Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Blood Flow01:29

Blood Flow

Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Complex hybrid management of severe aortic stenosis and aortic arch disease in a nonagenarian: a case report.

European heart journal. Case reports·2026
Same author

Propensity-matched analysis of the impact of saphenous vein graft external stenting on clinical outcomes in coronary bypass surgery: The RESTART study.

JTCVS open·2025
Same author

Demonstration of a Mechanical External Biventricular Assist Device for Resuscitative Thoracotomy.

Cardiovascular engineering and technology·2025
Same author

Direct Cardiac Compression Device for Short-Term Mechanical Circulatory Support.

ASAIO journal (American Society for Artificial Internal Organs : 1992)·2025
Same author

Oncological outcomes of the first pulmonary artery trunk transplantation for thymic carcinoma: a reflective analysis of surgical radicality.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery·2025
Same author

Ascending aortic aneurysm and dissection risk: focus on aortic height index.

Interdisciplinary cardiovascular and thoracic surgery·2025

Related Experiment Video

Updated: Jun 3, 2026

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

Aortic flow patterns resulting from right axillary artery cannulation.

Stefanos Demertzis1, Hendrik Tevaearai, Thierry Carrel

  • 1Department of Cardiovascular Surgery, Bern University Hospital, Inselspital, 3010 Bern, Switzerland. sdemertzis@dkf.unibe.ch

Interactive Cardiovascular and Thoracic Surgery
|March 15, 2011
PubMed
Summary
This summary is machine-generated.

Right axillary artery cannulation significantly alters aortic blood flow patterns. Increased flow via the right axillary artery (RAA) leads to retrograde flow in supra-aortic branches, potentially impacting cerebral and vertebral arteries.

More Related Videos

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
03:40

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting

Published on: January 17, 2025

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
09:24

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

Published on: October 6, 2022

Related Experiment Videos

Last Updated: Jun 3, 2026

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
03:40

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting

Published on: January 17, 2025

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
09:24

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

Published on: October 6, 2022

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Fluid Dynamics

Background:

  • Right axillary artery (RAA) cannulation is a growing technique in cardiac surgery.
  • Understanding the resultant aortic flow dynamics is crucial but not well-established.

Purpose of the Study:

  • To visualize and analyze the hemodynamic effects of RAA cannulation in the aorta.
  • To investigate how varying flow contributions from RAA affect aortic flow patterns.

Main Methods:

  • A mock circulatory system using a compliant, transparent aortic model was employed.
  • Flow visualization was achieved using colorants, with quantitative 2D image processing for analysis.
  • Different flow distributions between a pneumatic ventricular assist device (PVAD) and a rotary blood pump (RBP) via RAA were tested.

Main Results:

  • RAA flow divided into retrograde and antegrade components, with the ratio increasing with RAA flow.
  • At maximal RAA support (0% PVAD:100% RBP), flow in the ascending aorta became stagnant.
  • Distinct flow patterns emerged in supra-aortic branches, including retrograde flow in right carotid and vertebral arteries at maximal RAA support.

Conclusions:

  • RAA cannulation profoundly alters aortic hemodynamics, creating retrograde flow in specific branches.
  • These findings highlight potential risks and necessitate further investigation into the clinical implications of RAA cannulation.