Objective NEWS2 (RCP 2017)1 recommends use of ‘SpO2 Scale 2’ in patients with hypercapnic respiratory failure (usually due to COPD) to aim target saturations of 88–92%. We aimed to identify if COPD ...

Background Panax ginseng (ginseng) is a therapeutic herb which might be beneficial in COPD. The study investigated if ginseng, compared with placebo, is effective and safe for people with moderate ...