The introduction of devices for transcatheter aortic valve implantation, mitral repair, and closure of prosthetic paravalvular leaks has led to a greatly expanded armamentarium of catheter-based approaches to patients with regurgitant as well as stenotic valvular disease. Echocardiography plays an essential role in identifying patients suitable for these interventions and in providing intra-pro...

Transcatheter aortic valve implantation is a novel treatment for severe aortic valve stenosis. Due to the recent use of this technology and the procedural variability, there is very little data that quantify the hemodynamic consequences of variations in valve placement. Changes in aortic wall stresses and fluid retention in the sinuses of Valsalva can have a significant effect on the clinical r...

BACKGROUND Transcatheter balloon valvuloplasty has been the accepted first line treatment for congenital pulmonic stenosis (PS) in children. Transcatheter closure of perimembranous ventricular septal defect (VSD) with Amplatzer VSD occluder is an alternative to surgical repair. CASE PRESENTATION A 12 year old boy presented with history of exertional dyspnea and atypical chest pain. Physical f...

BACKGROUND Contemporary transcatheter and minimally invasive approaches allow for improved cosmesis and eliminate sternotomy; however, access to a 'Heart Team' approach to minimally invasive atrial septal defect (ASD) repair remains limited in Canada. METHODS Retrospective chart review of all minimally invasive atrial septal defect repairs performed between 2009 and 2017 at a quaternary cardi...

OBJECTIVES This study sought to report on the pathology of transcatheter aortic valves explanted at early and late time points after transcatheter aortic valve implantation. BACKGROUND Information on pathological findings following transcatheter aortic valve implantation is scarce, particularly late after transcatheter aortic valve implantation. METHODS This study included 20 patients (13 m...

INTRODUCTION Transcatheter closure of ASDs has become the procedure of choice for treatment of ASDs in many centers (1,2). High success rate, low complication rate, and ease of application are the main advantages of this approach. In this article, we report our experience of transcatheter device closure in children. There have been significant developments over time which resulted in devices wi...

Transcatheter closure of atrial septal defect (ASD) has been used as an alternative to open heart surgery. Although transcatheter closure of ASD with the Amplatzer septal occluder is a safe and feasible method in pediatric patients, there is little published data on arrhythmia analysis following transcatheter device closure of secundum ASD. We evaluated cardiac dysrhythmias with 24-hour ambulat...

A potential complication of mitral valve replacement surgery is the development of a paravalvular leak (PVL). Percutaneous transcatheter closures of PVLs using a wide array of devices have been reported in the literature, although the procedural success rate of this approach remains variable. One major challenge of transcatheter mitral PVL closure lies in the ability to adequately visualize the...

Transcatheter aortic valve replacement (TAVR) is a new technology that recently has been shown to improve survival and quality of life in patients with severe symptomatic aortic stenosis who are not surgical candidates. The development and design of transcatheter valves has been ongoing for the past 20 years, and TAVR has now been approved by the FDA as a treatment for aortic stenosis in patien...

PURPOSE To report on our clinical experience with and the success rate and safety of percutaneous transcatheter embolization with N-butyl cyanoacrylate (NBCA) as the lone primary embolic agent used for arterial embolization of hemorrhagic liver lesions. MATERIALS AND METHODS This retrospective study enrolled all patients who presented to the emergency room with hemorrhagic liver lesions durin...