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Meconium-stained amniotic fluid in labor: a randomized trial of prophylactic amniofusion
A Puertas1, M Paz Carrillo, L Moltó
1Department of Obstetrics and Gynecology, Virgen de las Nieves University Hospital, Avda de las Fuerzas Armadas s/n, 18014 Granada, Spain. apuertas@hvn.sas.cica.es
Objectives:
To investigate the effect of amnioinfusion in women with meconium-stained amniotic fluid on the rate of cesarian sections and on neonatal morbidity.
Study Design:
A randomized controlled trial. A total of 206 women with meconium-stained amniotic fluid were assigned to receive amnioinfusion via two-way catheter or no amnioinfusion (control group). The catheter was inserted and other treatment was the same in both groups.
Results:
Amnioinfusion decreased the rate of cesarian sections for fetal distress (RR 0.23, 95% CI 0.07-0.79) and increased mean pH at birth (7.24+/-0.1 versus 7.21+/-0.1, P<0.05). It also decreased the frequency of variable fetal heart rate decelerations (RR 0.74, 95% CI 0.59-0.92), and of meconium below the vocal cords in neonates (RR 0.37, 95% CI 0.19-0.69).
Conclusions:
Amnioinfusion improves the neonatal outcome and reduces the frequency of cesarian sections.