The most important relationship in women is that of bronchiectasis. For nodular disease the risk factors are being Caucasian, female, average age between 60 and 70, and having bronchiectasis. MAC pulmonary (lung) disease’ major susceptibility risk factors depend on which of the two types of disease are present. The MAC disease in AIDS is widely disseminated throughout the body and rarely involves the lung, while pulmonary MAC only involves the lungs. MAC is also acquired in conjunction with other underlying diseases such as Cystic Fibrosis, lung issues caused by heavy smoking, excessive alcohol consumption, and Acquired Immune Deficiency Syndrome (AIDS).ĭisseminated MAC disease frequently occurs in AIDS patients due to a very low immune system but is a different type of disease than chronic lung MAC. There is evidence that the disease is environmentally acquired meaning that the MAC germs get into the lungs or body via air, water, or soil. Some documentation includes the relationship of pulmonary MAC to scoliosis (curvature of the spine), gastroesophageal reflux disease (GERD), asthma and chronic bronchitis. This type of disease is referred to as “upper lobe cavitary disease”.Ī: There are no known causes but several factors that contribute to pulmonary MAC disease. The second type is associated with cavities in the upper parts of the lung that mimic tuberculosis.

One type results in multiple nodules in the lungs and is referred to as “nodular disease”. It comprises more than one type of microorganism (both M. MAC is related to the tuberculosis germ, but is not contagious and the MAC microbes live in the environment. About “ Mycobacterium avium intracellulare complex (MAC)Ī: “ Mycobacterium avium intracellular e” (MAI) or “ Mycobacterium avium Complex” (MAC) is an atypical NON-TB germ (micro-organism).

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