Thoracic Aortic Balloon Catheter
Thoracic Aortic Balloon Catheter - Related Videos
02:06
Inducing Brain Death in a Mouse Model Using a Balloon Catheter
0 Views •
2025
This video demonstrates the procedure for inducing brain death in a mouse model by increasing controlled intracranial pressure through a balloon catheter, mimicking natural brain death.
06:13
The Intra-Aortic Balloon Pump
0 Views •
Cited by 8 •
2021
We describe the steps for the percutaneous implantation of the intra-aortic balloon pump (IABP), a mechanical circulatory support device. It acts by counterpulsation, inflating at the onset of diastole, augmenting diastolic aortic pressure and improving coronary blood flow and systemic perfusion, and deflating before systole, reducing left ventricular afterload.
08:42
A Rat Carotid Balloon Injury Model to Test Anti-vascular Remodeling Therapeutics
0 Views •
Cited by 8 •
2016
The rat carotid balloon injury model described below allows researchers to evaluate drugs or therapeutics that negate injury-induced arterial hyperplasia. Detailed pre-surgical preparation, surgical procedure, and post-surgical cares of the animal are described.
08:10
Reproducible Motor Deficit Following Aortic Occlusion in a Rat Model Of Spinal Cord Ischemia
0 Views •
Cited by 4 •
2017
This study demonstrates the technique to make a minimally invasive and easily reproducible model of spinal cord ischemia in rats. Various degrees of hind limb motor deficit can be produced by controlling the aortic occlusion time.
08:51
A New Murine Model of Endovascular Aortic Aneurysm Repair
0 Views •
Cited by 3 •
2013
Histological and biochemical modifications after aneurysm endograft exclusion are still unclear. We describe a new model of endograft implantation on a murine aneurysm. Through thrombus analysis with and without persistant circulating blood stream interface, and new endovascular biomaterials evaluation, this model will help to better understand endovascular aneurysm exclusion pathobiology.
FAQs
Inflation narrows or blocks the thoracic aortic lumen, increasing pressure on the proximal side of the balloon while reducing blood flow beyond it. This redistribution can support perfusion to structures upstream from the occlusion and limit downstream flow. Deflation reverses the obstruction, allowing circulation to resume through the previously restricted aortic segment.
Partial and complete inflation produce different levels of aortic obstruction. Partial inflation provides flow control while preserving some passage through the vessel, whereas complete inflation creates more pronounced occlusion and a stronger upstream pressure effect. The choice affects both hemodynamic support and the extent of downstream perfusion limitation, making controlled inflation important.
The selected aortic position determines which regions receive increased proximal pressure and which regions experience reduced downstream perfusion. Positioning therefore links the device’s mechanical action to its clinical purpose, such as supporting proximal circulation or controlling hemorrhage. An unsuitable location could fail to provide the intended flow pattern or increase the risk of ischemic consequences.
The main concerns arise from intentional restriction of aortic flow and from the device’s presence within the vessel. Reduced downstream perfusion can produce ischemia, while catheter use may contribute to vascular injury. Clinicians therefore monitor hemodynamic effects and signs of impaired tissue perfusion, balancing temporary control against complications during the intervention.
A clinician selects an appropriate thoracic aortic site, positions the catheter, and inflates the balloon to the degree needed for temporary flow control. During inflation, the team monitors pressure and perfusion effects, along with possible ischemia or vascular injury. Deflation then restores aortic flow when the period of hemodynamic control is no longer required.
This device may be used in selected trauma and cardiovascular procedures when temporary control of thoracic aortic flow is needed. Its potential roles include helping manage life-threatening hemorrhage and providing short-term hemodynamic control. Use requires careful selection because the same occlusion that supports proximal perfusion can also limit downstream blood flow.
Assessment focuses on whether the intended proximal pressure support and downstream flow limitation are occurring without unacceptable complications. Clinicians evaluate hemodynamic control, evidence of hemorrhage management, and signs of ischemia or vascular injury. These observations help determine whether the balloon should remain inflated, be adjusted, or be deflated to restore circulation.