Relationship between symptoms and functional performance in COPD.

Abstract:

:We studied the relationships among functional performance and three symptoms--dyspnea, fatigue, and sleep difficulty--in a sample of 100 people with chronic obstructive pulmonary disease (COPD). All participants had an FEV(1) 60% or less of the predicted level for age, sex, and height. Consistent with the Theory of Unpleasant Symptoms, dyspnea correlated with both fatigue and sleep difficulty. Dyspnea and fatigue both had moderate negative correlations with functional performance, while sleep difficulty had a small nonsignificant negative correlation with functional performance. After controlling for age and oxygen use, dyspnea was the only symptom to predict variance in functional performance significantly. Of the three symptoms studied, only dyspnea was related to both the other symptoms and to functional performance. Focusing on dyspnea may be the best way to improve both symptom experience and functional performance in people with COPD.

journal_name

Res Nurs Health

authors

Reishtein JL

doi

10.1002/nur.20054

subject

Has Abstract

pub_date

2005-02-01 00:00:00

pages

39-47

issue

1

eissn

0160-6891

issn

1098-240X

journal_volume

28

pub_type

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