左側肺動脈発育不全の一症例

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Thirty five year old man was admitted to Kobe Medical College Hospital on March 6th, 1961, because of the abnormally clear lung field of the left lobe shown in chest x-ray film. The patient presented no complaints. The family and past history contributory to the morbid state of the lung were negative. His respiration was costabdominal type, 16 per minute. No cardiac murmur was heard nor accentuation of the second pulmonary sound. The respiratory sounds were vesicular,, but scarcely audible in the left field of the lung. As referred, chest x-ray film was extremely ,clear in the left lung field with just a few faint shadows in the upper lung field but the left hilar shadow was scarcely visible. The brbnchography revealed cytic dilatation in several bronchi in the left lower field. The pulmonary function test disclosed the normal vital capacity with obstructive impairment, including a slight increase in residual volume and slight reduction in the total lung capacity. Reduction in oxygen uptake in left lung lobe was most noticeable. It is due possibly to the reduced blood flow of the left pulmonary artery. The right heart catheterization failed to reveal any abnormal pulmonary circulation, the catheter however. could not pass through the left pulmonary artery due to its narrowing which was demonstrated by the angiocardiography. Narrowing of the pulmonary artery was found just distal to the bifurcation of the stem of the main pulmonary artery and the peripheral pulmonary arteries distal to the narrowing appeared slender, indicating an unilateral malformation of the pulmonary artery system.
社団法人日本循環器学会の論文
1965-04-20

左側肺動脈発育不全の一症例

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