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

Venules01:08

Venules

Venules are an integral part of the microscopic circulatory system that bridges the gap between capillaries and veins.
Venules are much smaller in diameter compared to their larger counterparts, the veins. They are generally 8 to 100 micrometers in diameter, significantly smaller than the size of veins. The walls of venules are thin, consisting of the endothelium, a thin layer of connective tissue, and occasionally a few smooth muscle cells. This structural simplicity is a stark contrast...
Veins01:17

Veins

Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood.
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
Vebe Test01:22

Vebe Test

The Vebe test is a method used to measure the workability of concrete, particularly effective for dry concrete mixes. This test employs a specific apparatus that includes a cylindrical chamber, a standard slump cone, and a transparent disc-shaped rider, all mounted on a vibrating table. The cylindrical chamber has dimensions of nine and a half inches in diameter and eight inches in height.
To conduct the test, concrete is placed into the slump cone. The concrete is filled in layers and...
Volatilization01:10

Volatilization

Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
Ventilatory Modes01:14

Ventilatory Modes

Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...

You might also read

Related Articles

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

Sort by
Same author

Early vs. Late Endovascular Extension Following Frozen Elephant Trunk Procedure: Effects on Clinical Outcomes and Aortic Remodeling.

Journal of cardiovascular development and diseaseยท2025
Same author

Aortic Remodeling After False Lumen Embolization in Aortic Dissection.

Journal of clinical medicineยท2025
Same author

Informed Consent and Shared Decision-Making in Modern Medicine: Case-Based Approach, Current Gaps and Practical Proposal.

The American journal of cardiologyยท2025
Same author

Initial Multicenter Experience With a Novel Self-Expanding TAVR System in Patients With Aortic Valve Stenosis.

JACC. Cardiovascular interventionsยท2025
Same author

Mechanism and Management of Aorto-Esophageal Fistulation after Thoracic Endovascular Aortic Repair.

Annals of vascular surgeryยท2024
Same author

Randomized Controlled Trial: Does the Use of Occlusive Hydrocolloid Silver-Containing Wound Dressing after Sternotomy Reduce Surgical Site Infection after Cardiac Surgery?

Life (Basel, Switzerland)ยท2024
Same journal

Unloading the clock: when timing meets physiology in STEMI shock.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
Same journal

Door-to-unload time and mortality in patients with ST-segment elevation myocardial infarction complicated by cardiogenic shock.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
Same journal

Outcomes of intraprocedural haemodynamic changes in patients undergoing mitral transcatheter edge-to-edge repair.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
Same journal

Transcatheter edge-to-edge repair for primary mitral regurgitation: what lies ahead?

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
Same journal

Antithrombotic therapy for secondary prevention in patients with acute coronary syndromes treated with percutaneous coronary intervention: options for personalization to reduce bleeding or ischaemic risks.ย A Clinical Consensus Statement of the ESC Working Group on Thrombosis, the Association for Acute CardioVascular Care of the ESC, the European Association of Percutaneous Cardiovascular Interventions of the ESC, and the ESC Working Group on Cardiovascular Pharmacology A Clinical Consensus Statement of the ESC Workingย Group on Thrombosis, the Association for Acute CardioVascular Care of theย ESC, the European Association of Percutaneous Cardiovascular Interventions of the ESC, and the ESC Working Group onย Cardiovascular Pharmacology.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
Same journal

Temporal trends in mitral edge-to-edge repair for primary mitral regurgitation.

EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiologyยท2026
See all related articles

Related Experiment Video

Updated: May 18, 2026

Multi-electrode Array Recordings of Neuronal Avalanches in Organotypic Cultures
16:01

Multi-electrode Array Recordings of Neuronal Avalanches in Organotypic Cultures

Published on: August 1, 2011

JenaValve.

Hendrik Treede1, Ardawan Rastan, Markus Ferrari

  • 1Department of Cardiovascular Surgery, University Heart Center Hamburg, Hamburg, Germany. treede@uke.de

Eurointervention : Journal of Europcr in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology
|September 22, 2012
PubMed
Summary
This summary is machine-generated.

The JenaValve, a novel transcatheter aortic valve implantation (TAVI) device, demonstrated good short- and midterm safety and efficacy in a multicentre study. This next-generation device offers anatomically correct implantation without rapid pacing.

More Related Videos

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos
08:57

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos

Published on: July 27, 2022

Related Experiment Videos

Last Updated: May 18, 2026

Multi-electrode Array Recordings of Neuronal Avalanches in Organotypic Cultures
16:01

Multi-electrode Array Recordings of Neuronal Avalanches in Organotypic Cultures

Published on: August 1, 2011

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos
08:57

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos

Published on: July 27, 2022

Area of Science:

  • Cardiovascular medicine
  • Medical device technology
  • Surgical innovation

Background:

  • Transcatheter aortic valve implantation (TAVI) is a critical intervention for aortic stenosis.
  • Next-generation TAVI devices aim to improve implantation accuracy and patient outcomes.
  • The JenaValve combines a porcine root valve with a nitinol stent for TAVI.

Purpose of the Study:

  • To evaluate the safety and efficacy of the JenaValve for transapical aortic valve implantation.
  • To assess the performance of the JenaValve in a multicentre prospective study.
  • To document early clinical outcomes of a novel TAVI device.

Main Methods:

  • A multicentre prospective study was conducted to assess the JenaValve.
  • The device utilizes feeler-guided positioning and clip fixation for implantation.
  • Transapical aortic valve implantation was performed without the need for rapid pacing.

Main Results:

  • The JenaValve demonstrated good short- and midterm safety and efficacy.
  • Anatomically correct implantation was achieved consistently.
  • The device received CE-mark approval in Europe in September 2011.

Conclusions:

  • The JenaValve is a safe and effective TAVI device with promising short- and midterm results.
  • The device's implantation technique allows for accurate placement without rapid pacing.
  • Ongoing post-market data collection will further assess real-world performance.