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The WHO and U.S. National Institutes for Health convened the original GOLD expert panel in 1998 to make recommendations for managing chronic obstructive pulmonary disease (COPD). GOLD now has updated its last comprehensive executive summary, published in 2017 (NEJM JW Gen Med Jun 15 2017 and Am J Respir Crit Care Med 2017; 195:557).
GOLD proposes a new, more-inclusive definition of COPD that focuses on respiratory symptoms, anatomic area of abnormality (airways and alveoli) and airflow obstruction as demonstrated by forced vital capacity/forced expiratory volume in 1 second (FVC/FEV1) <0.7.
A new definition of COPD exacerbation also is in…