Bicentric Prospective Study, Evaluating Bronchial THERMOPLASTY in a Patient Presenting Severe Uncontrolled Asthma

To determine, from patients presenting severe asthma and an increase in bronchial smooth muscle mass, those who would be the best candidates for bronchial THERMOPLASTY. THERMOPLASTY should improve control of the asthma, reduce day-to-day symptoms and severe exacerbations, and improve respiratory function