Effectiveness of cognitive behavioural therapy (CBT) interventions for anxiety in patients with chronic obstructive pulmonary disease (COPD) undertaken by respiratory nurses: The COPD CBT CARE study: (ISRCTN55206395)

Anxiety and depression are common co-morbidities in patients with chronic obstructive pulmonary disease (COPD). Serious implications can result from psychological difficulties in COPD including reduced survival, lower quality of life, and reduced physical and social functioning, increased use of health care resources and are associated with unhealthy behaviours such as smoking.