Can myometrial electrical activity identify patients in preterm labor?
Objective The objective of the study was to determine whether myometrial electrical activity can differentiate false from true preterm labor. Study Design Electrical uterine myography (EUM) was measured prospectively on 87 women, gestational age less than 35 weeks. The period between contractions, p...
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| Veröffentlicht in: | American journal of obstetrics and gynecology 2008-10, Vol.199 (4), p.378.e1-378.e6 |
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| container_title | American journal of obstetrics and gynecology |
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| creator | Most, Orli, MD Langer, Oded, MD, PhD Kerner, Ram, MD Ben David, Gal, PhD Calderon, Ilan, MD |
| description | Objective The objective of the study was to determine whether myometrial electrical activity can differentiate false from true preterm labor. Study Design Electrical uterine myography (EUM) was measured prospectively on 87 women, gestational age less than 35 weeks. The period between contractions, power of contraction peaks and movement of center of electrical activity (RMS), was used to develop an index score (1-5) for prediction of preterm delivery (PTD) within 14 days of the test. The score was compared with fetal fibronectin (fFN) and cervical length (CL). Results Patients delivering within 14 days from testing showed a higher index and mean RMS ( P = .000). No patients with EUM index scores of 1-2 delivered in this time frame. Combining EUM with CL or fFN increased predictability. Logistic regression revealed that history of PTD and EUM index had 4- to 5-fold increased risk for PTD. Gestational age at testing, body mass index, fFN, and CL were nonsignificant contributors to PTD risk. Conclusion Measuring myometrial electrical activity may enhance identification of patients in true premature labor. |
| doi_str_mv | 10.1016/j.ajog.2008.08.003 |
| format | Article |
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Study Design Electrical uterine myography (EUM) was measured prospectively on 87 women, gestational age less than 35 weeks. The period between contractions, power of contraction peaks and movement of center of electrical activity (RMS), was used to develop an index score (1-5) for prediction of preterm delivery (PTD) within 14 days of the test. The score was compared with fetal fibronectin (fFN) and cervical length (CL). Results Patients delivering within 14 days from testing showed a higher index and mean RMS ( P = .000). No patients with EUM index scores of 1-2 delivered in this time frame. Combining EUM with CL or fFN increased predictability. Logistic regression revealed that history of PTD and EUM index had 4- to 5-fold increased risk for PTD. Gestational age at testing, body mass index, fFN, and CL were nonsignificant contributors to PTD risk. Conclusion Measuring myometrial electrical activity may enhance identification of patients in true premature labor.</description><identifier>ISSN: 0002-9378</identifier><identifier>EISSN: 1097-6868</identifier><identifier>DOI: 10.1016/j.ajog.2008.08.003</identifier><identifier>PMID: 18928979</identifier><identifier>CODEN: AJOGAH</identifier><language>eng</language><publisher>Philadelphia, PA: Mosby, Inc</publisher><subject>Adult ; Biological and medical sciences ; Body Mass Index ; Diseases of mother, fetus and pregnancy ; electrical uterine myography index score ; Electromyography - methods ; Female ; Fetus - metabolism ; Fibronectins - analysis ; Gynecology. Andrology. Obstetrics ; Humans ; Logistic Models ; Medical sciences ; multichannel electromyography ; Myometrium - physiopathology ; Obstetric Labor, Premature - diagnosis ; Obstetric Labor, Premature - physiopathology ; Obstetrics and Gynecology ; Pregnancy ; Pregnancy. Fetus. Placenta ; premature labor ; Prospective Studies ; Sensitivity and Specificity ; Uterine Contraction - physiology</subject><ispartof>American journal of obstetrics and gynecology, 2008-10, Vol.199 (4), p.378.e1-378.e6</ispartof><rights>Mosby, Inc.</rights><rights>2008 Mosby, Inc.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-6c845706d5a91f2242702a7e1153b9c456c16a89664fa0b2a134972427dcb3f03</citedby><cites>FETCH-LOGICAL-c439t-6c845706d5a91f2242702a7e1153b9c456c16a89664fa0b2a134972427dcb3f03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ajog.2008.08.003$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20759278$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18928979$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Most, Orli, MD</creatorcontrib><creatorcontrib>Langer, Oded, MD, PhD</creatorcontrib><creatorcontrib>Kerner, Ram, MD</creatorcontrib><creatorcontrib>Ben David, Gal, PhD</creatorcontrib><creatorcontrib>Calderon, Ilan, MD</creatorcontrib><title>Can myometrial electrical activity identify patients in preterm labor?</title><title>American journal of obstetrics and gynecology</title><addtitle>Am J Obstet Gynecol</addtitle><description>Objective The objective of the study was to determine whether myometrial electrical activity can differentiate false from true preterm labor. Study Design Electrical uterine myography (EUM) was measured prospectively on 87 women, gestational age less than 35 weeks. The period between contractions, power of contraction peaks and movement of center of electrical activity (RMS), was used to develop an index score (1-5) for prediction of preterm delivery (PTD) within 14 days of the test. The score was compared with fetal fibronectin (fFN) and cervical length (CL). Results Patients delivering within 14 days from testing showed a higher index and mean RMS ( P = .000). No patients with EUM index scores of 1-2 delivered in this time frame. Combining EUM with CL or fFN increased predictability. Logistic regression revealed that history of PTD and EUM index had 4- to 5-fold increased risk for PTD. Gestational age at testing, body mass index, fFN, and CL were nonsignificant contributors to PTD risk. Conclusion Measuring myometrial electrical activity may enhance identification of patients in true premature labor.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Body Mass Index</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>electrical uterine myography index score</subject><subject>Electromyography - methods</subject><subject>Female</subject><subject>Fetus - metabolism</subject><subject>Fibronectins - analysis</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Logistic Models</subject><subject>Medical sciences</subject><subject>multichannel electromyography</subject><subject>Myometrium - physiopathology</subject><subject>Obstetric Labor, Premature - diagnosis</subject><subject>Obstetric Labor, Premature - physiopathology</subject><subject>Obstetrics and Gynecology</subject><subject>Pregnancy</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>premature labor</subject><subject>Prospective Studies</subject><subject>Sensitivity and Specificity</subject><subject>Uterine Contraction - physiology</subject><issn>0002-9378</issn><issn>1097-6868</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU1r3DAQhkVJaTZp_0APxZf25u1IsvUBpSEs-SgEemh7FrI8LnL9sZW8Af_7SuySQg6BAY3gmWF4XkLeU9hSoOJzv7X9_HvLANQ2F_BXZENBy1Iooc7IBgBYqblU5-Qixj5_mWZvyDlVmikt9Ybc7uxUjOs84hK8HQoc0KXOpda6xT_6ZS18i9Piu7XY28WnNhZ-KvYBFwxjMdhmDldvyevODhHfnd5L8uv25ufuvnz4fvdtd_1QuorrpRROVbUE0dZW046xiklgViKlNW-0q2rhqLBKC1F1FhpmKa-0zFjrGt4BvySfjnv3Yf57wLiY0UeHw2AnnA_RCC0k45olkB1BF-YYA3ZmH_xow2oomGzP9CbbM9meyQU8DX04bT80I7b_R066EvDxBNiYFHXBTs7HJ46BrDWTKnFfjhwmF48eg4kumXPY-pD8mnb2L9_x9dm4G_yUQ_mDK8Z-PoQpWTbURGbA_MjB5phBAWhKOf8H5kShYA</recordid><startdate>20081001</startdate><enddate>20081001</enddate><creator>Most, Orli, MD</creator><creator>Langer, Oded, MD, PhD</creator><creator>Kerner, Ram, MD</creator><creator>Ben David, Gal, PhD</creator><creator>Calderon, Ilan, MD</creator><general>Mosby, Inc</general><general>Elsevier</general><scope>IQODW</scope><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>7X8</scope></search><sort><creationdate>20081001</creationdate><title>Can myometrial electrical activity identify patients in preterm labor?</title><author>Most, Orli, MD ; Langer, Oded, MD, PhD ; Kerner, Ram, MD ; Ben David, Gal, PhD ; Calderon, Ilan, MD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c439t-6c845706d5a91f2242702a7e1153b9c456c16a89664fa0b2a134972427dcb3f03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Body Mass Index</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>electrical uterine myography index score</topic><topic>Electromyography - methods</topic><topic>Female</topic><topic>Fetus - metabolism</topic><topic>Fibronectins - analysis</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Logistic Models</topic><topic>Medical sciences</topic><topic>multichannel electromyography</topic><topic>Myometrium - physiopathology</topic><topic>Obstetric Labor, Premature - diagnosis</topic><topic>Obstetric Labor, Premature - physiopathology</topic><topic>Obstetrics and Gynecology</topic><topic>Pregnancy</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>premature labor</topic><topic>Prospective Studies</topic><topic>Sensitivity and Specificity</topic><topic>Uterine Contraction - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Most, Orli, MD</creatorcontrib><creatorcontrib>Langer, Oded, MD, PhD</creatorcontrib><creatorcontrib>Kerner, Ram, MD</creatorcontrib><creatorcontrib>Ben David, Gal, PhD</creatorcontrib><creatorcontrib>Calderon, Ilan, MD</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of obstetrics and gynecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Most, Orli, MD</au><au>Langer, Oded, MD, PhD</au><au>Kerner, Ram, MD</au><au>Ben David, Gal, PhD</au><au>Calderon, Ilan, MD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Can myometrial electrical activity identify patients in preterm labor?</atitle><jtitle>American journal of obstetrics and gynecology</jtitle><addtitle>Am J Obstet Gynecol</addtitle><date>2008-10-01</date><risdate>2008</risdate><volume>199</volume><issue>4</issue><spage>378.e1</spage><epage>378.e6</epage><pages>378.e1-378.e6</pages><issn>0002-9378</issn><eissn>1097-6868</eissn><coden>AJOGAH</coden><abstract>Objective The objective of the study was to determine whether myometrial electrical activity can differentiate false from true preterm labor. Study Design Electrical uterine myography (EUM) was measured prospectively on 87 women, gestational age less than 35 weeks. The period between contractions, power of contraction peaks and movement of center of electrical activity (RMS), was used to develop an index score (1-5) for prediction of preterm delivery (PTD) within 14 days of the test. The score was compared with fetal fibronectin (fFN) and cervical length (CL). Results Patients delivering within 14 days from testing showed a higher index and mean RMS ( P = .000). No patients with EUM index scores of 1-2 delivered in this time frame. Combining EUM with CL or fFN increased predictability. Logistic regression revealed that history of PTD and EUM index had 4- to 5-fold increased risk for PTD. Gestational age at testing, body mass index, fFN, and CL were nonsignificant contributors to PTD risk. Conclusion Measuring myometrial electrical activity may enhance identification of patients in true premature labor.</abstract><cop>Philadelphia, PA</cop><pub>Mosby, Inc</pub><pmid>18928979</pmid><doi>10.1016/j.ajog.2008.08.003</doi><tpages>2</tpages></addata></record> |
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| ispartof | American journal of obstetrics and gynecology, 2008-10, Vol.199 (4), p.378.e1-378.e6 |
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| subjects | Adult Biological and medical sciences Body Mass Index Diseases of mother, fetus and pregnancy electrical uterine myography index score Electromyography - methods Female Fetus - metabolism Fibronectins - analysis Gynecology. Andrology. Obstetrics Humans Logistic Models Medical sciences multichannel electromyography Myometrium - physiopathology Obstetric Labor, Premature - diagnosis Obstetric Labor, Premature - physiopathology Obstetrics and Gynecology Pregnancy Pregnancy. Fetus. Placenta premature labor Prospective Studies Sensitivity and Specificity Uterine Contraction - physiology |
| title | Can myometrial electrical activity identify patients in preterm labor? |
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