Aortic Banding
Aortic Banding - Related Videos
04:38
Transverse Aortic Arch Banding in Mouse Model: A Minimally Invasive Technique in Mice for Induction of High Pressure in the Left Ventricle
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2025
In this video, we demonstrate an experimental protocol for minimally invasive transverse aortic constriction in mice to examine pressure overload-induced heart failure.
09:24
O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
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Cited by 1 •
2022
The present protocol describes a new technique of aortic banding in mice to induce pressure overload cardiac hypertrophy. For banding, a rubber ring with a fixed inner diameter is used. This new technique promises less variance and more reproducible data for future experiments.
02:35
Band Theory
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2020
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands. The energy difference between these bands is known as the band gap. Conductor, Semiconductor,...
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.
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.
FAQs
The constricted aorta raises the resistance encountered during ventricular ejection, increasing afterload and arterial pressure. To maintain pumping performance under this added burden, the left ventricle must generate greater force. This mechanical challenge provides a controlled way to examine how cardiac tissue responds when pressure demands remain persistently higher than normal.
Pressure overload initially stimulates structural adaptation, including cardiac hypertrophy, which can help the ventricle meet the increased workload. With progression, however, the response may become maladaptive and advance toward ventricular dysfunction and heart failure. This transition makes the model useful for distinguishing compensatory remodeling from later loss of cardiac performance.
The model supports analysis of structural and molecular remodeling alongside cellular responses to pressure stress. Researchers can examine genetic pathways associated with hypertrophy and dysfunction, then relate those changes to biomarkers and cardiac outcomes. Studying these levels together helps connect altered mechanical load with the biological processes that shape disease progression.
A study can follow the sequence from an initial pressure-overload response through compensated hypertrophy and, in some settings, toward ventricular dysfunction and heart failure. Comparing findings across these stages helps identify changes associated with adaptation versus deterioration. This temporal perspective is important for locating biomarkers or molecular pathways that may change before severe dysfunction appears.
Researchers use the pressure-overload model to test whether an intervention alters cardiac remodeling, cellular responses, genetic pathways, biomarkers, or progression toward ventricular dysfunction. Its value lies in linking a defined cardiovascular stress to measurable biological outcomes. Such comparisons can help determine whether a candidate therapy influences adaptation or limits features associated with pressure-overload heart disease.
Aortic Banding creates an experimental setting in which increased pumping resistance drives identifiable cardiac responses. In cardiovascular biology, that relationship allows investigators to study how mechanical stress becomes structural and molecular remodeling, including hypertrophy, and how those changes relate to heart failure. The model therefore connects basic biological mechanisms with the study of pressure-overload disease.