Cardiovascular Angiography and Interventions and the Society of Thoracic Surgeons the Society of Cardiovascular Anesthesiologists: Endorsed by the Society for Management of Patients With Valvular Heart Disease): Developed in Collaboration With on Practice Guidelines (Writing Committee to Revise the 1998 Guidelines for the A Report of the American College of Cardiology/American Heart Association Task Force ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease :