Ring Fracture of Brazilian Aortic Valve Bioprostheses Using Non-Compliant High-Pressure Transcatheter Balloon, an Ex Vivo Test.

Introduction: Aortic valve bioprostheses ring fracture in valve-in-valve procedures has shown low complication rates and presents as an option in the treatment of patients at high risk for conventional surgery, avoiding high transvalvular gradients, which are associated with increased mortality. Some prostheses available in the market cannot be fractured. In an ex vivo test, the possibility of ring fracture of aortic valve bioprostheses produced in Brazil when submitted to radial force application using a high-pressure non-compliant balloon was evaluated.

Hemodynamic and Imaging Assessment of Transcatheter Aortic Valve Replacement with the Inovare® Proseal using Multislice Computed Tomography.

Objective: To evaluate the hemodynamic performance (i.e., gradients and paravalvular leakage [PVL]) of the new and experimental Braile Inovare® Proseal.

A New Experimental Device for Transapical Access of the Aortic and Mitral Valves as well as the Aorta in its Various Segments.

Objective:: To present the results of a new experimental device developed to facilitate the transapical access in endovascular treatment of structural heart diseases. It aims to reduce the risk of bleeding and complications in this type of access and demonstrate the device as a safe, fast and effective alternative.

Methods:: CorPoint is composed of three parts: introducer, base with coiled spring, and closing capsule.

Cardiovascular response [corrected] during rehabilitation after coronary artery bypass grafting.

Objective: The aim of the present study was to assess the behavior of cardiovascular variables during an in-hospital cardiovascular rehabilitation program in patients following myocardial revascularization surgery.

Methods: A total of 14 patients (mean age: 55.4 ± 6.

Endovascular treatment of type B aortic dissection: the challenge of late success.

Background: Thoracic endovascular aortic repair of type B aortic dissection is a therapeutic option for selected patients. However, late outcomes of this intervention are virtually unknown, and the series already published are heterogenous regarding demographics, indications, and type of devices.

Methods: From 1997 to 2004, 106 patients exclusively with classic complicated or symptomatic type B aortic dissection were treated with thoracic endovascular aortic repair, using the same device.

Cavectomy for the treatment of Wilms tumor with vascular extension.

Purpose: Vascular extension to the vena cava occurs in 4% of Wilms tumor cases and can reach the right atrium in up to 1%. When this happens the thrombus is usually not adherent to the vessel wall, and there is blood flow around it. Preoperative chemotherapy can cause thrombus regression and even resolution.

Revolutionary treatment of aneurysms and dissections of descending aorta: the endovascular approach.

Background: Acute aortic dissection is a life-threatening medical condition. It is associated with high morbidity and mortality. Type B dissections are usually managed clinically during the acute phase.

Endovascular treatment of thoracic disease: patient selection and a proposal of a risk score.

Background: Although selection criteria and subgroup analysis are still in the early developmental stages, endovascular treatment of aortic disease has become an alternative to surgery for many patients.

Methods: From November 1996 to November 1999, 49 patients were treated with a self-expandable endoprosthesis at our institution. Most patients had acute aortic dissections.