Terminal Complement Activation in Preeclampsia

Richard M. Burwick, Jesús A. Velásquez, Catalina M. Valencia, Jorge Gutiérrez-Marín, Francisco Edna-Estrada, Jaime L. Silva, Juliana Trujillo-Otálvaro, Johanna Vargas-Rodríguez, Yamile Bernal, Alvaro Quintero, Mónica Rincón, Jorge E. Tolosa

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39 Citas (Scopus)


OBJECTIVE:To evaluate whether C5b-9 concentrations in blood and urine are increased in preeclampsia with severe features.METHODS:The Complement and Preeclampsia in the Americas study is a prospective, multicenter case-control study performed at six centers in Colombia from November 2015 to July 2016. The case group included women with preeclampsia with severe features, and the control group included women who were healthy or had chronic hypertension, gestational hypertension, or preeclampsia without severe features. We enrolled two women in the control group for every woman in the case group. Soluble C5b-9 concentrations were measured by enzyme-linked immunosorbent assays in blood and urine. The primary outcome was C5b-9 concentrations in women in the case group compared with all women in the control group, and the secondary outcome was C5b-9 levels in women in the case group compared with individual control subgroups. Differences were assessed by test of medians, and associations were further evaluated by receiver operating characteristic curve analysis and logistic regression with α=0.05.RESULTS:Three hundred fifty-two patients were enrolled. Plasma C5b-9 concentrations did not differ significantly between women in the case group and those in the control group, but urine C5b-9 concentrations were higher in women in the case group (median [interquartile range] 9.9 [1.6-43.7] vs 1.8 [0.54-4.1] ng/mL, P
Idioma originalEspañol (Colombia)
Páginas (desde-hasta)1477-1485
Número de páginas9
PublicaciónObstetrics and Gynecology
EstadoPublicada - 2018
Publicado de forma externa

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