Iron metabolism disorder have been identified as the pivotal contributor in the pathogenesis and progression of perioperative neurocognitive disorders. However, the association between iron reserves and perioperative neurocognitive disorders risk remains elusive. This retrospective cohort study aimed to explore the impact of preoperative serum ferritin levels on the risk of postoperative delirium in elderly patients undergoing non-neurosurgical and non-cardiac procedures.
Study Type
OBSERVATIONAL
Enrollment
12,984
no intervention
Number of participants with postoperative delirium
Medical chart review was used for postoperative delirium determination in this study. The defining criteria were as follows: 1) delirium-related terms included in postoperative medical records or 2) postoperative record of delirium or psychotropic drugs treatment.
Time frame: Within the first seven days following surgery
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