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Chronic Obstructive Pulmonary Disease Quiz

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Which lifestyle change is the most important for a person with chronic obstructive pulmonary disease who continues to smoke?

A Using prophylactic oxygen therapy in all patients
B Avoiding all physical exercise
C Starting long term oral corticosteroids
D Stopping smoking ✓
E Increasing dietary salt intake

The answer is D: Stopping smoking

Explanation

Why D is correct

See Management. Option D is correct because stopping smoking is the most important thing a person with COPD can do. COPD (chronic obstructive pulmonary disease) is a long-term condition in which the airways are inflamed, damaged and narrowed, and smoking is its main cause. Tobacco smoke keeps the airways inflamed and damages the cilia, the tiny hairs that sweep mucus out of the lungs, so mucus builds up and infections become more likely. Quitting cannot rebuild lung tissue that has already been destroyed, but it removes the ongoing insult, so the airways are no longer repeatedly injured. NICE advises offering stop-smoking support, combined with a support programme, to every person with COPD who smokes, and the NHS describes stopping smoking as the most important thing a person with COPD can do. Other measures, such as inhalers and pulmonary rehabilitation (a specialised programme of exercise and education), help with symptoms but do not remove the cause. A simple rule to remember: every other COPD treatment manages the damage, while stopping smoking stops the damage.

Most important step: Stopping smoking.
Reason: Smoking is the main cause and keeps the airways inflamed and the cilia damaged.
Other measures: Inhalers and pulmonary rehabilitation treat symptoms but do not remove the cause.

Why the other options are incorrect

A. Using prophylactic oxygen therapy in all patients: Oxygen is a treatment, not a lifestyle change, and it is only given to selected people whose blood oxygen is persistently low. Giving it routinely to everyone is not part of COPD management.
B. Avoiding all physical exercise: People with COPD are offered pulmonary rehabilitation, a specialised programme of exercise and education, and staying active within limits is encouraged. Avoiding exercise tends to leave people less fit and more breathless.
C. Starting long term oral corticosteroids: Long-term oral corticosteroids (anti-inflammatory tablets such as prednisolone) are not recommended for stable COPD because of their side effects. They are not a lifestyle change at all. Short courses are used for exacerbations, not as daily maintenance.
E. Increasing dietary salt intake: Salt intake has no established effect on airway inflammation or airflow limitation in COPD. Extra salt would simply raise blood pressure and fluid retention, which can matter if the heart is also affected. A salt reduction would be advised for heart failure or hypertension, not for the COPD itself.

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1
Which pathological change is most characteristic of emphysema?
2
Which pathological change is most characteristic of chronic bronchitis and directly contributes to airflow obstruction?

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