2014
DOI: 10.1159/000365147
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Maternal Serum PAPP-A as an Early Marker of Obstetric Complications?

Abstract: Objective: The aim of this study was to investigate whether low first-trimester PAPP-A levels are associated with an adverse pregnancy outcome. Materials and Methods: A retrospective case-control study was carried out using a Down's syndrome assays database over a 6-year period, between the 8th and 11th week of pregnancy. There were 164 women with PAPP-A multiples of median (MoM) levels <0.3 and 1,640 women with PAPP-A MoM levels ≥0.3 who served as a control group. Outcome measures were the prevalence of misca… Show more

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Cited by 9 publications
(11 citation statements)
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“…Wright et al [16] commented that biases in the serum marker MoM levels can alter false-positive rates of double screen and in turn may alter overall performance of the screen if a fixed risk cutoff is used. However, the use of PAPP-A cutoff of below 0.3 at an earlier gestation did not improve the detection rate for adverse pregnancy outcomes as reported by Quattrocchi et al [17]. It might be worth Table 4 Univariate and multivariate regression analysis for PIH, OLIGO and C-section delivery looking at optimal cutoffs, on a larger sample if these markers are to be considered as predictors of LBW/PT.…”
Section: Discussionmentioning
confidence: 86%
“…Wright et al [16] commented that biases in the serum marker MoM levels can alter false-positive rates of double screen and in turn may alter overall performance of the screen if a fixed risk cutoff is used. However, the use of PAPP-A cutoff of below 0.3 at an earlier gestation did not improve the detection rate for adverse pregnancy outcomes as reported by Quattrocchi et al [17]. It might be worth Table 4 Univariate and multivariate regression analysis for PIH, OLIGO and C-section delivery looking at optimal cutoffs, on a larger sample if these markers are to be considered as predictors of LBW/PT.…”
Section: Discussionmentioning
confidence: 86%
“…La PAPP-A es una glicoproteína descubierta en 1974 por Lin y cols (14), en la sangre de mujeres embarazadas (14). Se trata de un tipo de metaloproteasa producida principalmente en el trofoblasto de la placenta y que aumenta su concentración hasta el final del embarazo (3,5,11,13,15,16) Su función principal es su acción proteolítica contra la IGFBP (insulin-like growth factor binding protein), permitiendo la liberación del factor de crecimiento insulínico (IGF). Éste juega un importante papel promoviendo la mitosis celular y diferenciación y el control de la invasión trofoblástica de la decidua (3,10,13,17).…”
Section: Discussionunclassified
“…Desde hace más de 20 años la PAPP-A se usa para el cribado de primer trimestre de anomalías cromosómicas. Se sabe que una PAPP-A baja se asocia a trisomías 21, 13, 18, y a la monosomía 45X0 (11,16,23,24). Más recientemente, han surgido trabajos que indican una relación entre niveles bajos de PAPP-A y eventos obstétricos adversos.…”
Section: Discussionunclassified
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