Accuracy of cervical transvaginal sonography in predicting preterm birth: a systematic review

Honest, H.; Bachmann, Lukas; Coomarasamy, Arri; Gupta, JK; Kleijnen, Jos; Khan, Khalid S.

doi:10.1002/uog.202

Cited by 188 publications

(150 citation statements)

References 52 publications

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“…The diagnostic accuracy also depends on the gestational age, the applied cut-off values, whether there are additional symptoms of SPB, and whether the pregnancies are singleton or multiple 10 . In our study, we did not differentiate between 'symptomatic' or 'asymptomatic', but between different positions, which is easier to define and categorize.…”

Section: Discussionmentioning

confidence: 99%

“…It is recognized that a short cervix detected by TVS with the woman in a recumbent position is a strong predictor of SPB for both singleton and twin pregnancies, and the predictive value depends on the gestational age at detection, the cut-off value and even additional clinical symptoms 10 . To examine specifically mechanical properties of a cervix at risk for SPB, transfundal pressure and straining have been proposed 11,12 .…”

Section: Introductionmentioning

confidence: 99%

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Comparison of transvaginal sonography in recumbent and standing maternal positions to predict spontaneous preterm birth in singleton and twin pregnancies

Arabin

Roos

Kollen

et al. 2006

Ultrasound in Obstet & Gyne

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of transvaginal sonography in recumbent and standing maternal positions to predict spontaneous preterm birth in singleton and twin pregnancies

Arabin

Roos

Kollen

et al. 2006

Ultrasound in Obstet & Gyne

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“…The performance of cervical length measurement for the prediction of preterm birth in symptomatic women has been systematically reviewed before, either as a stand-alone review of studies in symptomatic women 42 , or as a subset of a wider meta-analysis including both symptomatic and asymptomatic women 43,44 . In comparison with these publications, our analysis has included much larger samples, as many of the largest studies have been published within the last 5 years.…”

Section: Strengths and Limitations Of Our Analysis: Heterogeneitymentioning

confidence: 99%

Transvaginal cervical length measurement for prediction of preterm birth in women with threatened preterm labor: a meta‐analysis

Sotiriadis

Papatheodorou

Kavvadias

et al. 2009

Ultrasound in Obstet & Gyne

172

116

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Objectives To integrate data on the performance of cervical length measurement for the prediction of preterm birth in symptomatic women. CI, 90.5% (95% CI, 5.71 (95% CI,, respectively. The same estimates for studies with presentation at or before 34 + 0 weeks were 71.0% (95% CI, 89.8% (95% CI, 5.19 (95% CI,, respectively. For prediction of birth before 34 weeks, the pooled sensitivity, specificity, LR+ and LR− of cervical length < 15 mm were 46.2% (95% CI, 93.7% (95% CI, 4.31 (95% CI, Methods

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“…, 2 There is good data demonstrating an association between PTD and a short cervix, measured by ultrasound 3 . A recent meta‐analysis suggests that the rate of PTD can be reduced by treating women who have a short cervix with progesterone 4 .…”

Section: Introductionmentioning

confidence: 99%

Cervical length measurement: Comparison of transabdominal and transvaginal approach

Westerway

Pedersen

Hyett

2015

Australas J Ultrason Med

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Objective: To compare transabdominal (TA) and transvaginal (TV) ultrasound assessment of cervical length at 16–41 weeks gestation. Methods: TA and TV ultrasound measurements of cervical length were made on 491 pregnancies of 16–41 weeks gestation. Cervical length was measured from internal to external cervical os. Bland‐Altman plots and Wilcoxon signed rank test were used to evaluate differences between TA and TV measurements. Results: The validity of the TA method depended on cervical length. Although the TA method underestimated cervical length by 2.0 mm on average (P < 0.001), Bland Altman plots showed an inverse trend with shorter cervixes. In women with a cervix < 25 mm (n = 30) based on TV scan measurement, TA overestimated cervical length by 12 mm (P < 0.001). The sensitivity and specificity of TA as a test to detect cervical length < 25 mm were 10% (95% CI: 2.1–26%) and 94% (95% CI: 92–96%) respectively; the negative LR was 0.96 (95% CI: 0.84–1.08). The maximum area under the ROC curve would be obtained at a TA cut‐off = 32 mm (to detect a cervix < 25 mm), corresponding to a sensitivity of 77% and a specificity of 58%. Conclusion: TA measurements do not reflect TV assessment accurately, particularly if the cervix is short. At 24–34 weeks, a policy of proceeding to TV scan if TA measurement is < 25 mm will only detect 10% of affected pregnancies and has a poor positive predictive value so is of limited value as a predictive tool for women attending with symptoms and signs of preterm labour > 24 weeks gestation. There is no value in TA assessment of the cervix > 36 weeks.

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Accuracy of cervical transvaginal sonography in predicting preterm birth: a systematic review

Abstract: 6.29 (95% CI,

Cited by 188 publications

References 52 publications

Comparison of transvaginal sonography in recumbent and standing maternal positions to predict spontaneous preterm birth in singleton and twin pregnancies

Comparison of transvaginal sonography in recumbent and standing maternal positions to predict spontaneous preterm birth in singleton and twin pregnancies

Transvaginal cervical length measurement for prediction of preterm birth in women with threatened preterm labor: a meta‐analysis

Cervical length measurement: Comparison of transabdominal and transvaginal approach

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