Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/4352
Title: Transvaginal cervical length measurement for prediction of preterm birth in women with threatened preterm labor: a meta-analysis
Authors: Sotiriadis, Alexandros 
Papatheodorou, Stefania 
Kavvadias, Alexios
Keywords: Cervical length;Preterm birth;Ultrasound
Category: Clinical Medicine
Field: Medical and Health Sciences
Issue Date: 2010
Publisher: John Wiley & Sons, Ltd.
Source: Ultrasound in Obstetrics & Gynecology, 2009, Volume 35, Issue 1, Pages 54–64
Abstract: Objectives: To integrate data on the performance of cervical length measurement for the prediction of preterm birth in symptomatic women. Methods: MEDLINE, SCOPUS and manual searches for studies with transvaginal ultrasound measurement of the cervical length in symptomatic women were carried out. Random effects models were used for data integration, and pooled test estimates of sensitivity, specificity, and positive and negative likelihood ratios (LR+ and LR-) were calculated along with their 95% CIs. Results: Twenty-eight studies fulfilled the selection criteria. For birth within 1 week from presentation, the pooled sensitivity, specificity, LR+ and LR- of cervical length <15 mm were 59.9% (95% CI, 52.7-66.8%), 90.5% (95% CI, 89.0-91.9%), 5.71 (95% CI, 3.77-8.65) and 0.51 (95% CI, 0.33-0.80), respectively. The same estimates for studies with presentation at or before 34 + 0 weeks were 71.0% (95% CI, 60.6-79.9%), 89.8% (95% CI, 87.4-91.9%), 5.19 (95% CI, 2.29-11.74) and 0.38 (95% CI, 0.11-1.34), 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, 34.8-57.8%), 93.7% (95% CI, 90.7-96.0%), 4.31 (95% CI, 2.73-6.82) and 0.63 (95% CI, 0.38-1.04), respectively. There was considerable heterogeneity across studies in most estimates. Conclusions: Measurement of cervical length in symptomatic women can detect a significant proportion of those who will deliver within 1 week and help to rationalize their management. The considerable heterogeneity across studies may be indicative of methodological flaws, which either were not reported at all or were underreported.
URI: http://ktisis.cut.ac.cy/handle/10488/4352
http://hdl.handle.net/10488/4352
ISSN: 1469-0705
DOI: 10.1002/uog.7457
Rights: © 2009 ISUOG
Type: Article
Appears in Collections:Άρθρα/Articles

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