Tuberc Respir Dis > Volume 50(6); 2001 > Article
Tuberculosis and Respiratory Diseases 2001;50(6):693-703.
DOI: https://doi.org/10.4046/trd.2001.50.6.693    Published online June 1, 2001.
The Differences of the Smoking Habit Between Emphysema and Chronic Bronchitis.
Yeung Chul Mun, Sung Keun Yu, Hye Jung Park, Kyeong Cheol Shin, Jin Hong Chung, Kwan Ho Lee, Jung Cheol Lee
Abstract
BACKGROUND
Smoking is the most important and consistent determinant of the development and progression of COPD(Ed Note : Define COPD). The fact that cigarette smokers develop a different type of COPD, chronic bronchitis and emphysema, with different clinical and pathological aspects, suggests that the development of COPD has a relationship with other smoking-associated factors beyoud just a simple smoking history. The aim of this was to analyze the smoking habits and history of patients with COPD and to evaluate the development of different types of COPD accordint to patient's smoking habits. METHOD: To evaluate the differences in the smoking patterens of patients with chronic bronchitis and emphysema, a pulmonary function test was conducted, and the smoking history and patterns was obtained through a smoking history questionnaire by a direct personal interview from 333 male cigarette smokers diagnosed with COPD, in the Yeungnam university medical center(190 patients diagnosed with chronic bronchitis, 143 patients diagnosed with emphysema). RESULT: The patients with emphysema smoked earlier and had a higher smoking history(ie, more pachyears, more total amounts of smoked cigarette, and more deep inhalation and longer duration of plain cigarette exposure) than those with chronic bronchitis. The depth of ingalation was also significantly higher in the emphysema patients after taking into account age, cumulative cagarette consumption and the type of cigarette smoked. CONCLUSION: Emphysema was more associated with the increasing degree of inhalation as assessed by the depth of inhalation. A high alveolar smoke exposure may be a significant risk factor for the development of emphysema.
Key Words: Smoking habit, Depth of smoking, COPD, Emphysema


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