overdraft facility. A credit agreement made with a financial institution that permits an account holder to use or withdraw more than they have in their account, without exceeding a specified maximum negative balance.
Without treatment, moyamoya disease can be fatal. Left untreated, individuals with the disease will experience mental decline and multiple strokes due to the narrowing of the arteries. Related: 1  Learn the signs and symptoms of a stroke.
With current treatments, patients with lower-risk types of some MDS can live for 5 years or even longer. Patients with higher-risk MDS that becomes acute myeloid leukemia (AML) are likely to have a shorter life span. About 30 out of 100 MDS patients will develop AML. PNH. Many people with PNH live for decades.