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.
People with moderate to severe, stage 2 and 3 emphysema, have a life expectancy of five years or more with intensive treatments. People with end-stage, stage 4 emphysema, have little time to live, even with treatment [source: No More Smokes].hat 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.