[Preoperative stratification of risks in patients with disorders of the cardiovascular system].

Disorders of the cardiovascular system are among the most important accompanying diseases in operative medicine. These diseases increase the perioperative risk; the risk is assessed on the basis of the case history and tolerance of the patient as well as the extent and invasiveness of the surgical intervention. Depending on the results of this stratification further examination and therapy may be necessary. The aim of these mainly preventative measures is the highest possible preoperative hemodynamic stability. Besides pharmacological prevention, a therapy for hypertension or ischemia belongs among these measures. The selected anesthesia process must guarantee and efficient prevention of pain.