Transcatheter AortiC Valve Implantation in aorTic stenosIs CardiogenIc Shock

Inclusion Criteria: * Aortic valve area less than 1cm2 AND Cardiogenic Shock defined as: * Peripheral signs of tissue hypoperfusion (arterial blood lactate ≥2.5mmol/l) AND * Systolic blood pressure \< 100 mmHg and/or need for vasopressor therapy (dopamine/ norepinephrine or epinephrine) AND * Left ventricular ejection fraction ≤ 45% OR \- Syncope/resuscitation (mechanical ventilation) Exclusion Criteria: * Intracranial hemorrhage \< 1 month ago * Remaining life-expectancy \< 6 month due to other cause * Body mass index \<15 OR \> 40 * Clinical frailty score ≥6 before present worsening * Severe lung disease (forced expiratory volume in 1 second OR diffusion capacity of the lungs for carbon monoxide \< 25 of expected) * Unsuitable for TAVI prior to screening