Red Blood Cell Distribution Width And Outcome In Trauma Patients

JOURNAL OF OSTEOPATHIC MEDICINE(2021)

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摘要
Context: Red blood cell distribution width (RDW) has been used to predict mortality during infection and inflammatory diseases. It also been purported to be predictive of mortality following traumatic injury.Objective: To identify the role of RDW in predicting mortality in trauma patients. We also sought to identify the role of RDW in predicting the development of sepsis in trauma patients.Methods: A retrospective observational study was performed of the medical records for all adult trauma patients admitted to Loyola University Medical Center from 2007 to 2014. Patients admitted for fewer than four days were excluded. Admission, peak, and change from admission to peak (Delta) RDW were recorded to determine the relationship with in-hospitalmortality. Patient age, development of sepsis during the hospitalization, admission to the intensive care unit (ICU), and discharge disposition were also examined.Results: A total of 9,845 patients were admitted to the trauma service between 2007 and 2014, and a total of 2,512 (25.5%) patients fit the inclusion criteria and had both admission and peak values available. One-hundred twenty (4.6%) died while in the hospital. RDW values for all patients were (mean [standard deviation, SD]): admission 14.09 (1.88), peak 15.09 (2.34), and Delta RDW 1.00 (1.44). Admission, peak, and Delta RDWwere not significant predictors of mortality (all p>0.50; hazard ratio [HR], 1.01-1.03). However, trauma patientswho eventually developed sepsis had significantly higher RDW values (admission RDW: 14.27 (2.02) sepsis vs. 13.98 (1.73) no sepsis, p<0.001; peak RDW: 15.95 (2.55) vs. 14.51 (1.97), p<0.001; Delta RDW: 1.68 (1.77) vs. 0.53 (0.91), p<0.001).Conclusion: Admission, peak, and Delta RDW were not associated with in-hospital mortality in adult trauma patients with a length of stay (LOS) >= four days. However, the development of sepsis in trauma patients is closely linked to increased RDW values and in-hospital mortality.
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关键词
mortality, red blood cells, red blood cell distribution width, sepsis, trauma
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