Asthma is a common chronic inflammatory condition affecting the
airways and displays a varied phenotypic picture. It is becoming
increasingly recognized by healthcare workers and epidemiological
studies suggest that along with other atopic diseases, its
prevalence is rising. The precise etiology of asthma remains
uncertain, but genetic and environmental factors such as viruses,
country of origin, allergen exposure, early use of antibiotics, and
numbers of siblings have all been implicated in its inception and
development. Pathologically it is characterized by inflammation,
physiologically by airway hyper-responsiveness (or
hyper-reactivity) resulting in reversible airflow obstruction, and
clinically by wheeze, chest tightness, breathlessness and cough. It
can present in early childhood as well as adulthood, and varies
markedly in severity, clinical course, subsequent disability and
response to treatment. Exacerbations and symptoms of asthma are the
final manifestation of a complex interplay between an array of
inflammatory cells and mediators, which cause airway smooth muscle
to intermittently relax and contract.
Despite greater knowledge surrounding the immunopathological
origins of asthma and considerable advances in its management, it
remains one of the most important chronic diseases in young adults
and poses a significant degree of morbidity throughout all age
groups. A minority of patients experience difficulty in controlling
asthma and pose significant therapeutic difficulties in specialist
clinics. Exacerbations of asthma contribute to significant costs
for healthcare systems and are implicated in adversely affecting
the quality of life of individuals and their families. Moreover,
although asthma deaths have decreased over the past few decades, an
appreciable number of deaths still occur each year. Regular
anti-inflammatory therapy with inhaled corticosteroids is required
in all but the mildest of disease and attenuates underlying airway
inflammation and hyper-responsiveness, while bronchodilators are
designed to relax airway smooth muscle and prevent
bronchoconstriction on exposure to bronchoconstrictor stimuli.
Other forms of treatment are required in individuals with
persistent symptoms and exacerbations. In recent years several
potentially exciting treatments have emerged and are in varying
degrees of development.
Part of the new Oxford American Respiratory Library, this concise,
portable guide provides an essential reference on current,
evidence-based medical approaches to diagnosing and managing
asthma. This practical volume features chapters on the
pathophysiology of the disease with information on the common
symptoms and potential triggers. In addition, the text includes
discussions of new and emerging pharmacotherapies and complementary
treatment therapies, with guidelines for symptom prevention.
General
Imprint: |
Oxford UniversityPress
|
Country of origin: |
United States |
Series: |
Oxford American Respiratory Library |
Release date: |
May 2010 |
First published: |
April 2009 |
Authors: |
William Berger
(Clinical Professor at the College of Medicine)
|
Dimensions: |
203 x 129 x 7mm (L x W x T) |
Format: |
Paperback
|
Pages: |
112 |
ISBN-13: |
978-0-19-538439-0 |
Categories: |
Books >
Medicine >
Clinical & internal medicine >
Respiratory medicine
Promotions
|
LSN: |
0-19-538439-3 |
Barcode: |
9780195384390 |
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