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Abstract(s)
O parto pré-termo continua a ser a principal causa de mortalidade e morbilidade perinatal, apesar das melhorias na prevenção, no diagnóstico e no tratamento.
Várias estratégias têm sido tentadas para diminuir a incidência de parto pré-termo mas, infelizmente, todas elas têm sido ineficazes.
No entanto, a existência de uma relação inversa entre o comprimento do colo do útero em mulheres grávidas e o risco de parto pré-termo levou a que a Cervicometria (medição do comprimento cervical uterino) se tornasse o método de rastreio de risco de parto pré-termo mais consensualmente aceite.
Neste contexto, a avaliação do colo do útero por ecografia transvaginal, entre as 22 e as 24 semanas de gestação, permite identificar as grávidas com alterações do comprimento (colos curtos <25mm e muito curtos <15mm), associadas a risco de parto pré-termo.
A detecção destas grávidas com alto risco de parto pré-termo, permite aplicar medidas adequadas a evitá-lo, tais como a suplementação com Progesterona e a Ciclorrafia (Cérclage), e assim prevenir ou atrasar a ocorrência de parto pré-termo nas populações seleccionadas.
Preterm birth remains the leading cause of perinatal mortality and morbility despite improvements in obstetrical prevention, diagnosis and treatment. Various strategies have been tried to reduce the incidence of preterm birth but, unfortunately they all have been ineffective. However, the existence of an inverse relationship between the uterine cervical length in pregnant women and the risk of preterm birth led to the systematic measurement of cervical length that became the most widely used method of screening for preterm birth risk. In this context, the evaluation of the cervix by tranvaginal ultrasound, at 22 and 24 weeks of gestation, allows to detect pregnant women with cervical changes, particularly on the length (short cervix <25mm and very short <15mm) and so to predict an increased risk of preterm birth. The detection of these pregnant women at higher risk for preterm birth (short cervices) allows to initiate the most appropriate measures such as supplementation with Progesterone and Cerclage to prevent or delay the occurrence of preterm birth in the selected populations.
Preterm birth remains the leading cause of perinatal mortality and morbility despite improvements in obstetrical prevention, diagnosis and treatment. Various strategies have been tried to reduce the incidence of preterm birth but, unfortunately they all have been ineffective. However, the existence of an inverse relationship between the uterine cervical length in pregnant women and the risk of preterm birth led to the systematic measurement of cervical length that became the most widely used method of screening for preterm birth risk. In this context, the evaluation of the cervix by tranvaginal ultrasound, at 22 and 24 weeks of gestation, allows to detect pregnant women with cervical changes, particularly on the length (short cervix <25mm and very short <15mm) and so to predict an increased risk of preterm birth. The detection of these pregnant women at higher risk for preterm birth (short cervices) allows to initiate the most appropriate measures such as supplementation with Progesterone and Cerclage to prevent or delay the occurrence of preterm birth in the selected populations.
Description
Keywords
Parto pré-termo Parto pré-termo - Diagnóstico Cervicometria - Gravidez Parto pré-termo - Colo curto Parto pré-termo - Progesterona vaginal
Citation
Publisher
Universidade da Beira Interior