Risk factors for postoperative delirium after colorectal surgery for carcinoma.

Background And Aim: Data regarding the incidence and risk factors for postoperative delirium (PD) after gastrointestinal surgery are heterogeneous because they include both benign and malignant disease. The aim of this study was to investigate the incidence and risk factors for PD in 100 consecutive patients over 65 years who underwent colorectal surgery for carcinoma.

Methods: Pre-operative cognitive function was assessed using the Mini Mental State Examination.