Objectives: Recent experimental flow studies based on angiography and magnetic resonance have shown that total cavopulmonary anastomosis (TCPA) is a valid concept for surgical treatment of many congenital heart defects, but there is not agreement of the best surgical arrangement. Our purpose is to analyze the immediate results with three different techniques of TCPA.
Methods: We sought to analyze retrospectively all TCPA realized from January 2005 to July 2008; there were 40 patients, all with previous Glenn anastomosis, with mean age of 6.
Objective: To assess the surgical results in patients with transposition of the great arteries and intact ventricular septum undergoing surgery after the neonatal period.
Methods: From January 1998 to March 2004, 121 children with transposition of the great arteries with intact ventricular septum were treated, 29 (24%) of whom after the neonatal period. Selection for surgical treatment was based on echocardiographic assessment by use of the calculation of left ventricular mass and configuration of the ventricular septum.
J Cardiovasc Electrophysiol
July 2004
Introduction: Automatic rhythms associated with Mahaim fibers usually occur during radiofrequency catheter ablation. The incidence and significance of spontaneous automaticity in Mahaim fibers are unknown.
Methods And Results: Spontaneous automatic rhythms were observed in 5 (12.
Unlabelled: Fasciculoventricular Fibers.
Introduction: Fasciculoventricular tracts are considered a rare form of ventricular preexcitation. Few fasciculoventricular pathways have been reported, and none have been linked to a reentrant tachycardia.
A series of four patients with right-sided accessory pathways with long conducting times and decremental properties is reported. All patients underwent radiofrequency catheter ablation, and target areas were guided by a discrete "Mahaim" potential recorded at the lateral aspect of the tricuspid valve. A slow automatic and irregular rhythm with a QRS morphology similar to that of a fully preexcited QRS complex occurred during radiofrequency current delivery.
View Article and Find Full Text PDFBackground And Aim Of The Study: The study aim was to update the clinical analysis of hemodynamic performance, structural failure and survival in patients undergoing aortic valve replacement (AVR) with a composite aortic, aldehyde tanned, stentless porcine bioprosthesis.
Methods: Between January 1990 and March 2001, 247 patients underwent AVR with aortic stentless valves. Patient demographic and clinical analysis included age, sex, valve lesion, valve size, pre- and postoperative NYHA class, hospital morbidity, mortality, operative data and duration of hospitalization.