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Evaluation of Dyspnea During Physical and Speech Activities in Patients With Pulmonary Diseases

Linda Lee; Mae Friesen; Isa R. Lambert; Robert G. Loudon
Author and Funding Information

From the Department of Communication Sciences and Disorders, University of Cincinnati, and the Pulmonary Diseases Division, University of Cincinnati College of Medicine


1998 by the American College of Chest Physicians


Chest. 1998;113(3):625-632. doi:10.1378/chest.113.3.625
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Published online

Abstract

Study objectives: Dyspnea is most commonly assessed by questioning patients about their subjective perception of shortness of breath during physical exertion. Although speech production is altered by pulmonary disease, it has not been included in current dyspnea assessment tools. A questionnaire was developed to address reports of dyspnea during (1) physical activity, (2) speech activity, and (3) simultaneous speech and physical activity.

Design: An equal number of self- and experimenter-administered 30-item questionnaires was given to 203 patients with restrictive and obstructive pulmonary diseases. Their responses were analyzed statistically.

Results: The questionnaire had high internal consistency for individual items within each of the three sections. The sections were highly correlated but provided separate and distinct information. Factors extracted from each section were related to severity of dyspnea. Pairwise t tests demonstrated highly significant differences in subject responses to the three sections. The least dyspnea was experienced during speech activities, more during physical activities, and the most when speech and physical activities were combined.

Conclusions: The questionnaire proved to be a quickly administered tool for providing information about the effect of dyspnea on activities of daily living. Because of the emphasis on dyspnea during speech production, it may be particularly useful for assessing patients who rely extensively on speaking ability for their livelihood.


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