支气管热成形术(BT)是近年来新出现的一项用于治疗药物治疗效果不理想的重症哮喘的方法,它的原理是通过热能减少支气管平滑肌的数量,以减轻气道痉挛。美国进行了大量动物实验、临床前试验和临床试验皆证明了该方法是有效和安全的。该治疗技术已得到美国食品药品管理局(FDA)认可并逐步在全世界推广。2010年4月27日美国FDA批准BT用于治疗重度和持续性哮喘。这种疗法从根本上改变了我们每天 Bronchial thermoplasty (BT) is a new method developed in recent years for the treatment of critically ill asthma. The principle of bronchial thermoplasty is to reduce bronchial smooth muscle volume by thermal energy and to reduce airway spasm. The United States conducted a large number of animal experiments, preclinical and clinical trials have proved that the method is effective and safe. The treatment technology has been the United States Food and Drug Administration (FDA) recognized and gradually spread throughout the world. April 27, 2010 FDA Approves BT for Treating Severe and Persistent Asthma. This treatment has fundamentally changed our everyday