| Umbilical and uterine artery flow velocity waveforms in normal pregnancy and pregnancy induced hypertension. | |
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MedLine Citation:
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PMID: 2119964 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Umbilical and uterine artery Doppler studies were carried out in 113 cases of normal pregnancy and in 32 patients with pregnancy induced hypertension (PIH). The results were analyzed by calculating the systolic/diastolic (S/D) ratio. In normal pregnancy the umbilical velocity wave S/D ratio declined from 3.9 to 2.1 from 20th week to term, and the uterine wave S/D ratio remained constant between 1.8 and 1.9. In many cases of severe PIH the umbilical and uterine artery velocity wave S/D ratios were raised, indicating increased resistance to the blood flow. The changes of umbilical waveforms appeared earlier than those of the uterine arterial waveforms. |
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Authors:
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C S Yang; L Z Zhang; H Schalman; G Farmakides; B Penny; D Winter |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Chinese medical journal Volume: 103 ISSN: 0366-6999 ISO Abbreviation: Chin. Med. J. Publication Date: 1990 Jun |
Date Detail:
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Created Date: 1990-11-21 Completed Date: 1990-11-21 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7513795 Medline TA: Chin Med J (Engl) Country: CHINA |
Other Details:
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Languages: eng Pagination: 503-7 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynecology, Third Hospital, Beijing. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Blood Flow Velocity Female Humans Pre-Eclampsia / physiopathology* Pregnancy / physiology* Ultrasonography Umbilical Arteries / physiology* Uterus / blood supply* |
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