A prospective study of spray cryotherapy in patients with COPD

Authors :: Long Liang
Jushan Zhang
Hongxia Duan
Xuan Li
Changhui Wang
Shuanshuan Xie
Source :: Clinical and Translational Discovery, Vol 3, Iss 3, Pp n/a-n/a (2023)
Publication Year :: 2023
Publisher :: Wiley, 2023.
Abstract: Abstract Objective The purpose of this study was to estimate the safety and efficacy of spray cryotherapy (SCT) in patients with chronic obstructive pulmonary disease (COPD). Methods We recruited patients aged 40–80 years with a confirmed diagnosis of COPD without serious complications (defined as two consecutive years of chronic cough and cough for at least 3 months with lung function forced expiratory volume in 1 s [FEV1]/forced vital capacity [FVC]