The primary objective of the survey is to assess the entire perioperative care with particular focus on the development of perceived waiting times in the anesthesiology outpatient clinic, re-evaluation of the preoperative freezing the preoperative thirst, pain, nausea and vomiting after surgery (PONV prophylaxis).~The survey will be repeated in a three-year interval (approximately 1000 - 2000 patients per survey) to monitor and improve the quality of the Department of Anesthesiology and Operative Intensive Care Medicine CCM/CVK, Charité - Universitätsmedizin Berlin from the patient point of view.~In order to achieve a meaningful data collection, a response rate of 50 percent should be achieved.
One goal of the investigators of the Department of Anesthesiology and Operative Intensive Care Medicine CCM/CVK, Charité - Universitätsmedizin Berlin is a continuous improvement in the quality of care to the patients. One focus is the freezing preoperatively during surgery, and on the follow-up study to assess the perceived waiting times in the anesthesiology outpatient clinic.~The project aims to quality assurance and quality improvement of the Department of Anesthesiology and Operative Intensive Care Medicine CCM/CVK, Charité - Universitätsmedizin Berlin .