Vein Pouch
Vein Pouch - Related Videos
03:47
Developing an Experimental Aneurysm Model in a Rabbit Using an Elastase-Treated Vessel Pouch
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2025
Source: Wanderer, S., et al. Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit. J. Vis. Exp. (2020)This video demonstrates the creation of an experimental aneurysm model in a rabbit using an elastase-treated vessel pouch. After excising a segment of the right CCA, the pouch is treated with elastase, then sutured to the left CCA to restore blood flow. The resulting stress on the weakened pouch walls induces aneurysm formation.
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.
03:41
An Air Pouch Mouse Model for Lipopolysaccharide-Induced Inflammatory Exudate Collection
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2025
This video describes the procedure for generating an air pouch in the subcutaneous tissue of mice and collecting inflammatory exudates in response to lipopolysaccharide administration in vivo. This video also covers the analysis of the neutrophil infiltration in the air pouch.
01:17
Veins
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2024
Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood. Structure of Veins: The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
06:00
Laparoscopic Anatomic S7+S8d Resection Preserving Inferior Right Hepatic Vein and S6 with Right Hepatic Vein Transection
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2025
We present a laparoscopic technique for anatomic S7+S8d resection with right hepatic vein transection, preserving the inferior right hepatic vein and segment S6. Relying on meticulous anatomical landmarks without intraoperative ultrasound, this approach offers a precise and parenchyma-sparing option for dorsally located right-liver tumors, particularly in settings with limited advanced navigation resources.
FAQs
The arterial connection exposes the venous segment to arterial pressure and blood flow rather than its original venous conditions. These forces expand the pouch and create localized changes in wall stress and circulation. Studying this altered environment helps researchers examine how vascular tissue responds to conditions associated with remodeling, thrombosis, and aneurysm-like changes.
Pouch expansion produces localized disturbances in wall stress and blood circulation, which are central features of the model’s experimental value. These changes provide measurable conditions for investigating vascular remodeling and clot formation, while also allowing researchers to study aneurysm-like alterations in a controlled vascular construct rather than relying only on naturally occurring disease.
The model reproduces selected features of vascular disease by combining a venous tissue segment with arterial pressure and flow. This creates a controlled setting in which researchers can study specific behaviors, such as remodeling or thrombosis. Because it approximates selected disease conditions, its findings support investigation without representing every aspect of human vascular pathology.
A surgeon creates the construct from a segment of vein and attaches that segment to an artery. Once connected, arterial pressure and blood flow act on the venous wall, causing the pouch to expand and generating the localized mechanical and circulatory disturbances under investigation. The resulting preparation serves as the platform for vascular studies.
Researchers can examine how arterial pressure, blood flow, pouch expansion, wall stress, and local circulatory disturbances relate to vascular outcomes. These conditions make it possible to investigate remodeling, thrombosis, and aneurysm-like changes within one controlled preparation. The model therefore links altered mechanical conditions with observable vascular behavior relevant to medicine.
The model is useful when investigators need to assess endovascular devices, surgical techniques, or treatments under vascular conditions that approximate selected features of human disease. Its controlled setting allows intervention-related effects to be studied alongside changes in vascular structure and circulation, supporting medical research on procedures and therapies involving abnormal vessel behavior.