Richard Ringel

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BACKGROUND There are no guidelines and multiple devices available now for closure of PDA. OBJECTIVE We sought to determine which devices are used and their outcomes. METHODS Prospectively collected data on closure of PDA at 12 US catheterization labs was entered into the MAGIC data registry between November 2005 and September 2008. RESULTS PDA closure(More)
The granting of staff privileges to physicians is an important mechanism to ensure quality care. The Joint Commission on Accreditation of Healthcare Organizations requires that medical staff privileges be based on professional criteria specified in medical staff bylaws. Physicians are charged with defining the criteria that constitute professional(More)
BACKGROUND Coarctation of the aorta (CoA) accounts for 4% to 5% of congenital cardiac abnormalities. Stent therapy has become an accepted alternative to surgery for older children and adults, although there are no balloon-expandable stents approved by the Food and Drug Administration for use in the aorta. The Cheatham-Platinum (CP) stent was designed for(More)
BACKGROUND Fourteen children (ages 2 to 14 years) and 1 adult (32 years) have undergone a modification of the Fontan procedure in which an extracardiac lateral tunnel or conduit is used in combination with staged or simultaneous bidirectional Glenn shunt(s). METHODS Extracardiac lateral tunnels (n = 9) were constructed using a polytetrafluoroethylene(More)
The objective of this study was to determine the initial safety and results of unrestricted multi-institution routine community use of the Amplatzer Septal Occluder (ASO) for atrial septal defect (ASD) closure. A multicenter, nonrandomized prospective study was performed in 13 pediatric cardiology centers from November 2004 to September 2007. Data were(More)
Discussed are the diagnostic and therapeutic issues of cardiac disease in the pediatric age group that have the potential to result in ischemic ventricular dysfunction. The discussion then turns to the nontraumatic thoracic, gastrointestinal, and psychogenic disturbances that are likely to produce symptoms of chest pain. In this context, the question of(More)