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KMID : 0371319680100050301
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Journal of the Korean Surgical Society
1968 Volume.10 No. 5 p.301 ~ p.306
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Studies on Ventilatory Changes after Thoracic Operations in Pulmonary and Pleural Disease
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鄭鎭澤/Chung, Jin Taek
李賢雨/宋泰鎬/宋世勳/Lee, Hyun Woo/Song, Tae Ho/Song, She Hoon
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Abstract
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The vital capacity, the maximum voluntary ventilatory volumes (MVV) and the timed vital capacity were measured in patients of pleural and pulmonary diseases before and after surgery such as decortication(10cases), right upper lobectomy(17 cases), and left upper lobectomy(7 cases), and the following results were obtained.
1. The lowest vital capacity was 67.4% of the predicted value in patients with the pleural dissese before surgery, while it increased to 82.3% after pleural decortication. The vital capacity of the patients with pulmonary tuberculesis decreased significantly after the right or the left upper lobectomy. The group of left upper lobectomy showed the 10 west vital capacity.
2. The MVVV showed the same tendency as the change of vital capacity.
3. The air velocity index (AVI) increased after the upper lobectomy while decreased after decortications, correlating the vital capecity with the MVVV, it was ovserved that the changes in AVI were not only dependent on the air way resistances but also on the compliances of the lung and chest wall.
4. It is useful to determine AVI in differentiating the lung volume factor from the air-way resistances factor while it is important to determine the one second VC in differentiating the air-way resistance factor from the lung or chest wall compliance factor.
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