Article
Relationship between frequency, length, and treatment outcome of exacerbations to baseline lung function and lung density in alpha-1 antitrypsin-deficient COPD.
International journal of chronic obstructive pulmonary disease - 1 Jan 2012
Vijayasaratha Kesavaperumal, Stockley Robert A
Abstract excerpt
BACKGROUND: Diary cards are useful for analyzing exacerbations in chronic obstructive pulmonary disease (COPD), although factors influencing the length and frequency of each episode are poorly understood. This study investigated factors that influence the features of exacerbations in patients with alpha-1 antitrypsin (AAT) deficiency (PiZ phenotype) and COPD. METHODS: Daily diary cards were collected over 2...
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