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Diabetes and lung scar tissue



A friend`s mother is currently undergoing Pulmonary function tests. It is being suggested that due to her diabetes and history of congestive heart failure (she is not currently in CHF) and a-fib (her heart beats at a rapid uncontrollable pace but she has a pacemaker to keep the heart wihin a normal rhythm), that she has built up scar tissue in her lungs and this is causing her breathing difficulties. Can diabetes be a cause to lung scar tissue?


Lung disease is not generally thought of as a complication of diabetes however there are changes in many tissues as a result of diabetes, including changes in connective tissue so it is not beyond the realm of possibility.  If you looked in a textbook however diabetes would probably not be listed as a cause.  Nonetheless there is likely to be an overall improvement of breathing comfort function with CHF with improving blood sugar control.

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Response by:

Robert M Cohen, MD Robert M Cohen, MD
Professor of Clinical Medicine
College of Medicine
University of Cincinnati