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Postoperative delirium occurred in 117(9%)of the 1341 patients studied. Independent correlates included age 70 years or older;self-reported alcohol abuse;poor cognitive status;poor functional status;markedly abnormal preoperative serum sodium,potassium,or glucose level;noncardiac thoracic surgery;and aortic aneurysm surgery.Using data available preoperatively,clinicians can stratify patients into risk groups for the development of delirium,Since delirium is associated with a variety of adverse outcomes,patients with substantial risk for this complication could be candidates for interventions to reduce the incidence of postoperative delirium and potentially improve overall surgical outcome. |
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