Thank you for being so generous with your time. A lot of this is helpful. I know which Dr you are referring to and had been thinking about trying to see him. I am on another forum Team Inspire and many of the people on it go to the National Jewish Hospital. NJH seems to put a lot of emphasis on airway clearance information and education along with treatments. I am sure both are excellent choices. Too bad NJH is at such a high altitude in Denver. Kind of ironic for those with lung issues! Pseudomonas tends to become less active when other bacterias are eliminated but it is rarely eliminated. Mine always shows up fairly heavily in cultures with mucoid strain which is the chronic form. Thank you again so much. I hope the Colistin keeps helping you. Keep us posted!