Intra-aortic Balloon Pump
Intra-aortic Balloon Pump - Related Videos
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.
07:21
Subcutaneous Angiotensin II Infusion using Osmotic Pumps Induces Aortic Aneurysms in Mice
0 Views •
Cited by 84 •
2015
Subcutaneous implantation of osmotic pumps provides a convenient approach for prolonged and consistent delivery of compounds. This approach has been used extensively to study both abdominal and thoracic aortic aneurysms in mice.
07:10
A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury
0 Views •
Cited by 2 •
2023
An appropriate animal model is needed to understand the pathologic mechanisms underlying aortic valve stenosis (AVS) and to evaluate the efficacy of therapeutic interventions. The present protocol describes a new procedure for developing the AVS rabbit model via a direct balloon injury in vivo.
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.
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
Timing links balloon action to the cardiac cycle. Inflation during diastole augments pressure in the aorta when coronary perfusion occurs, while rapid deflation immediately before systole lowers the resistance against which the left ventricle ejects blood. This coordinated sequence supports myocardial perfusion while reducing ventricular workload and oxygen demand.
The descending thoracic aorta provides the stated position for the catheter balloon while allowing its inflation to augment aortic pressure and support coronary blood flow. Its location also permits rapid deflation before ventricular contraction, helping reduce left ventricular afterload. Thus, placement supports both major physiologic actions without requiring direct placement inside the heart.
Rapid balloon deflation just before systole lowers left ventricular afterload, meaning the ventricle faces less resistance during ejection. The heart can therefore perform its pumping work with reduced mechanical burden. When combined with improved coronary perfusion during diastole, this supports the balance between oxygen delivery to the myocardium and its workload.
Support may be considered for selected patients with cardiogenic shock, complications of acute myocardial infarction, or those undergoing high-risk cardiac procedures. The device is temporary rather than a permanent treatment, so its role is to help stabilize circulation or support the patient during a particularly vulnerable clinical period.
Safe management depends on understanding balloon timing, the distinction between diastolic inflation and pre-systolic deflation, and their effects on coronary perfusion and left ventricular workload. Clinicians must also recognize that potential complications are part of device care. These principles help connect the device’s operation with patient stabilization and safer clinical decisions.
During a high-risk cardiac procedure, temporary assistance can provide hemodynamic support when the heart may struggle to maintain adequate function. By augmenting coronary perfusion and reducing left ventricular workload, the device may help stabilize selected patients during the procedure. Its use remains clinically selective and depends on the patient’s condition and procedural risk.