The Arteriae Bronchiales and Their Anastomoses With the Arteria Pulmonalis in the Human Lung; A Micro-Anatomical Study

Pulmonary vasoconstriction in asphyxia during cross‐circulation between twin foetal lambs

“…It also may be that the local Po2 (for instance) in the pulmonary tissues is raised more by ventilating the lungs with air, than by perfusing them in the collapsed state with blood from a donor lamb. Verloop (1948) suggested that before birth the bronchial arteries might play a more important part in the supply Of 02 to the lung than the pulmonary arteries. And Barer (1966) Though there may be more and larger broncho-pulmonary arterial anastomoses in the foetal lamb than after birth, they evidently make only a small functional contribution under our experimental conditions.…”

Regional Lung Blood Perfusion Measured With Laser Doppler Method During Body Position Change, Valsalva Manoeuvre and Cardiopulmonary Bypass

“…When the heart is arrested and a pump supports systemic blood perfusion, the bronchial artery remains the only source of blood supply to lungs. It has been established that bronchial arteries have anastomoses with pulmonary arterioles and pulmonary capillary networks (Verloop, 1948, Deffebach et al, 1987, Olchewski et al, 2002. The impact of the bronchial circulation in the regional pulmonary perfusion measured in our observations showed large variations.…”

Bronchopulmonary Anastomoses in Fœetal, Newborn and Adult Animals

“…Von Hayek [1960] described them in human lungs in the pleura and near the bronchi; the latter were coiled and also had connections to the pulmonary veins; their connections to the bronchial arteries were thick-walled ('sperrarterien') and he considered that closure of different parts of the anastomosis could lead to flow from artery to artery, pulmonary artery to pulmonary vein or bronchial artery to pulmonary vein. Verloop [1948] also described precapillary bronchopulmonary anastomoses in the bronchial wall and pleura of normal adult lungs and the lungs of two children (2j and 3 years) but disagreed with von Hayek in points of detail and in finding no arterio-venous anastomoses. Armstrong [1951, 1953] found no precapillary anastomoses in normal adult lungs, although they found many in emphysema.…”

“…A few were found in normal dogs by Cockett and Vass [1950-51]. Rakshit demonstrated connections in adult rats and guinea-pigs and Verloop [1948] also found them in guinea-pigs but not in rats, rabbits and mice. Castigli [1949] failed to find any in adult cattle and guinea-pigs.…”

“…PRECAPILLARY anastomoses between bronchial and pulmonary arteries have been described in human lungs [von Hayek, 1960;Verloop, 1948;Weibel, 1959;Wagenwoort et al, 1964] and in several species of animal [Verloop, 1948;Rakshit, 1949-50;Cockett and Vass, 1950-51]. In some diseases they are large and numerous [for references see Liebow et al, 1959].…”