Study on lung function in smokers visiting heart clinics
Part of Lungs & breathing clinical trials.
This study looks for signs of long-term lung problems in people who smoke or used to smoke, while they are visiting a heart doctor. It uses a simple breathing test and a short questionnaire to check if they might have a condition called airflow limitation.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 40 years old or older.
- You have smoked for at least 10 pack-years (for example, 1 pack a day for 10 years, or 2 packs a day for 5 years).
- You are willing to take a breathing test (spirometry) that measures how much air you can blow out.
- You are willing to fill out a short survey about your breathing symptoms (CAAT questionnaire).
- You are seeing a heart doctor (cardiologist) at one of the study locations.
- You do not have a known history of asthma.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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