New Heat Technology Helps Asthma Patients

A new technology that uses radio waves to burn off overgrown muscle in the airways of asthma sufferers helped them breathe better, have fewer symptoms and use less medication, researchers report.

The technique, called bronchial thermoplasty, now is being tested in a larger trial that could lead to its approval by the U.S. Food and Drug Administration.

"This is the first trial that shows a fairly remarkable response," said co-researcher Dr. John D. Miller, an associate professor of surgery at McMaster University in Canada. "It also is the first non-drug treatment for asthma to be developed recently."


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