| Using phonocardiography to investigate maternal cardiac reserve function in gestational hypertension and pre-eclampsia. | |
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MedLine Citation:
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PMID: 22672389 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Aim: This study used phonocardiography to investigate maternal cardiac reserve function in gestational hypertension and pre-eclampsia. Method: Ninety-nine pregnant women with gestational hypertension (50 cases) and pre-eclampsia (49 cases) were included in the study; 99 normotensive pregnant women acted as controls. Using phonocardiography, cardiac reserve function parameters for all participants were recorded: heart rate, the ratio of the first heart sound magnitude to the second heart sound magnitude (S1/S2) and the ratio of the diastolic duration to the systolic duration (D/S). Results: The average values for S1/S2 in the pre-eclampsia and gestational hypertension groups were 4.3 ± 2.2 and 2.2 ± 1.1 respectively. The average D/S of the pre-eclampsia and gestational hypertension groups were 1.1 ± 0.3 and 1.4 ± 0.3 respectively. Cases of postnatal adverse maternal outcomes were only observed in the pre-eclampsia group. A small proportion (2 out of 28) suffered cardiac-related complications, with one of these two patients dying from cardiac failure. Both these cases had notably poor cardiac reserve function (S1/S2 > 5.00 and D/S < 1) before delivery. The index S1/S2 increases and the index D/S decreases with increasing severity of hypertension-complicated pregnancies. Conclusions: Our findings indicate that cardiac reserve function declines with the increasing severity of hypertension during pregnancy. Phonocardiography is a useful, convenient and clinically worthwhile technique to monitor cardiac reserve function parameters of pregnant women with pre-eclampsia. |
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Authors:
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Yong Shao; Ying-Hong Zhang; Ou Mamie Liu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-6-4 |
Journal Detail:
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Title: The journal of obstetrics and gynaecology research Volume: - ISSN: 1447-0756 ISO Abbreviation: J. Obstet. Gynaecol. Res. Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-6-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9612761 Medline TA: J Obstet Gynaecol Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 The Authors. Journal of Obstetrics and Gynaecology Research © 2012 Japan Society of Obstetrics and Gynecology. |
Affiliation:
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Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China King's College London, London, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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