Outcome of induction of labour using maternal characteristics, ultrasound assessment and biochemical state of the cervix

Cheung, Chun; Leung, Tak Yeung; Sahota, Daljit Singh; Chan, Oi Ka; Chan, Lin Wai; Fung, Tung; Lau, Tze Kin

doi:10.3109/14767051003678135

Cited by 29 publications

(35 citation statements)

References 26 publications

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“…These results, are limited because in these two models, they did not distinguish between cesarean performed for failed induction and cesarean section for other reasons as we did in our study. Neither Cheung et al [30] classiWed cesarean sections to assess preinduction sonographic, digital examination and biochemical changes in the cervix to predict induction outcome.…”

Section: Discussionmentioning

confidence: 98%

Sonographic cervical length as a predictor of type of delivery after induced labor

Gómez-Laencina

García²,

Asensio³

et al. 2011

Arch Gynecol Obstet

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Section: Discussionmentioning

confidence: 98%

Sonographic cervical length as a predictor of type of delivery after induced labor

Gómez-Laencina

García²,

Asensio³

et al. 2011

Arch Gynecol Obstet

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“…Por el contrario, en nuestro estudio, la paridad fue el factor con mayor capacidad predictiva en el resultado de parto. Por ello, decidimos integrarlo en los nuevos índices, coincidiendo con varios autores que también incorporaron la paridad en sus modelos predictivos en gestantes con IDP [10][11][12][15][16][17] . En este sentido, Dhall y col 18 intentaron en 1987 introducir el parámetro de la paridad en una nueva escala formada además por dilatación, borramiento y consistencia.…”

Section: Discussionunclassified

“…Esta nueva modificación se justificó porque la paridad puede modificar de forma relevante la probabilidad de parto [10][11][12] . Con ella, el índice pasó a tener una puntuación máxima de 15 puntos, aunque el estudio no aportó información sobre su capacidad predictiva.…”

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Predictive validity of Bishop and Burnett Scores for vaginal delivery modified by parity

Hernández‐Martínez

Molina‐Alarcón

Pascual-Pedreño

et al. 2017

An Sist Sanit Navar

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Fundamento. Validar la capacidad predictiva del resultado de parto de los índices Bishop (BS) y Burnett (BRS) frente a versiones modificadas en las que se incorpora la paridad (BSM y BRSM). Método.Cohortes históricas sobre un total de 728 inducciones realizadas durante los años 2011-2013 en el Hospital "La Mancha-Centro" (HLMC) de Alcázar de San Juan. Se evaluaron las características predictivas (aná-lisis de validez interna) mediante áreas bajo la curva (ABC) ROC de cada parámetro de los BS y BRS y de la paridad, así como de cada uno de los 4 índices.resultados. La paridad y todos los parámetros del BS y BRS, a excepción de la estación fetal y la posición del cuello, se asociaron con el resultado de parto. Se definieron dos nuevas escalas modificadas a partir del BS y BRS, previa eliminación del parámetro de la estación fetal, por ser el que menor capacidad discriminativa mostraba: BSM y BRSM. Se asignó un valor de 0 en las nulíparas y, en el caso de las multíparas, 3 puntos a BSM y 2 a BRSM. Los índices modificados mostraron una capacidad predictiva (ABC) de parto vaginal superior a la de los índices originales, tanto para BS (0,70 vs. 0,62) como para BRS (0,69 vs. 0,62).conclusión. Los índices modificados BSM y BRSM, donde se sustituye el parámetro altura de la presentación por la paridad, presentan mejor capacidad predictiva respecto de los índices originales BS y BRS para determinar el resultado de parto. results. Parity and all the parameters of BS and BRS, except for foetal station and cervical position, were associated with the outcome of labour. Two modified scales were defined on the basis of BS and BRS, following removal of the "foetal station" parameter due to its low discriminative capacity: BSM and BRSM. Nulliparity was given a value of 0 points, and multiparity a value of 3 points for BSM, and 2 for BRSM.Modified indices showed a higher predictive ability (AUC) for vaginal delivery than the original indices, for both BS (0.70 vs. 0.62) and for BRS (0.69 vs. 0.62).conclusion. Replacing the "foetal station" parameter with parity in BS and BRS, improves predictive capacity with regard to the original indices in order to determine the outcome of labour. Keywords

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“…[92][93][94][95][96] The biochemical markers (phIGFBP-1) in cervical secretions were assessed in preinduction but did not seem to improved the prediction of induction outcome. 90 Results from 2006 showed that ultrasound assessment of fetal head-perineum distance was predictive of labor outcome for women with prelabor rupture of membranes at term. 96 In 2008, Eggebø et al in a prospective study of 275 women admitted for induction of labor 97 aimed to compare this distance (measured by transperineal ultrasound as the shortest distance from the outer bony limit of the fetal skull to the skin surface of the perineum) with maternal factors, Bishop score and ultrasound measurements of cervical length, cervical angle and occiput position (assessed by transabdominal ultrasound imaging).…”

Section: Prediction When Planning Induction Of Labormentioning

confidence: 98%

“…However, in most clinics, and in most of the patients, the Bishop score 86 for more than 4 decades is still the 'gold standard' for assessing the prognostic of induction of labor, although is considered a subjective evaluation with limitations. 87 Transvaginal cervical length [88][89][90] or angle measurement 91 improved the prediction rate of the outcome of induction. Preinduction measurement of the cervical length increases the odds of cesarean section by about 10% for each 1 mm increase above 20 mm and the odds are about 75% lower in multiparae compared with nulliparae with the same cervical length.…”

Section: Prediction When Planning Induction Of Labormentioning

confidence: 98%

Applications of Ultrasound in Prelabor and Labor

Iliescu¹,

Antsaklis²,

Paulescu³

et al. 2012

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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Ultrasound is a crucial part of everyday obstetrical practice and becomes more and more important in the management of traditionally clinical aspects of obstetrics, such as management of labor and delivery, offering a possibly more objective method of examination. The rate of labor induction has doubled in the last two decades and more objective methods are needed to assess the possible outcome of an induction and help clinicians in order to counsel women appropriately. Regarding the management of labor there is extensive evidence that clinical assessment during labor is not accurate, with potential consecutive major implications in the decision-making and the prognosis of the delivery mode. Several studies have shown that ultrasound is an objective method of assessing labor and its progress and is very helpful in decision-making for instrumental deliveries. The purpose of this article is to review the evidence available in literature regarding the benefits and the role in general of ultrasonography in prelabor and labor.

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Outcome of induction of labour using maternal characteristics, ultrasound assessment and biochemical state of the cervix

Abstract: The combination of sonographic assessment of the cervix and maternal characteristics was superior to the either BS or CL alone in the prediction of the induction outcome. Inclusion of the absence/presence of phIGFBP-1 did not further improve induction outcome.

Cited by 29 publications

References 26 publications

Sonographic cervical length as a predictor of type of delivery after induced labor

Sonographic cervical length as a predictor of type of delivery after induced labor

Predictive validity of Bishop and Burnett Scores for vaginal delivery modified by parity

Applications of Ultrasound in Prelabor and Labor

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