[Are we missing the first step? : An online expert survey in a mixed methods design on current state analysis of perioperative risk estimation and preoperative preparation of patients over 65 years old in Germany].

Background: The proportion of patients over 65 years of age in surgical care is increasing in Germany. Frailty represents a relevant problem in the perioperative care of older patients and has a negative impact on the postoperative outcome. The individual degree of frailty can be influenced.