AI Article Synopsis
- The study investigates the connection between serum S100A12 levels and postoperative delirium (POD) and cognitive dysfunction (POCD) in elderly patients after hip fracture surgery.
- Elevated serum S100A12 levels were found only after surgery, correlating strongly with C-reactive protein levels and indicating inflammation.
- High postoperative S100A12 levels and older age independently predicted the risk of developing POD and POCD, suggesting S100A12 as a potential biomarker for these complications.
Article Abstract
Objective: Brain injury is implicated in pathogenesis of postoperative delirium (POD) and cognitive dysfunction (POCD). S100A12 is involved in inflammatory process and is recently known as a biomarker for brain injury. Herein, we clarified whether serum S100A12 levels are related to POD and POCD after hip fracture surgery in elderly patients.
Materials And Methods: In this prospective, observational study, we gauged S100A12 levels in preoperative and postoperative serum from 186 patients and serum from 186 controls. Patients were categorized according to the presence of POD and POCD.
Results: Postoperative, but not preoperative serum S100A12 levels were significantly higher in patients than in controls. There was a positive and independent correlation between postoperative C-reactive protein and S100A12 levels (t = 8.797, p < 0.001). Postoperative S10012 levels and age were independently associated with the risk of developing POD (S100A12 levels: odds ratio [OR] = 1.166, 95% confidence interval [CI] = 1.045-2.087, p = 0.001; age: OR = 1.243, 95% CI = 1.073-1.419, p = 0.012) and POCD (S100A12: OR = 1.157, 95% CI = 1.030-1.986, p = 0.003; age: OR = 1.228, 95% CI = 1.054-1.387, p = 0.014). In terms of area under receiver operating characteristic curve, postoperative S100A12 levels had a higher predictive ability than age and their combination dramatically exceeded that of each one alone.
Conclusions: Postoperative elevated serum S100A12 levels have a strong relation to inflammation and are associated independently with the development of POD and POCD, substantializing serum S100A12 as a potential biomarker for predicting POD and POCD in elderly patients undergoing hip fracture surgery.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6346413 | PMC |
| http://dx.doi.org/10.1002/brb3.1176 | DOI Listing |
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