Aortic Venous Anastomosis
Aortic Venous Anastomosis - Related Videos
08:27
Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.
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Cited by 13 •
2015
We describe a method for creating a reliable model of cerebral venous hypertension in the adult mouse. This model has been widely described and tested in the rat. This new counterpart in the mice opens the possibility of using genetic modified animals and thereby broadens the applications of the model.
12:17
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Cited by 4 •
2017
Full-root aortic valve replacement by stentless aortic xenograft is a viable option in patients with small aortic roots. We describe, a technique for the full-root implantation of stentless aortic xenografts, with emphasis on the management of the proximal suture line and coronary anastomoses, and discuss its limitations and alternative options.
07:34
Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Cited by 11 •
2011
An optimized technique for the microsurgical creation of arterial bifurcation aneurysms mimicking bifurcation human cerebral aneurysms is described. A venous pouch is sutured into an artificially created true bifurcation of both common carotid arteries. Facilitated microsurgical techniques and aggressive postoperative anticoagulation and analgesia lead to minimized morbidity rates and high aneurysm patency rates.
09:12
Aortic Ring Assay
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Cited by 42 •
2009
Angiogenesis, the sprouting of blood vessels from pre-existing vasculature, is associated with both natural and pathological processes. Here we demonstrate an aortic ring assay that allows angiogenic potentiators and inhibitors to be directly added to aortic rings in culture. Sprouting and neovessel outgrowth can be determined by inspecting the aortic rings over a period of 6-12 days.
08:15
Cervical Heterotopic Mouse Heart Transplantation using End-to-side Anastomosis Technique to Study Transplant Immunology
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2026
This protocol presents a simplified, end-to-side suture anastomosis technique for murine cervical heart transplantation, providing a robust and reproducible model for studying transplant immunology.
FAQs
The key driving force is the steep pressure gradient between the aorta and the venous channel. Because aortic blood is under high pressure, flow can pass through the connection toward the lower-pressure venous side. This redirects part of the circulation away from its usual route and helps explain why venous flow may increase when such a connection is present.
Bypassing the capillary bed changes the route and distribution of circulating blood. Arterial blood reaches the venous system without passing through the usual exchange network, producing a direct arterial-to-venous shunt. This altered pathway can increase venous flow and modify cardiovascular function, making capillary bypass an important mechanism in vascular abnormalities.
Normal systemic circulation carries arterial blood through smaller vessels and capillaries before it returns through veins. An aortic venous anastomosis creates a shortcut around that intervening capillary pathway. The distinction is functionally important because the connection preserves a direct high-pressure route into the venous system rather than following the usual vascular sequence.
They provide an anatomical example of how an arteriovenous shunt can redirect blood from an artery into a vein. The resulting change in flow helps connect vascular structure with cardiovascular effects. Studying this relationship allows biology and medicine to interpret how an abnormal connection may influence circulation rather than viewing the vessel arrangement in isolation.
Diagnostic imaging can help identify the location and pathway of the abnormal vascular connection and support assessment of its circulatory effects. This information is useful when clinicians investigate congenital or acquired vascular abnormalities. By showing the relevant anatomy, imaging also contributes to evaluation of altered blood flow and to planning an appropriate intervention.
Aortic venous anastomoses connect anatomical structure with changes in cardiovascular function, making them useful for studying vascular disease. They may be considered in congenital abnormalities, acquired circulatory disorders, diagnostic assessment, and surgical planning. Examining these connections helps researchers and clinicians relate an unusual vessel pathway to its effects on arterial and venous circulation.