Definition of cause for English Language Learners. : 1  something or someone that produces an effect, result, or condition : something or someone that makes something happen or exist. : 2  a reason for doing or feeling something. : 3  something (such as an organization, belief, idea, or goal) that a group or people support or fight for.
Though PH patients have 68% probability of surviving after the first year of diagnosis, and the chances decrease to 34% four years later, according Ohio State University Lung Center, early diagnosis is critical in increasing the pulmonary hypertension life expectancy.
The life expectancy for someone with emphysema depends on many factors. That said, emphysema is not typically diagnosed until there is 40 to 50 percent lung damage, which is stage 2 or 3 emphysema. Therefore, the prognosis of emphysema is not favorable.The average life expectancy for someone with emphysema is five years.Your life expectancy drops to two years, however, if you donât seek treatment and/or you do not quit smoking [source: Health Information Directory].herefore, the prognosis of emphysema is not favorable. The average life expectancy for someone with emphysema is five years. Your life expectancy drops to two years, however, if you donât seek treatment and/or you do not quit smoking [source: Health Information Directory].