Vaso Obliteration
Vaso Obliteration - Related Videos
11:49
Surgical Induction of Endolymphatic Hydrops by Obliteration of the Endolymphatic Duct
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This video shows how to surgically obstruct the guinea pig's endolymphatic duct to produce endolymphatic hydrops.
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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
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Description of the surgical obliteration of a cerebral aneurysm utilizing an ultrasonic flow probe to assess arterial flow prior to and after aneurysm clip placement.
09:10
Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease
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This video shows and compares two experimental models to study the development of obliterative airway disease (OAD) in mice, the heterotopic and orthotopic tracheal transplantation model.
06:55
Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging
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Vital-dye enhanced fluorescence imaging (VFI) is a novel in vivo technique that combines high-resolution epithelial imaging with exogenous topical fluorescent contrast to highlight glandular morphology and delineate neoplasia (high grade dysplasia and cancer) in the distal esophagus.
03:04
Induction of Elevated Intraocular Pressure in a Rat Model
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2025
Source: Lani-Louzada, R., et al., Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents. J. Vis. Exp. (2022)This video demonstrates the induction and monitoring of elevated intraocular pressure (IOP) in a rat model. The process involves cauterizing the limbal blood vessels, resulting in vessel occlusion and elevated IOP. The rat is then allowed to recover, and IOP is regularly monitored in both the experimental and control eyes for comparison.
FAQs
A key initiating sequence is endothelial damage followed by platelet activation and thrombosis. Injury to the endothelial lining can make the vessel surface promote clot formation, allowing a thrombus to develop within the channel. As the thrombotic material obstructs flow, the event can progress from an acute vascular response to lasting loss of circulation through the affected vessel.
Not every case reflects disease or injury. During some developmental processes, vascular remodeling normally removes temporary vessels, producing vaso obliteration as part of organized tissue change. This contrasts with damage-associated closure, in which endothelial injury, thrombosis, inflammation, fibrosis, or cellular proliferation disrupts an established vessel. The distinction helps researchers separate normal developmental remodeling from pathological vascular change.
Inflammation, fibrosis, and cellular proliferation can progressively narrow and seal a vessel through a different route from an immediate thrombotic event. In this setting, inflammatory activity and tissue-forming responses replace or seal the vascular channel over time. Recognizing this slower mechanism matters because the resulting perfusion defect may reflect cumulative structural remodeling rather than a single obstructive episode.
The main physiological consequence is reduced local blood flow and tissue perfusion. When the affected region receives less circulation, ischemia may develop. Studying where and how closure occurs helps connect a vascular event with ischemia and disease progression, even when the initiating mechanism differs between cases. This relationship makes local perfusion an important outcome when interpreting vascular changes.
It provides a way to examine how circulation is reshaped when vessels disappear, whether through developmental remodeling or disease-associated change. This perspective is relevant to understanding disease progression and to interpreting altered tissue perfusion. In biology, the topic connects vessel-level structural changes with broader questions about how tissues maintain or lose their blood supply.
Vaso obliteration informs research on wound healing, congenital vascular abnormalities, and interventions that alter blood flow. In wound-healing studies, it can help frame how vascular changes accompany tissue repair. In congenital conditions, it provides context for abnormal vessel development. It also supports investigation of treatments intended either to restore circulation or to restrict flow deliberately.