The main focus will be on interstitial lung disease (ILD), since it is the prototypical restrictive disease.ĭyspnea is a respiratory symptom which can be defined as "the perception of respiratory discomfort occurring for an activity level that does not normally lead to breathing difficulty". This article will review the existing literature on the intensity and qualitative dimensions of dyspnea during exercise in patients with restrictive lung disease. One approach to the study of dyspnea is to identify the major qualitative dimensions of the symptom in an attempt to uncover different underlying neurophysiologic mechanisms. In recent decades, our understanding of the mechanisms of dyspnea in restrictive lung disease has been improved by a small, but significant, body of research. Effective management of this disabling symptom awaits a better understanding of its underlying physiology. ![]() Dyspnea is a common clinical manifestation of restrictive lung disease and frequently becomes a prominent and disabling symptom that undermines patients' ability to function and engage in activities of daily living (especially in those with more advanced restriction). Restrictive lung disease is a broad term encompassing a number of conditions in which lung volumes are reduced.
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