The National Emphysema Treatment Trial (NETT), supported by the National Heart, Lung, and Blood Institute (NHLBI), the Health Care Financing Administration (HCFA), and the Agency for Health Care Policy and Research (AHCPR), is the first multi-center clinical trial designed to determine the role, safety, and effectiveness of bilateral lung volume reduction surgery (LVRS) in the treatment of emphysema. Emphysema is a chronic lung condition that is a major cause of death and disability in the U.S. If LVRS is f
www.nhlbi.nih.gov/health/prof/lung/nett/lvrsweb.htm