Indications and effects of volume reduction surgery 3) indications evaluated by pulmonary function

H. Kurosawa, W. Hida, Y. Kikuchi, S. Okabe, D. Wu, M. Oikawa, Yoshimochi Kurokawa, K. Shirato

研究成果: Article査読

抄録

To evaluate indications for lung volume reduction surgery (LVRS), pulmonary function tests before and 3 months after LVRS were analyzed in 41 patients. Treadmill exercise tests were performed in the 29 patients, and dyspnea was scored with the Borg scale in 22 of these patients. The mean FEV1 increased by 44% after LVRS. Lung volumes were reduced in each subdivision. A significant correlation was found between relief of dyspnea (ΔBorg) and volume reduction, but not between ΔBorg and improvement in FEV1. Residual volume evaluated before the surgery correlated significantly with ΔBorg. These results suggest that alleviation of lung hyperinflation is the most important factor for the relief of dyspnea, and that evaluation of lung volume is necessary to determine if LVRS is indicated a pre-operative residual volume of 250% of the predicted value or more seemed to be an optimal standard for selecting candidates.

本文言語English
ページ(範囲)96-99
ページ数4
ジャーナルJapanese Journal of Thoracic Diseases
35
SUPPL.
出版ステータスPublished - 1997 12 1

ASJC Scopus subject areas

  • 呼吸器内科

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