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  • Title: [Wheezing during normal breathing as a sign of bronchial obstruction].
    Author: Gross V, Reinke C, Dette F, Koehler U.
    Journal: Pneumologie; 2009 Jan; 63(1):6-9. PubMed ID: 18975256.
    Abstract:
    Wheezing is a clinical feature in patients with chronic obstructive airway diseases. Long-term monitoring of wheezing could provide a new dimension of diagnostic information as compared to lung function if wheezing really does represent airway obstruction. Patients with wheezing who were part of our Marburg Respiratory Sound Database (MARS) were studied. 20 patients with asthma and 17 patients with chronic obstructive pulmonary disease (COPD) were analysed with respect to pathological changes of lung function parameters. The patients were matched with persons without wheezing in regard to age, diagnosis and sex. Additionally, 58 healthy persons with normal lung function tests were analysed for the occurrence of spontaneous wheezing during normal breathing. In patients with wheezing, at least one parameter of lung function was pathological. For asthmatic patients significant differences for MEF (50) (p = 0.011), R (tot) (p = 0.002) and Tiffeneau (p = 0.001) were found. In patients with COPD significant differences for FEV (1) (p = 0.002) and MEF (50) (p = 0.030) were found. In none of the healthy persons with normal lung function did we find wheezing. Wheezing as a clinical sign of bronchial obstruction is useable for long-term monitoring. The method provides additional information that can help to monitor nocturnal asthma.
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