Diagnostic and predictive value of white blood cell count, erythrocytesedimentation rate, and coagulation tests in patients with blunt headtrauma

Head trauma is the third leading cause of death and one of the most common causes of referral to the emergency department. Prognosis in these patients identifies individuals at higher risk and provides them with faster and more complete treatment, so it is of particular importance. The aim of this study is to evaluate the diagnostic and predictive value of white blood cell (WBC) count, erythrocyte sedimentation rate (ESR), and coagulation tests in the outcome of patients with blunt head trauma.

In this retrospective study, 91 patients referred to the emergency department of Imam Reza hospital of Tabriz, with a complaint of DAI type of blunt head trauma, were enrolled in a complete and sequential study during the first six months of the year 2017. The patients were divided into two groups according to good or poor prognosis and their association with leukocytosis status and other paraclinical factors at the baseline.

The final outcome in high consciousness group was 13.3% need for intubation, 26.7% need for surgery, 50% improvement without complications, and 10% mortality. In the low consciousness group, 16.7% required intubation, 20.0% required surgery, 10% had no complications, and 53.3% experienced mortality. The significance level of the chi-square test was 0.001. Independent t test results showed that the WBC and ESR values in the low consciousness group were significantly higher than the high consciousness group. But the international normalized ratio (INR) in the high consciousness group was significantly higher than the low consciousness group (P<0.05).

There is a significant relationship between severity of injury and leukocytosis, ESR elevation, and related coagulopathy after major trauma.