The “Effective” Pulmonary Collateral Blood Flow in Man1

Perfusion of one lung solely by systemic arterial blood 0. B. F 34 1.60 0 Status 11 years post ligation of left pulmonary artery A. B. M 71 1.65 + + Status 6 months post occlusion of left pulmonary ar- tery by bronchogenic carcinoma Perfusion of one lung by both mixed venous and systemic arterial blood J. S. M 42 1.69 + + Bronchogenic carcinoma of right upper lobe J. Mc. M 55 1.95 ++ Bronchogenic carcinoma of left upper lobe P. C. M 54 2.13 0 Bronchogenic carcinoma of right lower lobe J. C. M 54 1.71 0 Bronchiectatic and cystic changes in right middle and lower lobes, 10 years after Friedlander's pneumonia T. C. M 53 1.93 + + Bronchiectasis of right lower lobe J. G. M 27 1.57 ++++ Idiopathic clubbing of digits recognized in early childhood Perfusion of both lungs solely by systemic arterial blood J. W. F 24 1.55 + + + + Tetralogy of Fallot; atresia of pulmonary artery