نتایج جستجو برای: bronchodilator
تعداد نتایج: 3997 فیلتر نتایج به سال:
The aim of the present study was to establish the agreement between two recommended definitions of airflow obstruction in symptomatic adults referred for spirometry by their general practitioner, and investigate how rates of airflow obstruction change when pre-bronchodilator instead of post-bronchodilator spirometry is performed. The diagnostic spirometric results of 14,056 adults with respirat...
Bronchodilator responsiveness has been associated with a subsequent accelerated decline in forced expiratory volume in one second (FEV1). Therefore, bronchodilator responsiveness and total serum immunoglobulin E(IgE) levels were assessed in 184 adult first-degree relatives of probands with severe early-onset chronic obstructive pulmonary disease (COPD) and a control group. Greater bronchodilato...
BACKGROUND According to previous data on asthma in the English literature, there are some results that show encouraging effects of acupuncture improving pulmonary function in asthma patients. We designed a prospective randomized crossover controlled study to determine the efficacy of acupuncture in asthma patients. METHODS Eighteen asthma patients with bronchodilator response >20% improvement...
OBJECTIVE To measure airway resistance with the interrupter resistance (Rint) technique in patients with cystic fibrosis (CF) and to determine whether Rint values correlate with spirometric parameters, as well as to evaluate the accuracy of the Rint technique in determining the airway response to a bronchodilator. METHODS This was a cross-sectional study involving 38 children and adolescents ...
Introduction Basic Concepts of Aerosol Therapy Inertial Impaction Gravitational Sedimentation Diffusion The Nebulizer The Metered Dose Inhaler Differences during Mechanical Ventilation The Ventilator-Patient Interface Breath Configurations The Airway The Environment The Assessment Evaluation of Lower Respiratory Tract Aerosol Delivery with Bench Models of Mechanical Ventilation Aerosol-Generati...
The bronchodilator effect of nebulized AMN, albuterol and their combination was evaluated in 16 steroid-dependent asthmatic children. In phase 1, maximal bronchodilation was determined by dose-response studies on separate days. Maximal bronchodilator dose of each drug was administered either alone or in combination during phase 2. In phase 1, 0.11 +/- 0.01 mg/kg of albuterol and 0.03 mg/kg of A...
Pressurized metered-dose inhalers (pMDIs) are commonly employed for administering bronchodilator aerosols to mechanically ventilated patients. Although it is feasible to employ dry powder inhalers in ventilator circuits, the presence of humidity in the ventilator circuit could reduce their efficiency. A complex array of factors influence drug delivery from pMDIs during mechanical ventilation, a...
Diagnostic tests can only increase or decrease the probability of the asthma diagnosis, so a thorough history is very important. In patients with asthma-like symptoms, spirometric evidence of airway obstruction plus a large bronchodilator response makes asthma much more likely. However, normal spirometry is common in patients with mild asthma who are not symptomatic at the time of testing, and ...
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