Intimal Thickening
Intimal Thickening - Related Videos
04:33
Carotid Artery and Jugular Vein Interposition: A Technique to Induce Venous Intimal Hyperplasia in Rabbit Model
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2025
This video demonstrates the interposition of the rabbit carotid artery with the jugular vein to induce venous intimal hyperplasia by subjecting the veins to arterial pressure. This model will help investigate molecular and genetic interventions to attenuate the progression of intimal hyperplasia after revascularization surgeries.
07:02
A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure
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Cited by 3 •
2020
The present protocol aims to experimentally create venous intimal hyperplasia by subjecting veins to arterial blood pressure for developing strategies to attenuate venous intimal hyperplasia following revascularization surgery using vein grafts.
07:05
Mouse Model of Alloimmune-induced Vascular Rejection and Transplant Arteriosclerosis
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Cited by 7 •
2015
We describe a protocol for aortic interposition grafting in mice. The goal of the protocol is to provide a model with which to study pathological processes and therapeutic strategies relevant to alloimmune reactions in arteries and the resultant arterial changes that contribute to organ transplant failure.
04:48
Sudan IV Staining: A Procedure for Staining Lipid-Laden Atherosclerotic Plaques in Harvested Mouse Aortic Arch
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2025
This video demonstrates a procedure using Sudan IV stain for staining the fatty deposits in the harvested mouse aortic arch to visualize the atherosclerotic plaques and determine the extent of atherosclerosis.
08:34
Inducing Myointimal Hyperplasia Versus Atherosclerosis in Mice: An Introduction of Two Valid Models
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Cited by 8 •
2014
This video shows two models of intimal plaque development in murine arteries and emphasizes the differences in myointimal hyperplasia and atherosclerosis.
FAQs
Endothelial injury or changes in blood-flow signals can activate vascular responses within the vessel wall. These signals promote vascular smooth muscle cells to move into the intima and multiply, while also encouraging extracellular matrix accumulation. Together, these changes increase the material within the innermost layer and can contribute to progressive reduction of the vessel lumen.
Two linked processes are central: vascular smooth muscle cell migration and proliferation, and accumulation of extracellular matrix within the intima. Migration relocates smooth muscle cells into the affected layer, whereas proliferation increases their number. Matrix accumulation adds further structural material, producing a combined cellular and extracellular change that may compromise vessel patency.
Intimal thickening is an early feature of atherosclerosis, but it is not limited to that disease context. The same type of vascular remodeling can develop after angioplasty or stent placement, where it contributes to restenosis, and after organ transplantation, where it forms part of transplant vasculopathy. These settings connect a shared structural process with different clinical situations.
Imaging can help clinicians assess vascular disease progression by examining structural changes in the vessel wall and their relationship to vessel patency. This is important because increasing intimal material may narrow the lumen and impair blood flow. Imaging-based assessment also supports research into how vascular changes develop and whether interventions preserve the openness of the vessel.
After angioplasty or stent placement, intimal thickening is relevant because it can participate in restenosis, meaning renewed narrowing of the treated vessel. Studying this response helps researchers investigate why vessel patency may be lost after an intervention. It also supports the development of prevention strategies and therapies intended to preserve the treatment outcome.
In organ transplantation, intimal thickening forms part of transplant vasculopathy, making it a structural feature that researchers can examine when studying vascular complications. Its presence provides a way to connect changes in the vessel wall with potential impairment of patency. Investigating this process contributes to broader efforts to understand vascular disease progression and identify approaches that preserve blood flow.