This study investigates the use of fractional exhaled nitric oxide (FeNO) measurement to monitor non-pharmacological therapy during a three-week inpatient rehabilitation programme for asthma patients. It compares FeNO levels (measured three times a day) with clinical parameters and quality of life to analyse daily fluctuations and the acute effect of exercise training on FeNO levels. As FeNO is a non-invasive biomarker of airway inflammation, this study aims to expand its role in therapy monitoring and explore its application in a rehabilitation setting.
Study Type
OBSERVATIONAL
Enrollment
62
Schön Klinik Berchtesgadener Land
Schönau am Königssee, Germany
Fractional Exhaled Nitric Oxide (FeNO) at rest
Measurement of FeNo will be done with the Vivatmo Me device (by Bosch Health Care Solutions GmbH)
Time frame: From enrollment to the end of rehabilitation at 3 weeks. Daily measurements at 9AM; 1PM; 5PM
Fractional Exhaled Nitric Oxide (FeNO) before/after exercise
Measurement of FeNo will be done with the Vivatmo Me device (by Bosch Health Care Solutions GmbH)
Time frame: From enrollment to the end of rehabilitation at 3 weeks, FeNO measurements will be done before and after a bicycle endurance training
Asthma control
Assessed by Asthma Control Test (ACT)
Time frame: On admission and discharge from the 3-week rehabilitation programme
Lung function
Forced expiratory flow in 1 second, will be measured by Bodyplethysmography
Time frame: On admission and discharge from the 3-week rehabilitation programme
Eosinophils
Eosinophils will be collected by venous blood sample. Unit: total number of cells per ul blood and percentage
Time frame: On admission and discharge from the 3-week rehabilitation programme
C-reactive protein
C-reactive protein will be collected by venous blood sample. Unit: mg/liter
Time frame: On admission and discharge from the 3-week rehabilitation programme
Immunoglobulin E (IgE)
Immunoglobulin E will be collected by venous blood sample. Unit: ug/liter
Time frame: On admission and discharge from the 3-week rehabilitation programme
6-minute walk test
This test will be performed according to the described standard of the American Thoracic Society and the European Respiratory Society 2014
Time frame: On admission and discharge from the 3-week rehabilitation programme
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