Abstract
Left ventricular outflow tract obstruction represents a wide spectrum of malformations in which stenosis may occur at multiple levels (aortic valve, sub-valvular or supra-valvular) and often may be effectively treated by a cost-effective, percutaneous interventional approach.However, despite the percutaneous option being widely accepted today as the treatment of choice for aortic stenosis, some aspects potentially affect procedural results and the long-term outcome still remain unclear. When surgical or percutaneous valvuloplasty should be preferred, is also a matter of debate.Conversely, percutaneous treatment of sub-valvular and supra-valvular stenosis is supported by limited data largely from case reports.A state of the art, expert opinion on current options, results and future prospective for interventional treatment of congenital left ventricular outflow tract obstruction stenosis is provided.
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