| Determination of amniotic fluid volume in twin pregnancies: ultrasonographic evaluation versus operator estimation. | |
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MedLine Citation:
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PMID: 10871484 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: We sought to determine the accuracy of amniotic fluid volume estimation (visually) in diamniotic twin pregnancy versus ultrasonography techniques. STUDY DESIGN: In this prospective study the volume of each sac in 23 sets of diamniotic twin pregnancies was subjectively and objectively estimated by a second-year obstetric resident, nurse sonographer, maternal-fetal medicine fellow, and maternal-fetal medicine staff. The actual volume was confirmed by amniocentesis and a dye-dilution technique. RESULTS: There was no difference in the total number of correct estimates of volume by level of operator experience (P =.98), ultrasonography technique (P =.87), or combined subjective versus objective correct estimates (P =.87). Identification of low volume was not different among the four evaluators (P =.48), but the percentage of correct estimates was poor (7%-29%). The 2-diameter pocket was a better predictor of oligohydramnios (57%) than the amniotic fluid index or the largest vertical pocket (12.5%; P =.002). CONCLUSION: The extremes of volume (low or high) are poorly identified by the subjective or objective assessment of volume. |
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Authors:
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E F Magann; S P Chauhan; N S Whitworth; P Anfanger; B K Rinehart; J C Morrison |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: American journal of obstetrics and gynecology Volume: 182 ISSN: 0002-9378 ISO Abbreviation: Am. J. Obstet. Gynecol. Publication Date: 2000 Jun |
Date Detail:
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Created Date: 2000-07-25 Completed Date: 2000-07-25 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0370476 Medline TA: Am J Obstet Gynecol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1606-9 Citation Subset: AIM; IM |
Affiliation:
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Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Amniotic Fluid / metabolism*, ultrasonography Female Humans Obstetrics / methods Oligohydramnios / ultrasonography Pregnancy Pregnancy, Multiple / metabolism* Prospective Studies Twins* Ultrasonography / methods, standards |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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