Publications by authors named "Ayano Tsukune Usuba"

Background: Bronchial hyperresponsiveness testing is useful for diagnosing and predicting the risk of bronchial asthma attacks. The Astograph is a tidal breathing method often used in as bronchial provocation testing in Japan. The minimum methachorine dose (Dmin) indicates bronchial sensitivity and is used mainly as an index of bronchial hyperresponsiveness.

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Background: Our hospital in the western part of Yokohama City managed adult bronchial asthma patients via a coordinated care system with primary care clinics. The aim of the system is to provide effective daily and emergency medical care.

Methods: The study comprised 288 adult stable asthmatics (201 women) who were examined at Yokohama City Seibu Hospital between Jan 2009 and May 2018 and who were being managed under our coordinated care system at one of 80 primary clinics or hospitals.

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In bronchial asthma, both airway inflammation and reversible airway narrowing require assessment and treatment. These two pathologies are treated primarily with inhaled corticosteroids (ICS) and long-acting β2 agonists (LABA), respectively. Therefore, ICS-LABA combinations are widely used to treat asthma.

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