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Cervical length and the risk of microbial invasion of the amniotic cavity in women with preterm premature rupture of membranes

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Authors
Hong, Joon Seok; Park, Kyo Hoon; Noh, Jae Hong; Suh, Young Hoon
Issue Date
2007-08-31
Publisher
Korean Academy of Medical Science
Citation
J Korean Med Sci. 2007 Aug;22(4):713-7.
Keywords
AdultAmniocentesis/methodsAmniotic Fluid/*microbiologyBacterial Infections/*complicationsC-Reactive Protein/metabolismCervix Uteri/*ultrasonographyFemaleFetal Membranes, Premature Rupture/etiology/*ultrasonographyGestational AgeHumansLeukocyte CountLogistic ModelsMaternal AgePregnancyPregnancy Complications, Infectious/blood/etiology/ultrasonographyProspective StudiesRisk FactorsUltrasonography/methods
Abstract
The aims of this study were to determine whether sonographically measured cervical length is of value in the identification of microbial invasion of the amniotic cavity in women with preterm premature rupture of membranes (PPROM) and to compare its performance with maternal blood C-reactive protein (CRP), white blood cell count (WBC), and amniotic fluid (AF) WBC. This prospective observational study enrolled 50 singleton pregnancies with PPROM. Transvaginal ultrasound for measurement of cervical length was performed and maternal blood was collected for the determination of CRP and WBC at the time of amniocentesis. AF obtained by amniocentesis was cultured and WBC determined. The prevalence of a positive amniotic fluid culture was 26% (13/50). Patients with positive amniotic fluid cultures had a significantly shorter median cervical length and higher median CRP, WBC, and AF WBC than did those with negative cultures. Multiple logistic regression indicated that only cervical length had a significant relationship with the log odds of a positive AF culture. Transvaginal sonographic measurement of cervical length is valuable in the identification of microbial invasion of amniotic cavity in women with PPROM. Cervical length performs better than AF WBC, maternal blood CRP, and WBC in the identification of a positive amniotic fluid culture.
ISSN
1011-8934 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17728515

http://hdl.handle.net/10371/29367
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College of Medicine/School of Medicine (의과대학/대학원)Obstetrics & Gynecology (산부인과전공)Journal Papers (저널논문_산부인과학전공)
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