The American Thoracic Society’s Spirometric Criteria Alone is Inadequate in Asthma Diagnosis | Zendy

John Gjevre | Zendy; Thomas S. Hurst | Zendy; Regina M. TaylorGjevre | Zendy; Donald W. Cockcroft | Zendy

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The American Thoracic Society’s Spirometric Criteria Alone is Inadequate in Asthma Diagnosis

Author(s) -

John Gjevre,

Thomas S. Hurst,

Regina M. TaylorGjevre,

Donald W. Cockcroft

Publication year - 2006

Publication title -

canadian respiratory journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.675

H-Index - 53

eISSN - 1916-7245

pISSN - 1198-2241

DOI - 10.1155/2006/198940

Subject(s) - medicine , spirometry , asthma , pulmonary function testing , bronchodilator , gold standard (test) , physical examination , vital capacity , bronchial hyperresponsiveness , physical therapy , respiratory disease , lung function , diffusing capacity , lung

The diagnosis of asthma is based on clinical symptoms, physical examination and pulmonary function tests, and can be very challenging. Most patients with asthma have a significant postbronchodilator response on spirometry indicating airway hyperresponsiveness. However, having a significant bronchodilator response by itself is not diagnostic of asthma. The definition of a 'significant' response has also been controversial. Many respirologists use the American Thoracic Society (ATS) postbronchodilator response criteria of 12% (provided it is 200 mL or greater) improvement in forced expiratory volume in 1 s (or forced vital capacity) from the baseline spirometry.

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