A Clinical Update on Delirium: From Early Recognition to Effective Management

Table 1

Risk factors for delirium [10, 46, 47].

(A) Medical setting
Visual impairment	Severe illness
Cognitive impairment	Dehydration
(B) Postoperative delirium (cardiac surgery)
Cerebrovascular disease	Diabetes mellitus
Peripheral vascular disease	Preoperative atrial fibrillation
Impaired left ventricular ejection fraction	Preoperative cardiogenic shock
Urgent operation	Intraoperative haemofiltration
Prolonged duration of surgery	High blood transfusion requirement
(C) Postoperative delirium (non-cardiac surgery)
Cognitive impairment	Older age
Functional impairment	Sensory impairment
Depression	Preoperative psychotropic drug use
Psychopathological symptoms	Medical comorbidity