• Andreas B Böhmer, Frank Wappler, and Bernd Zwissler.
• University Hospital Witten/Herdecke-Cologne, Department of Anesthesiology and Intensive Care Medicine at the Hospital Cologne-Merheim, Department of Anesthesiology, Ludwig-Maximilian-Universität, Munich.
• Dtsch Arztebl Int. 2014 Jun 20; 111 (25): 437446437-45; quiz 446.

BackgroundRisk assessment in adults who are about to undergo elective surgery (other than cardiac and thoracic procedures) involves history-taking, physical examination, and ancillary studies performed for individual indications. Further testing beyond the history and physical examination is often of low predictive value for perioperative complications.MethodThis review is based on pertinent articles that were retrieved by a selective search in the Medline and Cochrane Library databases and on the consensus-derived recommendations of the German specialty societies.ResultsThe history and physical examination remain the central components of preoperative risk assessment. Advanced age is not, in itself, a reason for ancillary testing. Laboratory testing should be performed only if relevant organ disease is known or suspected, or to assess the potential side effects of pharmacotherapy. Electrocardiography as a screening test seems to add little relevant information, even in patients with stable heart disease. A chest X-ray should be obtained only if a disease is suspected whose detection would have clinical consequences in the perioperative period.ConclusionIn preoperative risk assessment, the history and physical examination are the strongest predictors of perioperative complications. Ancillary tests are indicated on an individual basis if the history and physical examination reveal that significant disease may be present.

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