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Risk factors for postoperative delirium in patients undergoing orthopedic procedures: a systematic review and meta-analysis

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  • Rio Suzuki
  • Aina Nakanishi
  • Masahiro Masuya
  • Keiko Fukuroku
  • Yukari Taneda
  • Yutaka Matsuura

Abstract

Delirium is a common complication in surgical patients following operative procedures; it often occurs in patients undergoing lower-extremity surgery. It is essential to identify and prevent the risk factors for postoperative delirium (POD) in these cases. We aimed to determine the risk factors for POD in patients who underwent lower-extremity surgery through a systematic review and meta-analysis. We included observational studies identifying risk factors for POD in patients undergoing orthopedic surgery. Data sources included the Cumulative Index to Nursing and Allied Health Literature and MEDLINE. We extracted the variables related to delirium that were analyzed by two or more studies meeting the eligibility criteria. A random-effects model was used to calculate the pooled odds ratio, standardized mean difference, and 95% confidence interval. Data were considered significant when p

Suggested Citation

  • Rio Suzuki & Aina Nakanishi & Masahiro Masuya & Keiko Fukuroku & Yukari Taneda & Yutaka Matsuura, 2025. "Risk factors for postoperative delirium in patients undergoing orthopedic procedures: a systematic review and meta-analysis," PLOS ONE, Public Library of Science, vol. 20(4), pages 1-21, April.
    • Handle: RePEc:plo:pone00:0321025
    DOI: 10.1371/journal.pone.0321025
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