Notice of RetractionPostoperative Delirium of Older Surgical Patient

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

For many years now there have been reports of changes in mental function after anesthesia and surgery, particularly in the elderly. With a general increase in the number of elderly patients, prevalence of this phenomenon is becoming more and more important in our daily practice; therefore awareness of its existence is necessary to every anesthetist. Delirium or acute confusion is a temporary mental disorder that occurs frequently among hospitalized elderly patients, but also in younger patients a delirium can develop. Patients who undergo cardiac surgery have an increased risk of developing delirium that is associated with many negative consequences. Therefore, prevention of delirium is essential. Despite the high incidence of delirium, a paucity of data on risk factors for delirium exists.