History of alcohol abuse after major non-cardiac surgery and postoperative cognitive dysfunction.

Introduction: The risk factors for postoperative cognitive dysfunction (POCD) after non-cardiac surgery include advanced age and preexisting cognitive impairment.

Material And Methods: Data was collected in a prospective manner on 220 patients of both genders. Patients were triaged into three groups, with American Society of Anesthesiologists-ASA Physical Classification System levels I-IV.