| Assessing validity by comparing transition and static measures of dyspnea in patients with acute decompensated heart failure. | |
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MedLine Citation:
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PMID: 20887616 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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This study assessed the convergent validity of 2 dyspnea measures, the transition measure and the change measure, by comparing them with each other in patients admitted to the hospital with acute decompensated heart failure. Static measures of dyspnea were obtained at baseline (pre-static measure) and at time 1 hour and 4 hour (post-static measures). The change measure was calculated as the difference between the pre-static and post-static measures. Transition measures were obtained at time 1 hour and 4 hour. Visual analog scales and Likert scales were used. Both physicians and patients measured the dyspnea independently. A total of 112 patients had complete data sets at time 0 and 1 hour and 86 patients had complete data sets at all 3 time points. Correlations were calculated between the transition measures and static measures (pre-static, post-static, and change measure). Bland-Altman plots were generated and the mean difference and limits of agreement between the transition measures and the change measures were calculated. In general, short-term dyspnea assessment using transition measures and serial static measures can not be used to validate each other in this population of patients being admitted with acute decompensated heart failure. |
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Authors:
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Howard A Smithline; Selin Caglar; Fidela S J Blank |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Congestive heart failure (Greenwich, Conn.) Volume: 16 ISSN: 1751-7133 ISO Abbreviation: Congest Heart Fail Publication Date: 2010 Sep-Oct |
Date Detail:
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Created Date: 2010-10-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9714174 Medline TA: Congest Heart Fail Country: United States |
Other Details:
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Languages: eng Pagination: 202-7 Citation Subset: IM |
Copyright Information:
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© 2010 Wiley Periodicals, Inc. |
Affiliation:
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Department of Emergency Medicine, Baystate Medical Center, 759 Chestnut Street, Springfield, MA 01199, USA. howard.smithline@bhs.org |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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