Perfil clínico-epidemiológico das gestações gemelares com parto no Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo no período de 2003 a 2006 / Clinical and epidemiological profile of twin pregnancies delivered at Hospital das Clínicas, São Paulo University Medical School, between 2003 and 2006

AUTOR(ES)
DATA DE PUBLICAÇÃO

2008

RESUMO

The aims of this retrospective study were to describe clinical and epidemiological aspects of twin pregnancies delivered between January 2003 and December 2006 at the Hospital das Clínicas, São Paulo University Medical School. Maternal complications and perinatal outcome were also studied. Amongst 303 twin pregnancies delivered at a gestational age of more than 20 weeks, 289 cases had completed medical records. The incidence of twin deliveries was 3.3% and 96.2% were naturally conceived. 60.5% were dichorionic (DC), 30.8% monochorionic diamniotic (MCDA), 6.6% monochorionic monoamniotic (MCMA) and in 2.1% of cases, chorionicity was unknown. Mean maternal age was 29.1 years and 39.4% were nulliparous. About 30% of women had a prior clinical history and the most frequent conditions were: chronic hypertension (12.5%), cardiac disease (4.8%) and respiratory complications (4.5%). Pregnancy complications were observed in 85.1% of the cases, and the most common were preterm delivery (65.7%), pregnancy induced hypertension (15.6%) and premature rupture of membranes (13.5%). In this group, there were 395 hospital admissions (1.4 admissions per patient) and the average length of stay was 6.1 days (range 1 to 65 days). Of these, 45.8% were for pregnancy resolution due to labor or maternal-fetal complications. Mean gestational age at delivery was 34.6 weeks, being significantly lower in monochorionic compared to dichorionic twins (33.5 versus 35.4 weeks, p<0001). Cesarean section was the most common route of delivery (84.8%). Amongst the 578 fetuses/newborns, three were acardiac (0.5%), 35 were stillbirths (6.0%) and 540 were born alive (93.5%). Neonatal death occurred in 11.5%, and was 2.8 times higher in MC pregnancies compared to DC. The most common perinatal complications were preterm birth (65.7%), low birth weight (71.8%), fetal growth restriction (18.7%) and fetal malformations (13.6%). All these complications were significantly worse in MC compared to DC pregnancies. Twin pregnancies show high rates of maternal and perinatal complications, such as preterm birth, hypertension, premature rupture of membranes, fetal birth defects and complications inherent to monochorionicity

ASSUNTO(S)

gêmeos resultado da gravidez hospitalization complicações na gravidez epidemiologia descritiva pregnancy outcome twin pregnancy complications epidemiology descriptive hospitalização nascimento prematuro premature birth

ACESSO AO ARTIGO

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