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The utility of exhaled nitric oxide in patients with suspected asthma
  1. M J Martin,
  2. E Wilson,
  3. W Gerrard-Tarpey,
  4. G Meakin,
  5. G Hearson,
  6. T M McKeever,
  7. D E Shaw,
  8. T W Harrison
  1. Nottingham Respiratory Research Unit, University of Nottingham, Nottingham City Hospital, Nottingham, UK
  1. Correspondence to Dr Matthew J Martin, Nottingham Respiratory Research Unit, University of Nottingham, Room B35, Clinical Sciences Building, Nottingham City Hospital, Hucknall Road, Nottingham NG5 1PB, UK; matthew.martin{at}


The value of FENO measurements in patients with symptoms suggestive of asthma is unclear. We performed an observational study to assess the ability of FENO to diagnose asthma and to predict response to inhaled corticosteroids (ICS). Our findings suggest FENO is not useful for asthma diagnosis but is accurate at predicting ICS response.

  • Asthma
  • Asthma in primary care
  • Exhaled Airway Markers

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