Bronchial Thermoplasty: A Breakthrough in Asthma Treatment?
Dr. Sanjay Gupta reports on a potentially breakthrough treatment for severe asthma. The procedure is called bronchial thermoplasty, in which heat is used to reduce the airway smooth muscle in all airways reachable by the bronchoscope in hopes of reducing the airways ability to constrict. The procedure just finished trial studies and had good results. But there are risks and there are no long term studies on the procedure. It is meant for generally healthy people who have severe asthma which cannot be completely controlled by medications. CNN's Dr. Sanjay Gupta reports: