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Previous issue date: 2010-12-09 / Aim: To evaluate the importance of cervical gland area (CGA) to predict spontaneous preterm birth (SPB). Method: A prospective study was performed from October 2008 to September 2009 of 102 singleton pregnancies at 20 and 24 weeks. A transvaginal ultrasound during the routine morphological scan investigated: the cervical length, CGA, its thickness and signs of cervical funneling. A preterm birth is defined as one that occurs at less than 37 weeks gestation. Ultrasound and clinical variables were submitted to univariate analysis by calculations of descriptive statistics, the Student t-test, percentages, and two-dimensional associative arrays evaluated using the Fisher exact test and odds ratio. The level of significance was set at 5%. Results: Of the 102 patients, four were lost in the follow up and seven were excluded as delivery was induced prematurely; ten patients presented spontaneous preterm births and 81 at term. The mean maternal age was 28.8 years old (18-41 years) without significant difference between the spontaneous preterm birth and term groups. There were statistical differences in the mean (33.9 vs. 36.1 cm), median (33.5 vs. 37.0 cm) and spread (standard deviation: 9.6 vs. 7.0) of the cervical length between the two groups. Risk factors for SPB gave an odds ratio of 15.06. All patients presented a CGA with a mean thickness of 8.4 mm (5.1 to 15 mm – SD: 3.1) for SPB and 8.9 mm (3.0 to 13.9 mm – SD: 2.3) for term individuals. Conclusion: The results suggest that the presence or absence and thickness of CGA are not correlated to SPB even in clinically or ultrasonographically high-risk patients. Further studies are necessary to reevaluate the parameters used to predict SPB. / Objetivo: Avaliar a importância do eco glandular endocervical (EGE) na predição de parto prematuro espontâneo (PPE). Método: Estudo prospectivo de 102 gestações únicas, entre 20-24 semanas, de outubro/2008 a setembro/2009. Na ecografia morfológica, o exame transvaginal avaliou: comprimento do colo uterino, EGE, espessura e sinal do afunilamento. Foi considerado PPE interrupção antes de 37 semanas de gestação. As avaliações ultrassonográfica e clínica foram submetidas à análise univariada pelos cálculos de estatísticas descritivas, teste t de Student, distribuições percentuais, tabelas associativas para análises bidimensionais, teste exato de Fisher e odds ratio no nível de significância de 5%. Resultados: Das 102 pacientes, quatro perderam seguimento, sete foram excluídas por parto prematuro induzido, dez pacientes apresentaram PPE e 81 parto a termo (PT). A idade materna média foi de 28,8 anos (18-41 anos), sem diferença nos dois grupos (PPE e PT). No comprimento do colo observaram-se diferenças na média (33,9 x 36,1 cm), mediana (33,5 x 37,0 cm) e na dispersão (desvio–padrão 9,6 x 7,0). Fatores de risco para PPE mostraram odds ratio de 15,06. Todas as pacientes apresentaram EGE, com espessura média de 8,4 mm (5,1 a 15 mm - desvio padrão 3,1) para PPE, e de 8,9 mm (3,0 a 13,9 mm - desvio padrão de 2,3) para PT. Conclusão: Os resultados indicam que a presença, ausência ou espessura do EGE não se correlacionou com PPE, mesmo naquelas pacientes com alto risco clínico e/ou ultrassonográfico de PPE. São necessárias novas pesquisas para reavaliação dos parâmetros indicadores de PPE.
| Identifer | oai:union.ndltd.org:IBICT/oai:localhost:tede/281 |
| Date | 09 December 2010 |
| Creators | Oliveira, Gustavo Henrique de |
| Contributors | Oliani, Antonio Hélio, Pastore, Ayrton Roberto, Mauad Filho, Francisco |
| Publisher | Faculdade de Medicina de São José do Rio Preto, Programa de Pós-Graduação em Ciências da Saúde, FAMERP, Brasil, Faculdade 1::Departamento 1 |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da FAMERP, instname:Faculdade de Medicina de São José do Rio Preto, instacron:FAMERP |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 1102159680310750095, 500, 500, 600, 306626487509624506, 8765449414823306929 |
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