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Prognostic Value of Plasma Visfatin Level for Chinese Patients with Severe Carbon Monoxide Poisoning
Background:
This prospective observatory study was designed to investigate whether plasma visfatin might serve as a marker of prognosis in patients with severe carbon monoxide (CO) poisoning.
Methods:
A total of 52 consecutive patients with severe CO poisoning and 52 gender- and age- matched healthy subjects were enrolled in the study, and their plasma visfatin levels were determined using an enzyme-linked immunosorbent assay. The clinical outcomes, including in-hospital mortality, 6-month mortality, and poor outcome (Glasgow Outcome Scale score of 1 - 3), were recorded.
Results:
Plasma visfatin levels were statistically significantly higher in patients than in healthy controls (97.4 ± 28.0 ng/mL vs. 12.1 ± 3.7 ng/mL; p < 0.001). Multivariate logistic regression analysis showed that plasma visfatin level was an independent prognostic predictor of in-hospital mortality [odds ratio (OR), 1.214; 95% confidence interval (CI), 1.103 - 1.425; p < 0.001], 6-month mortality (OR, 1.269; 95% CI, 1.085 - 1.534; p < 0.001), and 6-month poor outcome (OR, 1.302; 95% CI, 1.023 - 1.520; p < 0.001). Moreover, receiver operating characteristic curves showed that plasma visfatin level had high predictive value for in-hospital mortality [area under curve (AUC), 0.931; 95% CI, 0.832 - 1.000], 6-month mortality (AUC, 0.894; 95% CI, 0.801 - 0.987), and 6-month poor outcome (AUC, 0.886; 95% CI, 0.796 - 0.977).
Conclusions:
Plasma visfatin levels are significantly higher in patients with severe CO poisoning and could be a useful biomarker to predict short- and long-term clinical outcome after severe CO poisoning.
