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Reliability and validity of the multidimensional dyspnea profile
Paula M Meek1, Robert Banzett2, Mark B Parsall3
1College of Nursing, University of Colorado - Denver, Aurora, CO.
The Multidimensional Dyspnea Profile (MDP) reliably measures dyspnea intensity and distress in patients with cardiopulmonary conditions. This validated tool shows responsiveness to clinical changes, aiding in symptom assessment.
Area of Science:
- Pulmonary Medicine
- Cardiology
- Clinical Assessment
Background:
- Existing dyspnea measures often focus on single aspects like intensity or distress.
- The Multidimensional Dyspnea Profile (MDP) was developed to capture sensory qualities and affective components of dyspnea.
- The MDP is versatile, applicable at rest, during exertion, or in clinical settings.
Purpose of the Study:
- To develop and validate the Multidimensional Dyspnea Profile (MDP).
- To assess the reliability, validity, and responsiveness of the MDP in patients with cardiopulmonary conditions.
Main Methods:
- 151 adult patients with breathing symptoms in the ED completed the MDP multiple times.
- A subset of 68 patients underwent repeat assessments 4-6 weeks later.
- Factor analysis, Cronbach's alpha, and intraclass correlation coefficients were used to evaluate psychometric properties.
Main Results:
- Factor analysis revealed a two-domain structure explaining significant variance (63-74%).
- The MDP demonstrated high internal consistency (Cronbach's α 0.82-0.95) and test-retest reliability (ICC 0.91-0.98).
- The MDP showed significant responsiveness to clinical change over time and with treatment.
Conclusions:
- The MDP is a reliable and valid instrument for assessing multidimensional dyspnea.
- The MDP is responsive to clinical change in patients with acute and chronic cardiopulmonary conditions.
- The two-domain structure of the MDP is supported in both acute care and follow-up settings.
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