Is it appropriate to treat all COPD patients with long-acting bronchodilators?
Is it better to start with a β2-agonist or with an anti-muscarinic agent?
Is it useful to use a bronchodilator with a rapid onset of action?
Is once- or twice-daily dosing preferable?
When can we add a second bronchodilator with a different mechanism of action?
When must we add an ICS?