Lung Health: Insights on Valve Issues and Growth in Teens - Pulmonology

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Issues related to the lungs?


Hello doctor, a few weeks ago I suddenly experienced some difficulty breathing.
I saw a pulmonologist who found nothing serious, but when I consulted a cardiologist, it was discovered that I have mild mitral valve regurgitation.
The pulmonologist mentioned that my lungs, despite not being from a smoker, are somewhat suboptimal, and that the "muscles" should be a bit thicker, but are still considered normal.
The doctor also suggested that it might be related to my age, as I am still 17 and my lungs are still developing.
However, I don't understand what the doctor meant by "the muscles should be a bit thicker" and what impact this might have on my lungs.

Bǐdé, 10~19 year old female. Ask Date: 2017/09/05

Dr. Jian Shuntian reply Pulmonology


Hello: In summary, there are no significant issues, and regular follow-up is sufficient.
What is considered regular? Please return to the thoracic medicine outpatient clinic annually or whenever you experience discomfort.
Best regards.

Reply Date: 2017/09/05

More Info


Understanding lung health, especially during the teenage years, is crucial as this is a period of significant growth and development. Your recent experience with breathing difficulties and the subsequent findings from both the pulmonologist and cardiologist provide valuable insights into your lung and heart health.

Firstly, the term "筋應該可以在粗一點" (which translates to "the bronchi should be a bit thicker") likely refers to the bronchial walls and their structure. In a healthy lung, the bronchi (the large air passages that lead from the trachea to the lungs) should have a certain thickness that indicates good structural integrity. If the bronchi are described as being thinner than expected, it may suggest a degree of airway hyperreactivity or inflammation, which can be associated with conditions like asthma or chronic bronchitis. This is particularly relevant in younger individuals whose lungs are still developing.

The fact that you do not smoke is a positive aspect, as smoking can significantly impair lung function and lead to chronic lung diseases. However, environmental factors, such as exposure to pollutants or allergens, can also affect lung health. The pulmonologist's comment about your lungs being "relatively poor" despite not smoking could indicate that there are other factors at play, such as genetic predispositions or environmental exposures that may be impacting your lung function.

Regarding your age, 17 is a critical time for lung development. The lungs typically continue to grow and mature until the early twenties. During this time, lung function can improve, especially with healthy lifestyle choices, including regular exercise and avoiding harmful substances. If your lungs are still developing, there may be potential for improvement in lung function as you continue to grow.

The mild valve insufficiency discovered by the cardiologist is also noteworthy. While this condition may not directly affect your lung health, it can contribute to symptoms like shortness of breath, especially during physical activity. The heart and lungs work closely together; any issue with one can impact the other. It’s essential to monitor this condition, but mild valve insufficiency is often manageable and may not require immediate intervention.

In summary, the comments from your doctors suggest that while there are some concerns regarding your lung structure and function, there is also room for improvement as you continue to grow. Regular follow-ups with your healthcare providers are essential to monitor your lung health and any cardiovascular issues. Engaging in healthy lifestyle practices, such as maintaining a balanced diet, exercising regularly, and avoiding exposure to harmful substances, will support your lung and overall health.

If you have further questions or concerns, especially regarding your symptoms or the implications of the findings, do not hesitate to reach out to your healthcare providers. They can provide personalized advice and treatment options tailored to your specific situation.

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