A new study shows how your exhalations during respiratory distress can help doctors discover the cause—and save your life by treating it quickly.
based on the metabolome, which is a person’s complete collection of small molecules.
In the U.K. study, the researchers found that detecting and measuring exhaled metabolites in one’s breath could be used as a diagnostic tool—one with more than 77 percent accuracy at predicting asthma, COPD, heart failure, and pneumonia, respectively. The new model accurately identified healthy volunteers 93 percent of the time. Additionally, their model correctly predicted at least 80 percent of patient deaths over the next two years.
The study authors reasoned that different conditions may lead to a variety of cellular processes, producing unique combinations of volatile organic compounds that are then exhaled. For instance, they found that heart failure patients had increased amounts of certain hydrocarbons, while acute asthma patients had fewer aldehydes than healthy controls.
This could be the difference between life and death in the near future. When a person is in respiratory distress, every second counts. Correctly diagnosing and treating the underlying cause of breathlessness is not always simple—but by diving into what makes our breaths unique, one day it may be.
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