| The effect of body position changes on stroke volume variation in 66 mechanically ventilated patients with sepsis. | |
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MedLine Citation:
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PMID: 22459159 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: The aim of the study was to investigate the effect of body position changes on the stroke volume (SI) variation (SVV) in ventilated patients with sepsis. METHODS: Sixty patients with sepsis were studied during mechanical ventilation. All patients were randomly placed in the supine, 30° head-up, 30° left or right recumbent, or prone position. In addition to standard hemodynamic monitoring, SVV, central venous pressure, cardiac index (CI), SV index (SVI), global end-diastolic volume index (GEDVI), and global ejection fraction (GEF) were recorded at each position after stabilization. RESULTS: Stroke volume variation had strong negative correlation with CI, SVI, GEF, and GEDVI (P < .0001). After the change to the 30° head-up or the prone position, SVV increased significantly, whereas CI, SVI, GEF, and GEDVI decreased dramatically. Stroke volume variation in the supine position did not correlate with 30° head-up- or prone-induced changes in CI (P < .05). All variables did not differ between 30° left or right recumbent and supine positions. CONCLUSIONS: Body position changes may affect the correlation of SVV with hemodynamic variables. The 30° head-up and prone positions increased SVV because of the associated decreased SV. The 30° left or right recumbent position does not affect SVV and SV. |
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Authors:
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Yu Daihua; Chai Wei; Sun Xude; Yao Linong; Gao Changjun; Zhao Hui |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-3-27 |
Journal Detail:
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Title: Journal of critical care Volume: - ISSN: 1557-8615 ISO Abbreviation: - Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-3-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8610642 Medline TA: J Crit Care Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Inc. All rights reserved. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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