Annals of medicine · 2025
Risk factors for postoperative delirium in orthopedic surgery patients: a systematic review and meta-analysis.
СтатьяСистематический обзорМетаанализПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Niu Yanan, Wang Qiang, Lu Jin, He Piao, Guo Hai-Tao
Аннотация
BACKGROUND: Postoperative delirium is a common and serious complication in orthopedic surgery patients, particularly in the elderly. This study aimed to systematically review and meta-analyze the risk factors associated with postoperative delirium in orthopedic surgery patients.
METHODS: A comprehensive literature search was conducted across PubMed, Cochrane Library, SpringerLink, Elsevier Science Direct, and CNKI databases from inception to October 2024. Studies reporting risk factors for postoperative delirium in orthopedic surgery patients were included. Study quality was assessed using the Newcastle-Ottawa Scale (NOS), and meta-analyses were performed using random-effects models to calculate pooled risk ratios (RR) and weighted mean differences (WMD) with 95% confidence intervals (CI).
RESULTS: A total of 19 studies involving 4,410 patients were included. Significant risk factors for postoperative delirium included advanced age (WMD: 3.30 years, 95% CI: 0.59-6.01), male sex (RR: 1.12, 95% CI: 1.00-1.26), diabetes (RR: 1.76, 95% CI: 1.20-2.58), and preoperative cognitive dysfunction (RR: 1.98, 95% CI: 1.76-2.22). BMI was not significantly associated with delirium risk (WMD: -0.19, 95% CI: -0.84-0.46). The quality of the included studies was generally good, with NOS scores ranging from 6 to 8.
CONCLUSION: This meta-analysis identified several significant risk factors for postoperative delirium in orthopedic surgery patients, including advanced age, male sex, diabetes, and preoperative cognitive dysfunction. These findings highlight the multifactorial nature of postoperative delirium and underscore the importance of comprehensive preoperative assessment to identify high-risk patients. Future research should focus on developing comprehensive risk prediction models that integrate both modifiable and non-modifiable risk factors to improve outcomes for patients undergoing orthopedic surgery.
METHODS: A comprehensive literature search was conducted across PubMed, Cochrane Library, SpringerLink, Elsevier Science Direct, and CNKI databases from inception to October 2024. Studies reporting risk factors for postoperative delirium in orthopedic surgery patients were included. Study quality was assessed using the Newcastle-Ottawa Scale (NOS), and meta-analyses were performed using random-effects models to calculate pooled risk ratios (RR) and weighted mean differences (WMD) with 95% confidence intervals (CI).
RESULTS: A total of 19 studies involving 4,410 patients were included. Significant risk factors for postoperative delirium included advanced age (WMD: 3.30 years, 95% CI: 0.59-6.01), male sex (RR: 1.12, 95% CI: 1.00-1.26), diabetes (RR: 1.76, 95% CI: 1.20-2.58), and preoperative cognitive dysfunction (RR: 1.98, 95% CI: 1.76-2.22). BMI was not significantly associated with delirium risk (WMD: -0.19, 95% CI: -0.84-0.46). The quality of the included studies was generally good, with NOS scores ranging from 6 to 8.
CONCLUSION: This meta-analysis identified several significant risk factors for postoperative delirium in orthopedic surgery patients, including advanced age, male sex, diabetes, and preoperative cognitive dysfunction. These findings highlight the multifactorial nature of postoperative delirium and underscore the importance of comprehensive preoperative assessment to identify high-risk patients. Future research should focus on developing comprehensive risk prediction models that integrate both modifiable and non-modifiable risk factors to improve outcomes for patients undergoing orthopedic surgery.