• Bartolome R Celli, Leonardo M Fabbri, Shawn D Aaron, Alvar Agusti, Robert D Brook, Gerard J Criner, FranssenFrits M EFMEDepartment of Research and Education, CIRO, Horn, the Netherlands.Department of Respiratory Medicine, Maastricht University Medical Center, Maastricht, the Netherlands., Marc Humbert, John R Hurst, Montes de OcaMariaMUniversidad Central de Venezuela, School of Medicine, Centro Medico de Caracas, Caracas, Venezuela., Leonardo Pantoni, Alberto Papi, Roberto Rodriguez-Roisin, Sanjay Sethi, Daiana Stolz, Antoni Torres, Claus F Vogelmeier, and Jadwiga A Wedzicha.
• Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
• Am. J. Respir. Crit. Care Med. 2023 May 1; 207 (9): 113411441134-1144.

AbstractPatients with chronic obstructive pulmonary disease (COPD) may suffer from acute episodes of worsening dyspnea, often associated with increased cough, sputum, and/or sputum purulence. These exacerbations of COPD (ECOPDs) impact health status, accelerate lung function decline, and increase the risk of hospitalization. Importantly, close to 20% of patients are readmitted within 30 days after hospital discharge, with great cost to the person and society. Approximately 25% and 65% of patients hospitalized for an ECOPD die within 1 and 5 years, respectively. Patients with COPD are usually older and frequently have concomitant chronic diseases, including heart failure, coronary artery disease, arrhythmias, interstitial lung diseases, bronchiectasis, asthma, anxiety, and depression, and are also at increased risk of developing pneumonia, pulmonary embolism, and pneumothorax. All of these morbidities not only increase the risk of subsequent ECOPDs but can also mimic or aggravate them. Importantly, close to 70% of readmissions after an ECOPD hospitalization result from decompensation of other morbidities. These observations suggest that in patients with COPD with worsening dyspnea but without the other classic characteristics of ECOPD, a careful search for these morbidities can help detect them and allow appropriate treatment. For most morbidities, a thorough clinical evaluation supplemented by appropriate clinical investigations can guide the healthcare provider to make a precise diagnosis. This perspective integrates the currently dispersed information available and provides a practical approach to patients with COPD complaining of worsening respiratory symptoms, particularly dyspnea. A systematic approach should help improve outcomes and the personal and societal cost of ECOPDs.

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