The American Association of Professional Hypnotherapists is a worldwide organization that promotes communication between professionals for the promotion and development of ethical methods, techniques, and standards in the field of hypnotherapy.
From MedPage Today:
http://www.medpagetoday.com/Cardiology/AcuteCoronarySyndrome/tb/3128
From the story:
"MANCHESTER, England, April 20 - Hypnotherapy helped relieve non-cardiac, angina-like chest pain, an extremely debilitating and difficult-to-treat condition, according to a small study here. There is good evidence that patients with this condition and normal coronary arteries have an excellent prognosis in terms of life expectancy and that the risk of developing coronary artery disease at a later date is remarkably low, researchers wrote in a study reported online by Gut."
Be sure to read the entire story, which lists specific percentage rates of clinically tracked success.