The collateral circulation to the lungs

Cockett, F. B.; Vass, C. C. N.

doi:10.1002/bjs.18003814915

Cited by 20 publications

(5 citation statements)

References 10 publications

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“…We believe that they are dilatations of small channels which are present in normal lung. The existence of these minute communications in normal lung has been demonstrated by ourselves (Cockett and Vass, 1950), by Verloop (1948), and by Marchand et al (1950). If the existence of these channels is granted, it would seem unnecessary to postulate new connexions developing.…”

Section: Discussionmentioning

confidence: 89%

A Comparison of the Role of the Bronchial Arteries in Bronchiectasis and in Experimental Ligation of the Pulmonary Artery

Cockett¹,

Vass²

1951

Thorax

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The hypertrophy of the bronchial arteries in bronchiectasis has been known to surgeons ever since resection of the lung had been practised for this condition.Histologists have noticed and commented upon the extreme vascularity of the tissue round the bronchiectatic sacs, and have tried to explain this as part of the general inflammatory change. The physiological importance and significance of this bronchial artery hypertrophy have only recently been appreciated. By means of perfusion experiments, followed by the preparation of complete vascular casts in neoprene, it has been possible to demonstrate accurately the anatomical extent of this hypertrophy, and to show that an extensive anastomosis develops between the bronchial arteries and the pulmonary arteries in these lungs. Moreover, the vascular pathology is comparable to that which occurs in the experimental dog after ligation of the pulmonary artery. This is a surprising observation, as the stimulus to the development of the bronchial collateral circulation appears to be so dissimilar in the two cases.EXPERIMENTAL WORKThe original reason for beginning the experimental work was to show that if the pulmonary artery to a lung were tied, a collateral blood supply could be directed into it by creating adhesions between it and the chest wall. It was found that branches from the intercostals entered the adhesions and anastomosed with the hypertrophied subpleural capillary network, which was supplied mainly by the enlarged bronchial arterial system within the lung. It was while studying this collateral circulation that our attention was drawn to the hypertrophy of these bronchial vessels, and to the fact that they ramified throughout the lung as large tortuous channels almost as big as the original pulmonary arteries. Moreover, it was evident that communications had developed between these enlarged bronchial arteries and the pulmonary arteries, which were precapillary in situation. No such precapillary anastomosis between bronchial arteries and pulmonary veins could be on 10 May 2018 by guest. Protected by copyright.

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Section: Discussionmentioning

confidence: 89%

A Comparison of the Role of the Bronchial Arteries in Bronchiectasis and in Experimental Ligation of the Pulmonary Artery

Cockett¹,

Vass²

1951

Thorax

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“…1958) Anatomists have long been aware that an extensive pulmonary collateral circulation is a common feature of various types of heart and lung disease (1)(2)(3)(4)(5). In recent years, as the result of refinements in methods for the anatomic display of pulmonary vessels, they have been able to gain further insight into the nature and extent of the collateral circulation and to establish that many of the systemic arterial branches join the pulmonary vascular tree proximal to the pulmonary capillary bed (6)(7)(8)(9)(10)(11).…”

mentioning

confidence: 99%

The “Effective” Pulmonary Collateral Blood Flow in Man1

Fishman¹,

Turino²,

Brandfonbrener³

et al. 1958

J. Clin. Invest.

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“…This is in accordance with a physiological canine study, where the collateral systemic flow could not be ignored (Baile et al 1992). Although less common, it should be mentioned that pleural adhesions, mostly surgicallyinduced, may provide a fourth systemic source of flow to the lungs (Cockett & Vass, 1950 ;Remy-Jardin & Remy, 1990).…”

Section: mentioning

confidence: 99%

The porcine bronchial artery. Anastomoses with oesophageal, coronary and intercostal arteries

et al. 1999

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Information abut the existence and anatomy of arterial anastomoses with the porcine bronchial artery is lacking in the literature. Prior to basic physiological investigations in a porcine model related to lung transplantation with bronchial artery revascularisation, this study was designed to examine the anatomy of systemic arterial anastomoses with the bronchial artery system. Twenty pigs were studied in 3 groups. In 2 groups the heart-lung block was removed with all mediastinal structures. One group served for investigation of coronary-bronchial artery anastomoses and one for investigation of oesophageal-bronchial artery anastomoses. The systemic arteries to be examined were cannulated. The inflated heart-lung block was examined macroscopically with Evans blue, and radiographically after contrast injection. In the 3rd group intercostobronchial artery anastomoses were studied radiographically with the heart-lung block in situ. Coronary-bronchial artery anastomoses were demonstrated in 3 of the 5 pigs with an aortic ' pouch ' technique, but contrast was very limited in 2 of these 3. Oesophageal arterial anastomoses with bronchial arterial branches and\or the pulmonary veins were demonstrated in 6 of the 7 pigs and more markedly than the coronary-bronchial anastomoses. Intercostobronchial artery anastomoses could not be demonstrated angiographically. It was concluded that the existence of coronary-bronchial and oesophageal-bronchial artery anastomoses in the pig appear to establish an arterial net between the base of the heart and the distal oesophagus. The resemblance to human oesophageal-bronchial artery anastomoses supports use of a porcine model for experimental studies.

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The collateral circulation to the lungs

Cited by 20 publications

References 10 publications

A Comparison of the Role of the Bronchial Arteries in Bronchiectasis and in Experimental Ligation of the Pulmonary Artery

A Comparison of the Role of the Bronchial Arteries in Bronchiectasis and in Experimental Ligation of the Pulmonary Artery

The “Effective” Pulmonary Collateral Blood Flow in Man1

The porcine bronchial artery. Anastomoses with oesophageal, coronary and intercostal arteries

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