The Role of Biomarker in Serum, Cerebrospinal Fluid and Parenchyma in the Context of Aneurysmal Subarachnoid Hemorrhage.

Inclusion Criteria: * male or female, age ≥ 18 years * signed consent for participation in the study * signed consent for further analysis of the samples collected during the clinical routine * in-patients Exclusion Criteria: * female or male patient \<18 years * pregnancy, lactation * lack of signed informed consent for participation in the study * lack of signed consent for the further analysis of the samples collected during the clinical routine * taking a study drug within the last thirty days * Simultaneous participation in another clinical trial (except participation as control group) * persons who are in a dependent relationship or employment with the sponsor or investigator * persons housed for a judicial or administrative order in an institution