American Association of Nurse Anesthesiology
The American Association of Nurse Anesthesiology (AANA), previously named the American Association of Nurse Anesthetists, is a professional association for nurse anesthetists in the United States. The name change in no way implies that CRNA are medical doctors or anesthesiologists.
Source: Wikipedia — American Association of Nurse Anesthesiology (CC BY-SA 4.0)