Who is more susceptible to lung problems caused by pseudomonas aeruginosa?

Pre-existing lung DZ: Patient with COPD or cysytic fibrosis or bronchiectasis are more likely to have pseudomonas infection as well as those on a mechanical ventilator.

Cystics, COPD: Patients with cystic fibrosis and patients with chronic obstructive pulmonary disease with bronchiecteisis or pathologic dilation of their bronchi are most susceptible to pseudomonas lowere respiratory tract infections. Patients in the hospital on antibiotics are also susceptible to pseudomonas infections.