| Stroke volume variation as a predictor of fluid responsiveness in patients undergoing one-lung ventilation. | |
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MedLine Citation:
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PMID: 20638869 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVES: To investigate the ability of stroke volume variation (SVV) calculated by the Vigileo-FloTrac system (Edwards Lifescience, Irvine, CA) to predict fluid responsiveness in patients undergoing one-lung ventilation (OLV). DESIGN: Prospective, observational study. SETTING: Clinical hospital. PARTICIPANTS: Thirty patients scheduled for a pulmonary lobectomy requiring OLV for at least 1 hour under combined epidural/general anesthesia. INTERVENTIONS: After starting OLV, hydroxyethyl starch, 500 mL, was administered for 30 minutes. MEASUREMENTS AND MAIN RESULTS: Hemodynamic variables including heart rate, mean arterial pressure, cardiac index, stroke volume index (SVI), and SVV were measured before and after volume loading. SVV before volume loading was significantly correlated with the absolute changes in SVV (ΔSVV) and percentage changes in stroke volume index (ΔSVI) after volume loading (ΔSVV: p < 0.05, r = -0.893; ΔSVI: p < 0.05, r = 0.866). Of the 30 patients, 15 (50%) were responders to intravascular volume expansion (an increase in SVI ≥ 25%), and 15 (50%) were nonresponders (an increase in SVI <25%). The area under the ROC curve was 0.900 for SVV (95% confidence interval, 0.809-0.991), whereas the optimal threshold value of SVV to discriminate between responders and nonresponders was 10.5% (sensitivity: 82.4%, specificity: 92.3%). CONCLUSIONS: The authors found that SVV measured by the Vigileo-FloTrac system was able to predict fluid responsiveness in patients undergoing surgery with OLV with acceptable levels of sensitivity and specificity. |
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Authors:
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Koichi Suehiro; Ryu Okutani |
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Publication Detail:
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Type: Journal Article Date: 2010-07-17 |
Journal Detail:
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Title: Journal of cardiothoracic and vascular anesthesia Volume: 24 ISSN: 1532-8422 ISO Abbreviation: J. Cardiothorac. Vasc. Anesth. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9110208 Medline TA: J Cardiothorac Vasc Anesth Country: United States |
Other Details:
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Languages: eng Pagination: 772-5 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Anesthesiology, Osaka City General and Children's Hospital, Osaka, Japan. suehirokoichi@yahoo.co.jp |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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