Bronchial thermoplasty
http://matchhealth.com/innovation/breathing/asthma/bronchial-thermoplasty/the-bt-procedure
Bronchial Thermoplasty is a non-pharmacological intervention developed for the treatment of moderate to severe asthma. Results bronchial thermoplasty to modest improvements in quality of life scores and clinically relevant reductions in severe exacerbations and emergency department for asthma.