Thanks for your question on Healthcare Magic.
I can understand your concern.
Following are my additional advice for your question wife's disease.
1. Strict salt restriction in diet.
2. Avoid excessive fluid intake. Give her only 1.5 liters of fluid per day.
3. Give him oxygen for
prolonged periods, for at least 4-5 hours. Give him continuous oxygen at night because at night
oxygen saturation tend to fall.
4. Give only 2iters of oxygen flow not more than 2 liters.
5. While in bed, give her chest up position.
6. It's advisable to use air bed to prevent bed sores.
7. Start Picnovit tablet. It is pulmonary specific anti oxidant and it is having good role in chronic Pulmonary diseases.
Hope I have solved your query. I will be happy to help you further. Wishing good health to your wife. Thanks.