Chronic obstructive pulmonary diseases: Recent trends

Vijayan, V K (1993) Chronic obstructive pulmonary diseases: Recent trends. In: Recent advances in respiratory medicine. [error in script], Trissur, Kerala, India, pp. 20-39.

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Chronic obstructive pulmonary disease (COPD) which includes chronic bronchitis and emphysema is a major cause of morbid i t y a n d m o r t a l i t y i n industrialised countries. An increasing prevalence of the disease has been observed in our country as well. Chronic bronchitis, emphysema and bronchial asthma are the major causes of obstruction to airflow from the lungs. Unlike Bronchial asthma, t h e a i r f l o w l i m i t a t i o n i n C O P D i s persistent. A CIBA symposium in 1959 defined chronic bronchitis, as a c o n d i t i o n o f s u b j e c t s w i t h chronic or recurrent excessive mucous secretions i n t h e b r o n c h i a l s i t e w i t h o u t a demonstrable cause, either local or general occurring most on most of the days for at least three months in the, year during last two years. National Heart lung a n d B l o o d I n s t i t u t e i n Intermittent positive pressure Breathing trial defined emphysema morphologically as a condition of the lung characterised by abnormal permanent enlargement of t h e a i r s p a c e s d i s t a l t o the terminal bronchioles a c c o m p a n i e d b y d e s t r u c t i v e changes of the alveolar walls and without obvious fibrosis.

Item Type: Book Section
Subjects: Tuberculosis > Clinical Research
Divisions: Clinical Research
Depositing User: Dr. Rathinasabapati R
Date Deposited: 24 Sep 2013 05:44
Last Modified: 14 Mar 2016 07:03

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