Related Experiment Video

Updated: Jan 22, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
12:17

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

11.8K

Experiencia inicial en México con la prótesis aórtica transcatéter Evolut™ R por abordaje aórtico directo

Hugo Gutiérrez-Leonard1, Patricia Martín-Hernández1, José L Ojeda-Delgado1

  • 1Laboratorio de Cateterismo Cardíaco, Departamento de Radiología Invasiva, Ciudad de México, México.

Archivos De Cardiologia De Mexico
|July 18, 2019
PubMed

Insights

Transcatheter aortic valve implantation (TAVI) offers a viable alternative for high-risk patients. The direct aortic approach via mini-thoracotomy demonstrates feasibility and safety, with favorable outcomes and reduced complications.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Medical Technology

Background:

  • Aortic stenosis is a common valvulopathy in elderly patients.
  • High surgical risk or inoperability excludes many patients from traditional heart surgery.
  • Transcatheter aortic valve implantation (TAVI) was developed as an alternative treatment.

Purpose of the Study:

  • To evaluate the feasibility and safety of alternative access routes for TAVI.
  • To demonstrate TAVI can be performed in a hemodynamic laboratory setting.
  • To highlight the growing experience and technological advancements in TAVI.

Main Methods:

  • Investigated alternative vascular access routes for TAVI due to limitations of femoral, subclavian, and axillary approaches.
  • Explored the direct aortic approach, involving mini-thoracotomy and aortotomy, as a feasible option for cardiac surgeons.
  • Focused on the technical aspects and learning curve associated with the direct aortic approach.

Main Results:

  • The direct aortic approach is associated with favorable outcomes.
  • This method showed a lower rate of complications, including bleeding and myocardial injury.
  • Patients experienced a shorter Intensive Care Unit length of stay compared to traditional surgery or transapical TAVI.

Conclusions:

  • The direct aortic approach for TAVI is technically feasible and familiar to cardiac surgeons.
  • This approach offers potential advantages in terms of patient recovery and complication rates.
  • Successful implantation of a self-expandable aortic valve via direct aortic access was achieved in a patient with aortic dissection.
Abstract

Keywords:
AorticAutoexpandibleAórticaDirectDirectaImplantaciónImplantationMexicoMéxicoSelf-expandingTranscatheterTranscatéter

More Related Videos

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

14.6K
Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation06:59

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Published on: June 3, 2018

11.0K

Related Concept Videos

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...
526
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
406
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
287
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.7K
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...
427
Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
31.5K