Interventional Structural Registry - LuEbeck

The aim of the registry is to investigate the effect of catheter-assisted procedures in the context of structural heart disease on clinical morbidity and mortality. Furthermore, the long-term prognosis of patients after a catheter-based procedure is to be evaluated. In particular, the following parameters will be documented and the following questions discussed: * Underlying and concomitant diseases of these patients * Evaluation of the methods in relation to the respective disease * Safety - acute and long-term * Effectiveness - periprocedural, hospital and long-term course * Concomitant therapies