• J P Janssens, B de Muralt, and V Titelion.
• Center for Pulmonary Rehabilitation, Hôpital de Rolle, Vaud, Switzerland.
• J Pain Symptom Manage. 2000 May 1;19(5):378-92.

AbstractProgression of chronic obstructive pulmonary disease (COPD) is frequently associated with increasing dyspnea; indeed, patients with severe COPD constitute the largest group of patients with chronic respiratory insufficiency. The sensation of dyspnea in these patients is mostly related to increased work of breathing, a consequence of an increased resistive load, of hyperinflation, and of the deleterious effect of intrinsic positive end-expiratory pressure (PEEP(i)). Once optimal medical treatment has been provided, pharmacological treatments of dyspnea exist (beta2-agonists, methylxanthines, opiates) but seldom suffice. Nonpharmacological complementary treatments must be envisioned. Patients with severe hyperinflation should be screened as possible candidates for lung reduction surgery. Pulmonary rehabilitation-including chest therapy, patient education, exercise training-has been established as effective on quality of life (QoL) and dyspnea. Noninvasive positive pressure devices may be effective for symptomatic treatment of severe dyspnea: continuous positive airway pressure (CPAP) counteracts the deleterious effect of PEEP(i) in patients with severe hyperinflation; intermittent positive pressure breathing (IPPB) may decrease dyspnea and discomfort during nebulized therapy; finally noninvasive positive pressure ventilation (NIPPV) has been shown to be effective on the sensation of dyspnea and QoL in COPD with severe hypercapnia.

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