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. 2011 May;112(5):1199-201.
doi: 10.1213/ANE.0b013e31820c7c06. Epub 2011 Mar 3.

Brief report: preoperative frailty in older surgical patients is associated with early postoperative delirium

Jacqueline M Leung  1 , Tiffany L Tsai, Laura P Sands
Affiliations

Brief report: preoperative frailty in older surgical patients is associated with early postoperative delirium

Jacqueline M Leung et al. Anesth Analg. 2011 May.

Abstract

We investigated whether preoperative frailty among older noncardiac surgical patients provides information about the development of postoperative delirium that is in addition to traditional geriatric risk factors. One-third of patients had a frailty score ≥3, which is considered "frail" in others' research. Twenty-five percent of patients developed postoperative delirium, which was measured using the confusion assessment method. Multivariable logistic regression showed that age, activities of daily living dependence, instrumental activities of daily living dependence, and cognitive functioning did not contribute significantly to the prediction of postoperative delirium. Only preoperative symptoms of depression (odds ratio=1.42; 95% confidence interval=1.06-1.91; P=0.018) and the frailty score (odds ratio=1.84; 95% confidence interval=1.07-3.1; P=0.028) were independently associated with the development of postoperative delirium.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1. Incidence of Postoperative Delirium Across Frailty Scores
Shown on the Y axis is the incidence of postoperative delirium, and on the X axis is the frailty score. The n and % below each bar represents the number and percentage of patients within each frailty score category with delirium.
See this image and copyright information in PMC

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