[Diagnostics and management of perioperative bleeding disorders].

Perioperative bleeding is and remains a major complication during and after surgical interventions, resulting in increased morbidity and mortality. The main causes of a non-primary vascular-related bleeding are congenital or multifactorial pre-existing hemostatic disorders that have not yet been diagnosed, the operating procedure itself and acquired hemostatic abnormalities as a secondary phenomenon, e.g.