Hi Dr. I am suffering from severe emphysema . i made AV-Fistela emobolization, i have some improvement , but still i am facing facing dyspneic at short distance walk , i am on spiriva , symbiocortand relevar , but the i am always feel that i am in need of air and O2 , do you think , that in india thnere is some new development in my case where i can get ?? thanks