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Postoperative Delirium Is Associated with Long-term Decline in Activities of Daily Living.

Abstract：

BACKGROUND:Postoperative delirium is one of the most common complications in the elderly surgical population. However, its long-term outcomes remain largely to be determined. Therefore a prospective cohort study was conducted to determine the association between postoperative delirium and long-term decline in activities of daily living and postoperative mortality. The hypothesis in the present study was that postoperative delirium was associated with a greater decline in activities of daily living and higher mortality within 24 to 36 months after anesthesia and surgery. METHODS:The participants (at least 65 yr old) having the surgeries of (1) proximal femoral nail, (2) hip replacement, or (3) open reduction and internal fixation under general anesthesia were enrolled. The Confusion Assessment Method algorithm was administered to diagnose delirium before and on the first, second, and fourth days after the surgery. Activities of daily living were evaluated by using the Chinese version of the activities of daily living scale (range, 14 to 56 points), and preoperative cognitive function was assessed by using the Chinese Mini-Mental State Examination (range, 0 to 30 points). The follow-up assessments, including activities of daily living and mortality, were conducted between 24 and 36 months after anesthesia and surgery. RESULTS:Of 130 participants (80 ± 6 yr, 24% male), 34 (26%) developed postoperative delirium during the hospitalization. There were 32% of the participants who were lost to follow-up, resulting in 88 participants who were finally included in the data analysis. The participants with postoperative delirium had a greater decline in activities of daily living (16 ± 15 vs. 9 ± 15, P = 0.037) and higher 36-month mortality (8 of 28, 29% vs. 7 of 75, 9%; P = 0.009) as compared with the participants without postoperative delirium. CONCLUSIONS:Postoperative delirium was associated with long-term detrimental outcomes, including greater decline in activities of daily living and a higher rate of postoperative mortality.

journal_name

Anesthesiology

journal_title

Anesthesiology

authors

Shi Z,Mei X,Li C,Chen Y,Zheng H,Wu Y,Zheng H,Liu L,Marcantonio ER,Xie Z,Shen Y

doi

10.1097/ALN.0000000000002849

subject

Has Abstract

pub_date

2019-09-01 00:00:00

pages

492-500

issue

eissn

0003-3022

issn

1528-1175

journal_volume

131

pub_type

杂志文章

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Postoperative Delirium Is Associated with Long-term Decline in Activities of Daily Living.