The sonopartogram: a novel method for recording progress of labor by ultrasound
Linked Comment: Ultrasound Obstet Gynecol 2014; 43: 137–138 ABSTRACT Objectives Progress of labor has hitherto been assessed by digital vaginal examination (VE). We introduce the concept of a non‐intrusive ultrasound (US)‐based assessment of labor progress (the ‘sonopartogram’) and investigate its f...
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| Veröffentlicht in: | Ultrasound in obstetrics & gynecology 2014-02, Vol.43 (2), p.189-194 |
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| container_title | Ultrasound in obstetrics & gynecology |
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| creator | Hassan, W. A. Eggebø, T. Ferguson, M. Gillett, A. Studd, J. Pasupathy, D. Lees, C. C. |
| description | Linked Comment: Ultrasound Obstet Gynecol 2014; 43: 137–138
ABSTRACT
Objectives
Progress of labor has hitherto been assessed by digital vaginal examination (VE). We introduce the concept of a non‐intrusive ultrasound (US)‐based assessment of labor progress (the ‘sonopartogram’) and investigate its feasibility for assessing cervical dilatation and fetal head descent and rotation.
Methods
This was a prospective study performed in 20 women in the first stage of labor in two European maternity units. Almost simultaneous assessment of cervical dilatation and fetal head descent and rotation were made by US and digital VE.
Results
The total number of paired US and digital VE assessments was 52, with a median of three per woman. Overall, 5% of sonopartogram parameters were not obtained compared with 18% of conventional digital VE parameters (P |
| doi_str_mv | 10.1002/uog.13212 |
| format | Article |
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ABSTRACT
Objectives
Progress of labor has hitherto been assessed by digital vaginal examination (VE). We introduce the concept of a non‐intrusive ultrasound (US)‐based assessment of labor progress (the ‘sonopartogram’) and investigate its feasibility for assessing cervical dilatation and fetal head descent and rotation.
Methods
This was a prospective study performed in 20 women in the first stage of labor in two European maternity units. Almost simultaneous assessment of cervical dilatation and fetal head descent and rotation were made by US and digital VE.
Results
The total number of paired US and digital VE assessments was 52, with a median of three per woman. Overall, 5% of sonopartogram parameters were not obtained compared with 18% of conventional digital VE parameters (P < 0.001). Assessment of cervical dilatation was possible in 86.5% of US examinations and 100% of digital VEs (P = 0.02), and dilatation was assessed as being greater by digital VE than by US (mean difference, 1.16 (95% limits of agreement, –0.76, 3.08) cm, r2 = 0.68, P = 0.01). Fetal head descent was measured in all 52 cases by both methods (r2 = 0.33, P < 0.001), but correlation between the two was only moderate. Head rotation was obtainable in 98% of US examinations and 46% of digital VEs (P < 0.001), with a mean difference of −3.9° (95% limits of agreement, –144.1°, 136.3°).
Conclusion
In this proof‐of‐concept study, the acquisition of data regarding progress of labor was more successful for the sonopartogram than the conventional partogram. The agreement between digital VE and US was good for cervical dilatation and head rotation but less so for head descent. US assessment of the progress of labor is feasible in most cases. Copyright © 2013 ISUOG. Published by John Wiley & Sons Ltd.</description><identifier>ISSN: 0960-7692</identifier><identifier>EISSN: 1469-0705</identifier><identifier>DOI: 10.1002/uog.13212</identifier><identifier>PMID: 24105734</identifier><identifier>CODEN: UOGYFJ</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Adult ; Feasibility Studies ; Female ; Gynecological Examination - methods ; Head - diagnostic imaging ; Humans ; intrapartum ; Labor Presentation ; Labor Stage, First - physiology ; partogram ; Pregnancy ; Prospective Studies ; Reproducibility of Results ; transperineal ; Ultrasonography, Prenatal - methods ; Young Adult</subject><ispartof>Ultrasound in obstetrics & gynecology, 2014-02, Vol.43 (2), p.189-194</ispartof><rights>Copyright © 2013 ISUOG. Published by John Wiley & Sons Ltd</rights><rights>Copyright © 2013 ISUOG. Published by John Wiley & Sons Ltd.</rights><rights>Copyright © 2014 ISUOG. Published by John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4522-20d04b8f29285490930b973633ea04354e111891e3ca284387a844410b50e65a3</citedby><cites>FETCH-LOGICAL-c4522-20d04b8f29285490930b973633ea04354e111891e3ca284387a844410b50e65a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fuog.13212$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fuog.13212$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,1434,27929,27930,45579,45580,46414,46838</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24105734$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hassan, W. A.</creatorcontrib><creatorcontrib>Eggebø, T.</creatorcontrib><creatorcontrib>Ferguson, M.</creatorcontrib><creatorcontrib>Gillett, A.</creatorcontrib><creatorcontrib>Studd, J.</creatorcontrib><creatorcontrib>Pasupathy, D.</creatorcontrib><creatorcontrib>Lees, C. C.</creatorcontrib><title>The sonopartogram: a novel method for recording progress of labor by ultrasound</title><title>Ultrasound in obstetrics & gynecology</title><addtitle>Ultrasound Obstet Gynecol</addtitle><description>Linked Comment: Ultrasound Obstet Gynecol 2014; 43: 137–138
ABSTRACT
Objectives
Progress of labor has hitherto been assessed by digital vaginal examination (VE). We introduce the concept of a non‐intrusive ultrasound (US)‐based assessment of labor progress (the ‘sonopartogram’) and investigate its feasibility for assessing cervical dilatation and fetal head descent and rotation.
Methods
This was a prospective study performed in 20 women in the first stage of labor in two European maternity units. Almost simultaneous assessment of cervical dilatation and fetal head descent and rotation were made by US and digital VE.
Results
The total number of paired US and digital VE assessments was 52, with a median of three per woman. Overall, 5% of sonopartogram parameters were not obtained compared with 18% of conventional digital VE parameters (P < 0.001). Assessment of cervical dilatation was possible in 86.5% of US examinations and 100% of digital VEs (P = 0.02), and dilatation was assessed as being greater by digital VE than by US (mean difference, 1.16 (95% limits of agreement, –0.76, 3.08) cm, r2 = 0.68, P = 0.01). Fetal head descent was measured in all 52 cases by both methods (r2 = 0.33, P < 0.001), but correlation between the two was only moderate. Head rotation was obtainable in 98% of US examinations and 46% of digital VEs (P < 0.001), with a mean difference of −3.9° (95% limits of agreement, –144.1°, 136.3°).
Conclusion
In this proof‐of‐concept study, the acquisition of data regarding progress of labor was more successful for the sonopartogram than the conventional partogram. The agreement between digital VE and US was good for cervical dilatation and head rotation but less so for head descent. US assessment of the progress of labor is feasible in most cases. Copyright © 2013 ISUOG. Published by John Wiley & Sons Ltd.</description><subject>Adult</subject><subject>Feasibility Studies</subject><subject>Female</subject><subject>Gynecological Examination - methods</subject><subject>Head - diagnostic imaging</subject><subject>Humans</subject><subject>intrapartum</subject><subject>Labor Presentation</subject><subject>Labor Stage, First - physiology</subject><subject>partogram</subject><subject>Pregnancy</subject><subject>Prospective Studies</subject><subject>Reproducibility of Results</subject><subject>transperineal</subject><subject>Ultrasonography, Prenatal - methods</subject><subject>Young Adult</subject><issn>0960-7692</issn><issn>1469-0705</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U1LxDAQBuAgiq6rB_-ABLzooTqTpGnjTRa_QNjLei5pm65d2mZNWmX_vdGuHgTxNId5eJnhJeQE4RIB2NVgl5fIGbIdMkEhVQQJxLtkAkpClEjFDsih9ysAkILLfXLABEKccDEh88WLod52dq1db5dOt9dU086-mYa2pn-xJa2so84U1pV1t6RrF5TxntqKNjoPu3xDh6Z32tuhK4_IXqUbb463c0qe724Xs4foaX7_OLt5igoRMxYxKEHkacUUS2OhQHHIVcIl50aD4LEwiJgqNLzQLBU8TXQqRLg6j8HIWPMpOR9zwz2vg_F91ta-ME2jO2MHn2EsAVkakv6nQilEiZAGevaLruzguvDIpxKgBCIP6mJUhbPeO1Nla1e32m0yhOyzkCwUkn0VEuzpNnHIW1P-yO8GArgawXvdmM3fSdnz_H6M_AAGfpEl</recordid><startdate>201402</startdate><enddate>201402</enddate><creator>Hassan, W. A.</creator><creator>Eggebø, T.</creator><creator>Ferguson, M.</creator><creator>Gillett, A.</creator><creator>Studd, J.</creator><creator>Pasupathy, D.</creator><creator>Lees, C. C.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>201402</creationdate><title>The sonopartogram: a novel method for recording progress of labor by ultrasound</title><author>Hassan, W. A. ; Eggebø, T. ; Ferguson, M. ; Gillett, A. ; Studd, J. ; Pasupathy, D. ; Lees, C. C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4522-20d04b8f29285490930b973633ea04354e111891e3ca284387a844410b50e65a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adult</topic><topic>Feasibility Studies</topic><topic>Female</topic><topic>Gynecological Examination - methods</topic><topic>Head - diagnostic imaging</topic><topic>Humans</topic><topic>intrapartum</topic><topic>Labor Presentation</topic><topic>Labor Stage, First - physiology</topic><topic>partogram</topic><topic>Pregnancy</topic><topic>Prospective Studies</topic><topic>Reproducibility of Results</topic><topic>transperineal</topic><topic>Ultrasonography, Prenatal - methods</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hassan, W. A.</creatorcontrib><creatorcontrib>Eggebø, T.</creatorcontrib><creatorcontrib>Ferguson, M.</creatorcontrib><creatorcontrib>Gillett, A.</creatorcontrib><creatorcontrib>Studd, J.</creatorcontrib><creatorcontrib>Pasupathy, D.</creatorcontrib><creatorcontrib>Lees, C. C.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Ultrasound in obstetrics & gynecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hassan, W. A.</au><au>Eggebø, T.</au><au>Ferguson, M.</au><au>Gillett, A.</au><au>Studd, J.</au><au>Pasupathy, D.</au><au>Lees, C. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The sonopartogram: a novel method for recording progress of labor by ultrasound</atitle><jtitle>Ultrasound in obstetrics & gynecology</jtitle><addtitle>Ultrasound Obstet Gynecol</addtitle><date>2014-02</date><risdate>2014</risdate><volume>43</volume><issue>2</issue><spage>189</spage><epage>194</epage><pages>189-194</pages><issn>0960-7692</issn><eissn>1469-0705</eissn><coden>UOGYFJ</coden><abstract>Linked Comment: Ultrasound Obstet Gynecol 2014; 43: 137–138
ABSTRACT
Objectives
Progress of labor has hitherto been assessed by digital vaginal examination (VE). We introduce the concept of a non‐intrusive ultrasound (US)‐based assessment of labor progress (the ‘sonopartogram’) and investigate its feasibility for assessing cervical dilatation and fetal head descent and rotation.
Methods
This was a prospective study performed in 20 women in the first stage of labor in two European maternity units. Almost simultaneous assessment of cervical dilatation and fetal head descent and rotation were made by US and digital VE.
Results
The total number of paired US and digital VE assessments was 52, with a median of three per woman. Overall, 5% of sonopartogram parameters were not obtained compared with 18% of conventional digital VE parameters (P < 0.001). Assessment of cervical dilatation was possible in 86.5% of US examinations and 100% of digital VEs (P = 0.02), and dilatation was assessed as being greater by digital VE than by US (mean difference, 1.16 (95% limits of agreement, –0.76, 3.08) cm, r2 = 0.68, P = 0.01). Fetal head descent was measured in all 52 cases by both methods (r2 = 0.33, P < 0.001), but correlation between the two was only moderate. Head rotation was obtainable in 98% of US examinations and 46% of digital VEs (P < 0.001), with a mean difference of −3.9° (95% limits of agreement, –144.1°, 136.3°).
Conclusion
In this proof‐of‐concept study, the acquisition of data regarding progress of labor was more successful for the sonopartogram than the conventional partogram. The agreement between digital VE and US was good for cervical dilatation and head rotation but less so for head descent. US assessment of the progress of labor is feasible in most cases. Copyright © 2013 ISUOG. Published by John Wiley & Sons Ltd.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><pmid>24105734</pmid><doi>10.1002/uog.13212</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Access via Wiley Online Library; EZB-FREE-00999 freely available EZB journals; Wiley Online Library (Open Access Collection) |
| subjects | Adult Feasibility Studies Female Gynecological Examination - methods Head - diagnostic imaging Humans intrapartum Labor Presentation Labor Stage, First - physiology partogram Pregnancy Prospective Studies Reproducibility of Results transperineal Ultrasonography, Prenatal - methods Young Adult |
| title | The sonopartogram: a novel method for recording progress of labor by ultrasound |
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