The objectives of the registry are collection of real-life data on a broad scale, their centralized, structured and comprehensive documentation, and a controlled data exchange. The gathered information will be used to augment the knowledge on the clinical efficacy of the technology, to optimize the quality of its therapeutic application, and to identify and promptly handle possible complications related to the use of CytoSorb®. The registry will record all relevant information in the course of product use, e.g. diagnosis, comorbidities, course of the condition, treatment, concomitant medication and clinical laboratory parameters.