Main description:

Procedure and Techniques The aortic valve in these patients is most often The dilation can be approached from either a myxomatous and bicuspid with a single, fused retrograde or antegrade direction. Remember commissure and an eccentrically placed orifice, that critical AS is a case of millimeters-so you or unicuspid (dome-shaped). The valve annulus need to be meticulous. may be small for age, but there is evidence that following dilation even quite small annuli may grow to a normal or near normal dimension (1). Retrograde Approach Myxomatous valves may mature, as Myxo- tous pulmonary valves. Because there is a spec- This is the more common approach at Children's trum to left-sided obstructive lesions, often the Hospital Boston since the production of l- first decision in many of these patients is whether profile balloons. Often the umbilical artery and they should have a valvotomy or a staged o- vein already have been cannulated, and may be ventricle repair.

Contents:

The Basics.- Hemodynamics.- Precatheterization Assessment and Preparation.- In the Lab.- After the Case.- A Few Final Words of Advice.- Specific Cases.- Pulmonary Valve Dilation.- Critical Pulmonary Stenosis.- Pulmonary Atresia with Intact Ventricular Septum (PA/IVS).- Aortic Valve Dilation.- Critical Aortic Stenosis.- Mitral Valve Dilation.- Pulmonary Angioplasty.- Balloon Dilation and Stent Placement for Coarctation.- RV-PA Conduit Dilation and Stenting.- The Pre-Glenn and Pre-Fontan Catheterization.- Device Closure of Fontan Fenestrations.- ASD Device Closure.- PFO Device Closure.- PDA Closure.- Creating Atrial Septal Defects.- Pericardiocentesis.- Endomyocardial Biopsy.- Coronary Angiography.