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Randomized Controlled Trial
Additional evidence for the affective dimension of dyspnea in patients with COPD.
- Virginia Carrieri-Kohlman, DorAnne Donesky-Cuenco, Soo Kyung Park, Lynda Mackin, Huong Q Nguyen, and Steven M Paul.
- Department of Physiological Nursing, University of California, San Francisco, Box 0610, 2 Koret Way, San Francisco, CA 94143-0610, USA.
- Res Nurs Health. 2010 Feb 1;33(1):4-19.
AbstractThe primary purpose of this secondary analysis was to determine whether 103 participants with chronic obstructive pulmonary disease rated the affective dimension of dyspnea (dyspnea-related anxiety and dyspnea-related distress) separately from the sensory dimension (intensity) during baseline exercise testing conducted as part of a randomized clinical trial. A secondary purpose was to determine if dyspnea-related anxiety and distress were rated distinctly different from other measurements of anxiety. At the end of a 6-minute walk and an incremental treadmill test, participant ratings of the magnitude of dyspnea-related anxiety and distress on the Modified Borg Scale were significantly different from their ratings of the intensity of dyspnea. Dyspnea-related anxiety and distress also appeared to be concepts independent from measures of state anxiety, negative affect, and anxiety before a treadmill test.
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