Asthma Progression of Disease with Abnormality in Pulmonary Function

asthma progression
More severe asthma can persist from childhood into adulthood without remission. Another important tendency in the natural history is for symptoms to remit in adolescence only to return again in adulthood. In general, the amount of wheezing in early adolescence seems to be a guide for severity in early adult years, with 73% of those with few symptoms at age 14 years continuing to have little or no asthma progression at age 28 years. Similarly 68% of those with frequent wheezing at 14 years still suffered from recurrent asthma at age 28 years. Most subjects with frequent wheezing at 21 years continued to have comparable asthma at 28 years. In addition to the importance of symptoms in childhood, childhood degree of bronchial responsiveness in combination with a low FEV-1 were also related to the outcome of asthma in adulthood. (more…)

Antileukotrienes in Acute Asthma: Zafirlukast, Montelukast, Leukotriene Receptor Antagonists

Leukotriene Receptor Antagonists
Leukotrienes can be found in the airway and urine following both spontaneous exacerbations of asthma and acute exposure to bronchoconstrictor stimuli in the laboratory. This in turn indicates that they may have a role in the pathogenesis of acute episodes of bronchoconstriction. Although antileukotrienes are not currently advocated in the management of acute asthma, there are data to suggest that they might be of some potential benefit. Prior treatment with montelukast asthma has been shown in several studies to significantly shorten the time taken to recover (in terms of FEV 1 ) following exposure to a bronchoconstrictor stimulus. (more…)

Asthma Morbidity and Mortality

asthma morbidity
In 2004, there were 2.4 million children aged 5 to 14 years, or 5.9% of this population group, with a self-reported asthma attack, with no decrease in prevalence since 1997 1 in spite of the much improved therapies available. In this interval, the number of physician office visits for asthma doubled, from 1.7 to 3.3 million which many leads to asthma morbidity and asthma mortality. (more…)

Formoterol-Budesonide Combination Therapy forReliever Medication In Asthma

Formoterol-Budesonide
Asthma control is improved by combining inhaled corticosteroids with long acting beta-agonists but patients still require reliever medication for breakthrough symptoms. Periodic fluctuations in symptoms and airway inflammation are characteristics of asthma, which means that treatment requirements, especially reliever use, can vary over time. (more…)

Effects Of Treatment With Anti-Immunoglobulin E Antibody Omalizumab

IgE plays an important role in allergic asthma. Reducing IgE in the airway mucosa should reduce airway inflammation. Omalizumab has significant anti-inflammatory effect and reduces serum and airway IgE, but IgE or eosinophils may not be causally linked to airway bronchial hyperresponsiveness to methacholine in mild to moderate asthma. (more…)

Functional Haplotypes Of IL-12B Are Associated With Childhood Atopic Asthma

Haplotypes IL-12B
Increasing evidence demonstrates that cytokines of Th1 and Th2 cells play important roles in allergic disorders. This study examined polymorphisms in the IL-12B gene, a primary inducer of the development of Th1 cells with downregulation of the Th2 cytokines. The exons, splice sites and portions of the 5” and 3” flanking regions of the IL-12B gene were sequenced and 13 polymorphisms identified. A case–control study of Japanese children (297 cases) with asthma stratified by asthma-related phenotypes was conducted on a subset of three of these SNPs. The functional effects of the identified polymorphisms were examined using luciferase and RNA stability assays. (more…)

Inhaled Fluticasone Inhaler with Intravenous Hydrocortisone Comparison

The role of oral and inhaled corticosteroids in the management of acute asthma is well known. This study compared the effects of inhaled fluticasone propionate with those of intravenous hydrocortisone in patients with acute severe asthma.

One hundred and six patients with acute severe asthma were assigned in a double-blind, randomized manner to receive fluticasone propionate by means of a metered-dose inhaler into a spacer device in a dose of two puffs at 10-min intervals (3000 µg fluticasone propionate/h), or intravenous hydrocortisone. (more…)

Environmental Tobacco Smoke and Risk of Asthma

Environmental Tobacco Smoke
The effects of exposure to environmental tobacco smoke (ETS) on children have been extensively studied and numerous surveys have consistently reported an association between environmental tobacco smoke exposure and respiratory diseases or respiratory allergies. Strong evidence exists that passive smoking increases the risk of lower respiratory tract illnesses such as bronchitis, wheezy bronchitis and pneumonia in infants and young children. (more…)

Classification of Asthma & Chronic Airway Obstruction

Asthma Chronic Airway
Classification of bronchial asthma can be based on age, etiology, associated characteristics, or severity. Classifications based on severity have been primarily designed as an approach to asthma treatment. Thus, management of mild intermittent disease may require only bronchodilator treatment, but frequent attacks with or without persistent mild symptoms require a comprehensive approach to controlling inflammation as well as bronchodilator treatment. Severe asthma can become a major clinical problem that requires specialist care and many different approaches to asthma attack treatment. (more…)

Pediatric Allergy – Children Allergic Treatment and Medication

pediatric allergy

pediatric allergy children
Treatment of allergic diseases in childhood presents unique challenges, as both the beneficial effects and the detrimental effects of intervention(s) may last for decades and even for a lifetime. Most allergic diseases are managed in a community setting by primary care physicians, rather than in a hospital setting by allergy specialists. Here, we describe outpatient treatment, which is focused on prevention and relief of morbidity from allergic diseases and on the identification of children at high risk (more…)

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