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vol.74 issue4TRATAMIENTO POR FETOSCOPIA DEL SÍNDROME DE TRANSFUSIÓN FETO FETAL EN CLÍNICA ALEMANA DE SANTIAGOCONIZACIÓN LEEP EN NIE DE ALTO GRADO EN UNA INSTITUCIÓN PRIVADA DE SALUD author indexsubject indexarticles search
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Revista chilena de obstetricia y ginecología

Print version ISSN 0048-766XOn-line version ISSN 0717-7526

Abstract

NUNEZ V, Felipe  and  CARVAJAL C, Jorge. EFECTIVIDAD DE LA HIPEROXIGENACIÓN MATERNA Y TOCOLISIS AGUDA EN MONITOREO ELECTRÓNICO FETAL INTRAPARTO ALTERADO. Rev. chil. obstet. ginecol. [online]. 2009, vol.74, n.4, pp.247-252. ISSN 0048-766X.  http://dx.doi.org/10.4067/S0717-75262009000400007.

Labor is a risk condition for acute fetal hypoxia, this hypoxia can be detected by using cardiotocography (CTG). When CTG suggest hypoxia, intrauterine resuscitation techniques must be implemented, such as lateral positioning of the mother, intravenous fluid administration and suspension of oxytocin administration. Among intrauterine resuscitation techniques it is discussed the use of maternal hyperoxygenation and acute tocolysis. Here we review the evidence supporting utility and safety of these two techniques. We found only limited evidence supporting the beneficial role of maternal hyperoxygenation after nonreassuring CTG, plus concerns about its safety. Acute tocolysis has proven to be efficient in normalizing CTG, independent of the presence of uterine hyperactivity, with an overall benefit of 80%. Evidence supports the use of B-mimetics and nitroglycerin. We recommend to include acute tocolysis and maternal hyperoxygenation (just for limited time), among intrauterine resuscitation techniques for abnormal CTG.

Keywords : Cardiotocography; fetal hypoxia; maternal hyperoxygenation; acute tocolysis; intrauterine resuscitation.

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