Anastomotic Restenosis
Anastomotic Restenosis - Related Videos
04:05
Endoscopic Vacuum Therapy for the Treatment of Anastomotic Leakage after Total Gastrectomy with Esophagojejunostomy
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Cited by 1 •
2025
Here, we present a protocol for endoscopic vacuum therapy (EVT) in the management of anastomotic leaks following total gastrectomy with esophagojejunostomy.
04:30
A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
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Cited by 11 •
2013
A model of stent implantation in mouse carotid artery is described. Compared to other similar methods, this procedure is very rapid, simple and accessible, offering the possibility to study in a convenient way the vascular wall reaction to different drug-eluting stents and the molecular mechanisms of restenosis.
05:42
Development of a Murine Model for Femoral Artery Anastomotic Stenosis
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2025
Here we present a murine model for femoral artery anastomosis, offering researchers a valuable animal model to study and simulate vascular anastomotic stenosis. This development is crucial for advancing our understanding of the pathophysiology underlying this condition and facilitating more accurate and effective research into vascular diseases.
09:46
Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model
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Cited by 5 •
2009
This video demonstrates how to use a preclinical inexpensive and reliable model to study pathobiological and pathophysiological processes of in-stent restenosis development. Longitudinal in vivo monitoring using OCT (Optical Coherence Tomography) and analysis of OCT images are also demonstrated.
06:42
A Murine Model of Arterial Restenosis: Technical Aspects of Femoral Wire Injury
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Cited by 17 •
2015
The mouse femoral artery wire injury model of restenosis is technically challenging. In this protocol we show the key technical details essential for successfully performing wire injury to induce consistent neointima for studies of restenosis.
FAQs
After surgical reconstruction, vascular injury can trigger local inflammation. These signals promote smooth-muscle cells to migrate and encourage extracellular-matrix deposition, building neointimal tissue within the repaired segment. As this tissue enlarges and scar forms, the lumen progressively narrows, potentially limiting passage through the reconstructed area.
Neointimal hyperplasia is the tissue response that converts an initial vascular injury into progressive narrowing. Smooth-muscle migration adds cells to the inner lining, while extracellular-matrix deposition adds structural material around them. Together, these changes thicken the neointima, and later scar formation can further reduce the available lumen after reconstruction.
The clinical effect depends on how severely the repaired lumen has narrowed and where the anastomosis is located. A smaller passage can impair transit through the reconstructed segment, while the anatomical site influences the consequences of that impairment. Clinicians therefore consider symptoms and functional impact rather than judging the finding by its presence alone.
Postoperative surveillance combines clinical assessment with targeted testing. Symptoms and physical examination can suggest impaired passage, while imaging can show the repaired segment directly and functional testing can assess its effect on performance. Using these approaches helps clinicians recognize recurrent narrowing and determine whether further evaluation or treatment is warranted.
Treatment is tailored to the site and severity of the narrowing. Depending on those findings, management may include controlling relevant risk factors, enlarging the narrowed segment with endovascular dilation, placing a stent, or performing surgical revision. This individualized approach links the intervention to the anatomical problem and its clinical impact.
Anastomotic restenosis is an important outcome to monitor after reconstructive procedures, particularly when a blood vessel forms the connection. Recognizing recurrent narrowing supports timely postoperative assessment and guides decisions about risk-factor control, endovascular treatment, or surgical revision. Its evaluation therefore connects surveillance findings with longer-term success of cardiovascular and reconstructive care.