta previa, prolonged labor, use of oxytocin, induction of labor, chorioamnionitis, perineal tear, and cervical tear.