Improved survival in cystic fibrosis patients with severely impaired lung function
- Correspondence to Vishal Narwani, Medical student, Royal Free Hospital, Pond Street, London NW3 2QG, UK; vishal.narwani.10{at}ucl.ac.uk
- Asthma mechanisms
- bronchiectasis
- cystic fibrosis
- asthma guidelines
- cystic fibrosis
- exhaled airway markers
- lung physiology
- paediatric asthma
- paediatric lung disease
A forced expiratory volume in one second (FEV1) less than 30% predicted has been accepted as the threshold at which 50% of patients with cystic fibrosis (CF) survive 2 years or less. However, this estimate, made in the early 1990s, does not take into account recent developments in treatment. This cohort study aimed to …








