Important Safety Information | NIOX VERO® User Manual (PDF)
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More accurate diagnosis with FeNO testing
Airway inflammation must be assessed
Asthma is usually diagnosed by clinical history and symptoms, using spirometry and peak flow records to evaluate airway obstruction. However, the results of these tests may be inconclusive as patients can have normal airflow, especially in mild cases.1 Therefore, normal lung function cannot exclude asthma.2
Airway inflammation is a key characteristic of asthma but it is not currently routinely measured. As a result, the condition is frequently underestimated in 50% of patients. This is even more common in patients with high inflammation, 2/3 of whom may not be identified.3
Misdiagnosis is common
Over-diagnosis is increasingly common and occurs in around 33% of adults and 50% of children.4,5 Mistaken diagnoses mean unnecessary medication and avoidable strain on the healthcare budget. On the other hand, it is believed that up to half of asthma cases are not diagnosed, adversely affecting the patient's quality of life, causing long-term airway remodelling, a risk of exacerbations and even death.6,7
The risk of misdiagnosis is high in asthma and diseases that present with similar symptoms must be reliably ruled out. These may include chronic obstructive pulmonary disease (COPD), rhinosinusitis, bronchiectasis, as well as non-pulmonary causes such as gastroesophageal reflux disease (GERD), anxiety or cardiac disease.8
Introducing FeNO testing
FeNO is the most convenient biomarker of airway inflammation. In a single breath, right at the point-of-care, FeNO testing gives healthcare professionals a clear picture of the level of inflammation in a patient's lungs.
FeNO testing is strongly recommended in national and international guidelines to help diagnose airway inflammation and asthma.8,9
Asthma is
7X MORE LIKELY
when FeNO >40 ppb10
FeNO testing makes a difference
FeNO testing helps healthcare professionals be more confident with their asthma diagnosis. Introducing FeNO testing is an effective way to start your newly diagnosed asthma patients on the right track to asthma control.
Identify patients likely to respond to ICS
FeNO is sensitive to inhaled corticosteroids (ICS): high FeNO levels indicate the patient is likely to respond. This can help titrate the first ICS prescription.
In contrast, it is unlikely that ICS will help control asthma in patients whose FeNO is low.8 Around 15% of asthmatics, typically middle-aged, overweight women, will not respond to ICS as expected.1,11
Help patients help themselves
FeNO testing is praised by many healthcare professionals as a great educational tool. Seeing their FeNO value helps patients understand the degree of airway inflammation in their lungs and the associated risks. Watching their FeNO come down to a healthier level is encouraging and may help patients with compliance to ICS medication.
Save time with FeNO
FeNO testing is a safe procedure that can easily be included in your clinical routine. It takes less than two minutes to perform a FeNO test and see the results at the point-of-care. FeNO advocate Dr Richard Russell (UK) describes it as a "desktop test", with the device available within arm's reach.
FeNO by NIOX VERO®
Learn more about the device of choice for FeNO testing.12
Get started with NIOX VERO®
Join the thousands of healthcare professionals who have already performed over 45 million FeNO tests with NIOX®, and improve patient outcomes.
