Abstract:When the term chronic obstructive pulmonary disease (COPD) was first used in 1970s, it included two main phenotypes: the "blue bloater" (chronic bronchitis) and "pink puffer" (emphysema). Recently, as our current knowledge on the disease has progressed, the attention has been drawn to very diverse subtypes of chronic airflow obstruction characterised by different causes, age of onset, pathological and clinical manifestations. Over the years, "recommendations" have been generated for the clinicians on how to ma… Show more
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