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Comparison between ultrasound parameters and clinical examination to assess fetal head station in labor.
MedLine Citation:
PMID:  23371409     Owner:  NLM     Status:  Publisher    
OBJECTIVE: Several ultrasound methods including intrapartum translabial ultrasound (ITU) head station, angle of progression (AOP), head-perineum distance (HPD) and head-symphysis distance (HSD) have been suggested to assess fetal head station during labor. The aim of this study was to analyze the relationship between the ultrasound parameters and to compare them with digital palpation. METHODS: We analyzed 106 stored volume dataset pairs that had been acquired from primiparous women at term with prolonged first stage of labor at Stavanger University Hospital, Norway. The volumes were acquired with a 3D transducer applied between the labia majora in a mid-sagittal plane and perineally in a transverse plane. Digitally palpated head station and cervical dilatation were also noted. The results were compared using regression and correlation coefficients. RESULTS: There were good correlations between ITU head station and HPD (r=0,71), between ITU head station and HSD (r=0,76) and between HSD and HPD (r=0,76). Palpated head station correlated only mildly with ITU head station (r=0.52). Cervical dilatation showed low correlation with ITU head station (r=0,30). CONCLUSION: The ultrasound parameters showed a high degree of correlation but only medium correlation to vaginally palpated fetal station.
B Tutschek; E A Torkildsen; T M Eggebø
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-1
Journal Detail:
Title:  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology     Volume:  -     ISSN:  1469-0705     ISO Abbreviation:  Ultrasound Obstet Gynecol     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9108340     Medline TA:  Ultrasound Obstet Gynecol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 ISUOG. Published by John Wiley & Sons, Ltd.
Ultraschall Freie StrasseBasel, Switzerland and Heinrich Heine University, Düsseldorf, Germany.
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