NHS improvement has published a series of improvement guides:
Improving earlier diagnosis and the long term management of COPD: testing the case for change
Improving end of life care in chronic obstructive pulmonary disease (COPD): testing the case for change
Transforming acute care in chronic obstructive pulmonary disease (COPD): testing the case for change
Also from NHS Improvement:
First steps towards quality improvement: A simple guide to improving services
Delivering major breast surgery safely as a day case or one night stay (excluding reconstruction)
Case studies in transforming acute lung care
Good Practice in Respiratory Services
Finally see the DoH’s National strategy to transform care for millions with respiratory disease