Abstract
To describe the maternal and fetal outcomes with the use of the Foley catheter for induction of labor in high-risk pregnant women with previous caesarean section. An interventive and descriptive study was conducted from November 2013 to June 2014. A total of 39 pregnant women at term, with a live fetus, cephalic presentation, estimated fetal weight <4,000 g, with previous cesarean section, medical indications for induction of labor, Bishop score ≤6 and amniotic fluid index >5 cm were included. A number 16F Foley catheter was introduced for a maximum of 24 hours, and was considered to be satisfactory when the patient began labor within 24 hours. Labor was successfully induced in 79.5% of pregnant women. Nine women achieved vaginal delivery (23.1%), with a frequency of 18% of vaginal births occurring within 24 hours. The main indications for the induction of labor were hypertensive disorders (75%). The mean interval between the placement of the Foley catheter and the beginning of labor and delivery were 8.7±7.1 and 14.7±9.8 hours, respectively. Meconium-stained amniotic fluid was observed in two patients; and an Apgar score <7 in the first minute was detected in 5 newborns (12.8%). The Foley catheter is an alternative for the induction of labor in women with previous caesarean section, despite the low vaginal delivery rate.
Highlights
To describe the maternal and fetal outcomes with the use of the Foley catheter for induction of labor in highrisk pregnant women with previous caesarean section
As principais indicações da indução do parto foram síndromes hipertensivas (75%; n=30), seguida de diabetes (20%, n=8), ruptura prematura das membranas (5%; n=2), gestação prolongada (2,5%; n=1) e líquido amniótico diminuído (2,5%; n=1)
A taxa de parto vaginal foi menor do que a encontrada em outros estudos que utilizaram a sonda de Foley em mulheres com cesariana prévia, o qual variou entre 43,7 e 64,1%16,17,20,21
Summary
To describe the maternal and fetal outcomes with the use of the Foley catheter for induction of labor in highrisk pregnant women with previous caesarean section. A sonda de Foley é usada na indução do trabalho de parto, principalmente nos casos em que há contraindicação para uso das prostaglandinas, como na presença de cesariana anterior[8,11,12].
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