Hi Trevor6. Sorry for the delay in replying - I've succumbed to the blasted flu bug that's doing the rounds so haven't been on the forum as much as usual.
To answer your question: I've had diagnosed Emphysema for 15 plus years although I now realise I was showing the symptoms for considerably longer. Pre LVR by valves my FEV1 was below 25% and using a shop bought peak flow meter I could 'blow' 140-150 lpm. In the past three years I've been using oxygen at 3-4 litres per minute when out walking, working in the house or garden etc.
In my case my lower left lung lobe was being crowded by a very diseased/over inflated upper left lobe. The valves were inserted to 'close down' the upper lobe which they are gradually doing. This has enabled the lower lobe to work more efficiently. My FEV1 is now 30% and, before this flu bug, I could blow 170 lpm on the peak flow meter. I've also been able to reduce my oxygen to 2 lpm and no longer use it so often. The oxygen reduction has been under the supervision of the local respiratory team.
I saw my consultant just after Christmas and he has referred me to the local hospital for preliminary investigation as to whether I may also be a suitable candidate for surgery! 🤞🤞
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