Assessment of Uterocervical Angle Width as a Predictive Factor of Preterm Birth: A Systematic Review of the Literature
Background. Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research. Materials and Methods. We used the Medl...
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Published in | BioMed research international Vol. 2018; no. 2018; pp. 1 - 7 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
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Cairo, Egypt
Hindawi Publishing Corporation
01.01.2018
Hindawi Hindawi Limited |
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Abstract | Background. Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research. Materials and Methods. We used the Medline (1966–2018), Scopus (2004–2018), Clinicaltrials.gov (2008–2018), EMBASE (1980-2018), Cochrane Central Register of Controlled Trials CENTRAL (1999-2018), and Google Scholar (2004-2018) databases in our search. Results. Eleven studies were finally included in the present systematic review that evaluated data from 3,018 women. The significant heterogeneity in terms of outcome reporting and outcome reporting measures (use of optimal cut-off values) precluded meta-analysis. However, existing data support that second trimester UCA measurement might be used as a predictive factor of PTB <34 weeks, as at least two studies in unselected singleton pregnancies and two studies in pregnancies with an ultrasonographically shortened cervix seem to support this hypothesis. The most commonly reported cut-off values were 105° and 95°. Conclusions. UCA measurement during the second trimester of pregnancy may be a useful method of determining women at risk of delivering preterm. However, more studies are needed to assess the reproducibility of these findings and reach conclusive evidence. |
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AbstractList | Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research.
We used the Medline (1966-2018), Scopus (2004-2018), Clinicaltrials.gov (2008-2018), EMBASE (1980-2018), Cochrane Central Register of Controlled Trials CENTRAL (1999-2018), and Google Scholar (2004-2018) databases in our search.
Eleven studies were finally included in the present systematic review that evaluated data from 3,018 women. The significant heterogeneity in terms of outcome reporting and outcome reporting measures (use of optimal cut-off values) precluded meta-analysis. However, existing data support that second trimester UCA measurement might be used as a predictive factor of PTB <34 weeks, as at least two studies in unselected singleton pregnancies and two studies in pregnancies with an ultrasonographically shortened cervix seem to support this hypothesis. The most commonly reported cut-off values were 105° and 95°.
UCA measurement during the second trimester of pregnancy may be a useful method of determining women at risk of delivering preterm. However, more studies are needed to assess the reproducibility of these findings and reach conclusive evidence. Background . Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research. Materials and Methods . We used the Medline (1966–2018), Scopus (2004–2018), Clinicaltrials.gov (2008–2018), EMBASE (1980-2018), Cochrane Central Register of Controlled Trials CENTRAL (1999-2018), and Google Scholar (2004-2018) databases in our search. Results . Eleven studies were finally included in the present systematic review that evaluated data from 3,018 women. The significant heterogeneity in terms of outcome reporting and outcome reporting measures (use of optimal cut-off values) precluded meta-analysis. However, existing data support that second trimester UCA measurement might be used as a predictive factor of PTB <34 weeks, as at least two studies in unselected singleton pregnancies and two studies in pregnancies with an ultrasonographically shortened cervix seem to support this hypothesis. The most commonly reported cut-off values were 105° and 95°. Conclusions . UCA measurement during the second trimester of pregnancy may be a useful method of determining women at risk of delivering preterm. However, more studies are needed to assess the reproducibility of these findings and reach conclusive evidence. Background. Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research. Materials and Methods. We used the Medline (1966–2018), Scopus (2004–2018), Clinicaltrials.gov (2008–2018), EMBASE (1980-2018), Cochrane Central Register of Controlled Trials CENTRAL (1999-2018), and Google Scholar (2004-2018) databases in our search. Results. Eleven studies were finally included in the present systematic review that evaluated data from 3,018 women. The significant heterogeneity in terms of outcome reporting and outcome reporting measures (use of optimal cut-off values) precluded meta-analysis. However, existing data support that second trimester UCA measurement might be used as a predictive factor of PTB <34 weeks, as at least two studies in unselected singleton pregnancies and two studies in pregnancies with an ultrasonographically shortened cervix seem to support this hypothesis. The most commonly reported cut-off values were 105° and 95°. Conclusions. UCA measurement during the second trimester of pregnancy may be a useful method of determining women at risk of delivering preterm. However, more studies are needed to assess the reproducibility of these findings and reach conclusive evidence. BACKGROUNDUterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present systematic review is to accumulate current evidence and provide directions for future research. MATERIALS AND METHODSWe used the Medline (1966-2018), Scopus (2004-2018), Clinicaltrials.gov (2008-2018), EMBASE (1980-2018), Cochrane Central Register of Controlled Trials CENTRAL (1999-2018), and Google Scholar (2004-2018) databases in our search. RESULTSEleven studies were finally included in the present systematic review that evaluated data from 3,018 women. The significant heterogeneity in terms of outcome reporting and outcome reporting measures (use of optimal cut-off values) precluded meta-analysis. However, existing data support that second trimester UCA measurement might be used as a predictive factor of PTB <34 weeks, as at least two studies in unselected singleton pregnancies and two studies in pregnancies with an ultrasonographically shortened cervix seem to support this hypothesis. The most commonly reported cut-off values were 105° and 95°. CONCLUSIONSUCA measurement during the second trimester of pregnancy may be a useful method of determining women at risk of delivering preterm. However, more studies are needed to assess the reproducibility of these findings and reach conclusive evidence. |
Author | Pergialiotis, Vasilios Daskalakis, George Loutradis, Dimitrios Antsaklis, Aris Grigoriadis, Themistoklis Antsaklis, Panagiotis Sindos, Michael Papantoniou, Nikolas Theodora, Marianna |
AuthorAffiliation | 2 Third Department of Obstetrics and Gynecology, Attikon University Hospital, National and Kapodistrian University of Athens, Greece 1 First Department of Obstetrics and Gynecology, Alexandra Hospital, National and Kapodistrian University of Athens, Greece |
AuthorAffiliation_xml | – name: 2 Third Department of Obstetrics and Gynecology, Attikon University Hospital, National and Kapodistrian University of Athens, Greece – name: 1 First Department of Obstetrics and Gynecology, Alexandra Hospital, National and Kapodistrian University of Athens, Greece |
Author_xml | – sequence: 1 fullname: Pergialiotis, Vasilios – sequence: 2 fullname: Loutradis, Dimitrios – sequence: 3 fullname: Antsaklis, Aris – sequence: 4 fullname: Grigoriadis, Themistoklis – sequence: 5 fullname: Sindos, Michael – sequence: 6 fullname: Antsaklis, Panagiotis – sequence: 7 fullname: Theodora, Marianna – sequence: 8 fullname: Daskalakis, George – sequence: 9 fullname: Papantoniou, Nikolas |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/30687736$$D View this record in MEDLINE/PubMed |
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Cites_doi | 10.1016/j.ajog.2016.03.033 10.1002/uog.5323 10.1016/j.jclinepi.2009.06.006 10.1111/1471-0528.14624 10.1002/uog.9013 10.1159/000447588 10.1038/jp.2016.241 10.1002/uog.12507 10.1097/LGT.0b013e31822bb004 10.1371/journal.pone.0166709 10.1111/j.1479-828X.2007.00762.x 10.1111/aogs.13143 10.18203/2320-1770.ijrcog20172114 10.1080/14767058.2017.1331427 10.1055/s-0037-1603653 |
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Copyright | Copyright © 2018 George Daskalakis et al. Copyright © 2018 George Daskalakis et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0 Copyright © 2018 George Daskalakis et al. 2018 |
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Snippet | Background. Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the... Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the present... Background . Uterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the... BACKGROUNDUterocervical angle (UCA) has been recently proposed as a potential marker that could accurately predict preterm birth (PTB). The purpose of the... |
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SubjectTerms | Animals Biomedical research Birth Cervix Cervix Uteri - pathology Clinical Trials as Topic Collagen Data processing Female Gynecology Heterogeneity Humans Infant, Newborn Literature reviews Obstetrics Pregnancy Pregnancy Trimester, Second Premature birth Premature Birth - pathology Reproducibility Review Reviews Scientific papers Search engines Studies Systematic review Ultrasonic imaging Ultrasonography - methods |
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Title | Assessment of Uterocervical Angle Width as a Predictive Factor of Preterm Birth: A Systematic Review of the Literature |
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