| The effect of non-steroidal anti-inflammatory drugs on postoperative delirium: a meta-analysis |
Su Yeon Kim1 
, Hyo-Seok Na1,2
, Jung-Hee Ryu1,2
, Hyun-Jung Shin1,2
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1Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
2Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Korea |
Corresponding author:
Hyun-Jung Shin, Tel: +82-31-787-7508, Fax: +82-31-787-4063,
Email: hjshin.anesth@gmail.com
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Received: 15 May 2024 • Revised: 2 July 2024 • Accepted: 16 July 2024 |
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| Abstract |
Background
Neuroinflammation is postulated as a potential mechanism underlying postoperative delirium. This study aimed to investigate the impact of non-steroidal anti-inflammatory drug (NSAID) use on postoperative delirium.
Methods
We conducted a literature search in electronic databases, including PubMed, EMBASE, CENTRAL, and Web of Science, to identify eligible randomized controlled studies. The primary outcome was the incidence of postoperative delirium, and the secondary outcomes included pain scores and the amounts of opioid used at 24 h postoperatively. We estimated the effect size through calculating the odds ratios (ORs) or mean differences (MDs) with 95% CIs, as appropriate.
Results
In the analysis of eight studies involving 1,238 participants, the incidence of postoperative delirium was 11% and 19% in the NSAID and control groups, respectively, with a significant reduction in the NSAID group (OR: 0.54, 95% CI [0.38, 0.7], P = 0.0001, I2 = 0%). NSAID use had a significant effect on postoperative pain reduction (MD: −0.75, 95% CI [−1.37, −0.13], P = 0.0172, I2 = 88%). Significant lower postoperative opioid consumption was observed in the NSAID group (MD: −2.88, 95% CI [−3.54, −2.22], P = 0.0000; I2 = 0%).
Conclusions
NSAID administration reduced the incidence of postoperative delirium, severity of pain, and opioid dose used. |
| Key Words:
Cognitive dysfunction; Emergence delirium; Neuroinflammation; Neuroinflammatory diseases; Non-steroidal anti-inflammatory agents; Meta-analysis; Pain; Postoperative delirium. |
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