EXPERIMENTAL STUDIES ON OPERATIVE INTERRUPTION OF THE BRONCHUS; ESPECIALLY ON CASES COMBINED WITH LIGATION OF THE PULMONARY VESSELS.

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  • <原著>気管支遮断術の基礎的研究 : とくに血管遮断を併せ行なう場合を中心として
  • 気管支遮断術の基礎的研究 とくに血管遮断を併せ行なう場合を中心として
  • キカンシ シャダンジュツ ノ キソテキ ケンキュウ トクニ ケッカン シャダン オ アワセ オコナウ バアイ オ チュウシン ト シテ

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Abstract

Operative interruption of the bronchus seems to be worthy of review as therapy for advanced pulmonary tuberculosis. A number of papers on atelectasis by obstruction of the bronchus have been published, but little has been known of cases receiving both interruption of the bronchus and ligation of the pulmonary vessels. The author studied the morphologic changes of the lung tissue of dogs treated by bronchial interruption and vascular ligation, and should like to conclude as follows : 1) When the bronchus is interrupted, the regional pulmonary lobe becomes atelectatic. Variable histologic patterns, such as simple, inflammatory, edematous and mixed types of atelectasis, can be observed within a month after interruption. In dogs three months after operation, narrowing of branches of the pulmonary artery and thickning of the intima are observed. 2) No necrosis results in the lobe whose bronchus and bronchial artery are interrupted. 3) The lobe becomes necrotic only when the bronchus, the bronchial artery and the pulmonary artery are interrupted. 4) When the bronchus and the branch of the pulmonary vein are interrupted simultaneously, congestion of the lobe is observed. 5) In the lobe with pleural adhesions, bronchial and vascular interuption at the hilum results in no necrosis of the regional lung tissue. 6) From these findings, on the clinical use of operative interruption of the bronchus, it is desirable to maintain the blood supply from bronchial and pulmonary vessels as much as possible.

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