Cromolyn sodium, a mast cell stabilizing agent, provides an immediate protective effect against the exercise-induced bronchoconstriction while being used before the exercise. However, cromolyn is ineffective in reversing asthmatic bronchospasm; it is used as a maintenance therapy and has a prophylactic role in chronic asthma.    The purpose of this study was to determine the extent of change...

asthma is one of the most common problems of childhood, responsible for a significant proportion of abstinence from school because of chronic illness. this study was carried out among the school-aged children (7-18 years) in tehran schools during 2002-2003, in order to determine the frequency of asthma. according to the recommendation of who (world health organization), we designed a questionna...

Background: Asthma is a chronic inflammatory disorder of the airways. The available treatment options have major limitations owing to low efficacy, associated adverse events and compliance issues. Therefore, the health burden of bronchial asthma is increasing globally at an alarming rate, providing a strong impetus for the development of new therapeutics. Myrica sapida is known traditionally in...

glutaraldehyde is commonly used in endoscopy labs to clean and disinfect instruments. it can cause direct irritation of the skin and the upper and lower airways. health care workers are also at risk for the development of irritant-induced or sensitizer-induced occupational asthma when exposed to this chemical. herein, we report on a patient who had frequent exposures to glutaraldehyde over one ...

Introduction: Asthma is a chronic inflammatory disorder of the airways often characterized by airway remodeling and influx cells into airways. Saffron (C. sativus) has been reported to possess anti-inflammatory, anti-allergic immunomodulatory properties. Salbutamol known relax smooth muscles. Objective: To investigate combined anti-asthmatic effect C. sativus extract (CSE) salbutamol in an oval...

asthma is a chronic inflammatory disease of the airway with extensive airway remodeling. the ethical issues associated with the studies in asthmatic patients, required development of animal model of asthma. animal models of asthma can provide valuable information on several features of asthma pathogenesis and treatment. although these models cannot carry out all clinical features, they are valu...

This review will encompass definition, history, epidemiology, pathogenesis, diagnosis, and management of exercise -induced bronchospasm in the pediatric individual with and without known asthma. Exercise induced asthma is the conventional term for transient airway narrowing in a known asthma in association with strenuous exercise usually lasting 5-10 minutes with a decline in pulmonary function...

Asthma is one of the most common respiratory tract diseases (approximately 7% adults and 10% adolescents children suffer from asthma in Russian Federation). The occurrence frequency does not depend on sex or age population. number patients with worldwide increased annually. majority respond well to conventional therapies successful disease control, but 20%30% have severe phenotypes resisting kn...

19 cats were nper-sensitized to allergic asthma by receiving a concomitant spray ang injection of ovalbumin (10% fresh egg-white in normal saline) every other days for four weeks.then animals were anesthetized and left femoral artery cannulation performed to record atrerial pressure and take blood samples.left femoral vein was cannulated to infuse nutritional fluids and grugs as needed.trachea ...

Upper respiratory tract infections (URIs) represent the most frequent cause of acute asthma exacerbations. It has yet to be determined whether leukotriene receptor antagonist (LTRA) treatment prevents URI-induced acute asthma exacerbations in adults. The objective of the present study was to evaluate the preventive effects of LTRA treatment on URI-induced acute asthma exacerbations. The inciden...