Background: Delirium in elderly hip fracture patients has been established as a significant comorbidity. There is, however, no agreement on the most appropriate and practical screening tool. Commonly used screening methods, which focus on the detection of cognitive impairment as a surrogate, are time-consuming, insensitive for mild impairment, and limited in their application to patients with impaired dexterity and poor education.
Study Design: Prospective cohort study.
Setting: Tertiary referral hospital in São Paulo, Brazil.
Synopsis: In the study, 147 consecutive hip fracture patients over age 60 were screened using the 10-CS. This test stratifies patients into three categories: normal, possible, and probable cognitive impairment. Development of in-hospital delirium was evaluated by daily Confusion Assessment Method testing administered by a geriatrician. Patients categorized as probable cognitive impairment were more likely to develop delirium (hazard ratio, 7.48; 95% CI, 2.2–25.4).
Hospitalists involved in perioperative care should consider using this simple screening tool. With an area under ROC curve of 0.83 (95% CI, 0.76–0.89), it effectively detects delirium in this high-risk population. Independently, patients who developed delirium had a longer length of stay (median 11.0 versus 7.0; P < 0.001). This serves as a reminder of the importance of screening and preventing delirium in this population.
Bottom Line: The 10-CS tool is practical in its application and effective in identifying elderly hip fracture patients at risk for delirium.
Citation: Fortes-Filho SQ, Apolinario D, Melo JA, Suzuki I, Sitta MD, Garcez-Leme LE. Predicting delirium after hip fracture with a 2-min cognitive screen: prospective cohort study [published online ahead of print May 17, 2016]. Age Ageing. pii:afw084.