Neil M. M. Wilson

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Transcatheter closure of atrial septal defects (ASDs) was performed mainly in children and adolescents. Information about outcome and complications in adults was limited. From November 1997 to November 2005, percutaneous closure of ASDs using the Amplatzer septal occluder was attempted in 650 consecutive adult patients. Median patient age was 45.8 +/- 16.2(More)
Anthracyclines are used in the therapy of several of the most common paediatric oncological disorders. The usefulness of these agents is limited by cardiotoxicity, with congestive heart failure developing in up to 20% of patients. To stratify possible risk factors, we investigated 38 children with acute lymphoblastic leukaemia for signs of late(More)
PURPOSE To determine if magnetic resonance (MR) imaging data can be used to create rigid models that are accurate representations of the right ventricular outflow tract (RVOT) and pulmonary trunk anatomy and if such models can be used to refine the selection of patients for percutaneous pulmonary valve implantation (PPVI). MATERIALS AND METHODS(More)
AIMS The purpose of this study was to evaluate the feasibility and short-term efficacy of transcatheter paravalvular leak closure using different occlusion devices. METHODS AND RESULTS Twenty-one patients underwent transcatheter closure of either aortic or mitral paravalvular leak from June 2002 to February 2006 using the Amplatzer PDA, ASD or VSD(More)
OBJECTIVE To verify or refute the value of hospital episode statistics (HES) in determining 30 day mortality after open congenital cardiac surgery in infants nationally in comparison with central cardiac audit database (CCAD) information. DESIGN External review of paediatric cardiac surgical outcomes in England (HES) and all UK units (CCAD), as derived(More)
INTRODUCTION The Helex Septal Occluder (HSO) is a relatively new device used in the percutaneous closure of atrial septal defects (ASDs). The immediate and short-term results of its deployment have been reported, but the medium-term results have not been described. The objective was to describe the midterm efficacy and safety of percutaneous closure of ASD(More)
AIMS Patients with cryptogenic embolic events and a patent foramen ovale (PFO) are at risk of paradoxical embolism causing recurrent cerebral events; however, transcatheter PFO closure remains controversial. The aim of this multicentre trial was to demonstrate the feasibility and safety of transcatheter closure of PFO with the HELEX Septal Occluder. (More)
OBJECTIVES To determine the incidence of symptomatic recurrent embolic events after patent foramen ovale (PFO) closure and potential causes for these events. BACKGROUND It is well-known that cerebral or other embolic events may occur after PFO closure. METHODS This is a retrospective analysis of consecutive patients who underwent PFO closure for(More)
We report the successful percutaneous closure of a large coronary artery fistula from the obtuse marginal artery to the right ventricle in an 8-month-old boy using the Amplatzer duct occluder. The device was positioned and deployed via the venous system, using a guidewire that had been advanced via the aorta, coronary artery, and fistula to the venous(More)