Bronchocoronary collateral circulation in patients with three-vessel coronary artery disease and normal left ventricular function.
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Bronchial Arteries↗
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Results for “Collateral Circulation”
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Collateral circulation through dilated spinal cord arteries in aortic coarctation and extraspinal arteriovenous shunts. An arteriographic study.
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Adolescent↗
[Case of aortitis syndrome with collateral circulation from the coronary artery and right bronchial artery to the lung].
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Adult↗
The effect of coronary collateral circulation on experimental aorto-coronary bypass.
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Animals↗
Collateral circulation in cerebrovascular disease in childhood via rete mirabile and perforating branches of anterior choroidal and posterior cerebral arteries.
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Carotid Artery Diseases↗
[Collateral circulation of the portal vein: evaluation and comparative study using conventional radiography of the esophagus, digestive endoscopy and abdominal echotomography].
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Adult↗
[Effect of collateral circulation on left ventricular function at rest and during exertion in patients who have sustained infarctions of the posterior wall of the myocardium].
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Adult↗
[On the mechanism of collateral circulation in occlusinve disorders of the major vessels of the head in relation to the state of the circle of Willis (angiographic study)].
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Basilar Artery↗
Development of coronary collateral circulation in miniature swine and effects of several drugs.
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Animals↗
[Collateral circulation as a protective factor of the myocardium in patients with chronic coronary insufficiency].
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Cardiac Output↗
[Documentation of hemodynamic parameters in collateral circulation].
By adding phase-differences of serial angiographies in contrasting colours, combination-images are produced, which show the functional way of perfusion without loosing significant morphologic details. Using this technique it is possible to document the direction of blood flow and other hemodynamic parameters and to estimate the average flow rate in a single picture. Finally own results in patients with obliterations and collaterals are given and discussed.
Angiography↗
Collateral circulation to the eye in occlusion of the internal carotid artery; observations on the influence of external carotid flow on retinal artery pressure.
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Carotid Arteries↗
[Collateral circulation following isolated ligation of the anterior descending branch of the left coronary artery associated with irritation of the peripheral segment of the vagus nerve; experimental studies in dogs].
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Animals↗
Collateral circulation in subclavian stenosis or atresia. Angiographic demonstration of retrograde vertebral-subclavian flow in two cases with right aortic arch.
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Aorta↗
Consideration of the therapeutic roles of pharmacologic agents, collateral circulation and saphenous vein bypass in coronary artery disease.
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Adrenergic beta-Antagonists↗
[The collateral circulation of the kidneys as a manifestation of a serious obstruction of the renal artery in patients with renovascular hypertension (author's transl)].
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Adult↗
[Collateral circulation can influence the asymptomatic ST segment depression in stress tests performed after percutaneous coronary angioplasty].
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Aged↗
Arterial supply, venous drainage and collateral circulation in the nose of the anaesthetized dog.
1. In pentobarbitone-anaesthetized dogs, nasal blood flows were measured with electromagnetic flow sensors. 2. The terminal internal maxillary artery was found to supply 22 +/- 2.2 ml min-1 (one side) to the nasal mucosa via the sphenopalatine and major palatine branches; the artery was found to receive multiple supply routes from common carotid, vertebral and subclavian arteries. 3. Nasal mucosa was found to receive collateral flow from contralateral terminal internal maxillary artery (about 5 to 10% of normal flow) and branches of subclavian arteries (about 36% of normal flow). 4. Nasal mucosa was found to have two venous systems: the low-flow (12 +/- 1.0 ml min-1; both sides) and low-pressure (7 +/- 0.6 mmHg) sphenopalatine veins draining the posterior nasal cavity and the high-flow (30 +/- 1.4 ml min-1; both sides) and high-pressure (17 +/- 1.0 mmHg) dorsal nasal veins draining the anterior nasal cavity. 5. PO2 of nasal venous blood was found to range from 62 +/- 2.9 mmHg to 65 +/- 3.4 mmHg. During nitrogen challenge to the nose, the sphenopalatine venous PO2 dropped to 35 +/- 3.0 mmHg while the dorsal nasal venous PO2 remained unchanged, suggesting that the sphenopalatine veins were responsible for draining capillary flow and dorsal nasal veins arteriovenous anastomotic flow as well. 6. Microscopic examination of the vascular casts confirmed that arteriovenous anastomoses were located only in the anterior nasal cavity.
Anesthesia, General↗