Remarks on Severity of Trauma Patients Due to Road Traffic Accidents have Been Treated at Vietduc University Hospital Assessed by RTS BJSTR


Traffic accidents are always a global problem. According to statistics of the World Health Organization — WHO, every year around the world, about 1.35 million people die, leading to 50 million people being permanently disabled due to irreversible injuries, accounting for 30–50% of total hospital admissions (3). Vietnam is the country with the highest number of traffic accident deaths in ASEAN and one of the countries with the most traffic accidents in the world. Therefore, traffic accidents are always a current topical issue in Vietnam because it’s a burden on health care and society, affecting the patient’s lives. Although the Government has been implementing many measures to reduce the number of cases and victims, Vietnam is still in the group of developing countries with high rates of morbidity and mortality caused by traffic accidents [1–4]. To improve the qualifications of trauma care, one interesting issue is updating trends in trauma care assessment. Primary trauma care requires assessment of severity to develop appropriate care strategies. The Revised Trauma Score -RTS simplifies the rapid assessment of injury based on Respiratory Rate, Maximum Blood Pressure, and traumatic brain injury severity — Glasgow Coma Scale has been widely recognized for clinical decision making. Several articles have evaluated the performance of RTS in the emergency department (ED) as a triage and prediction tool and showed the effect in clinical practice because bedside assessment tool, each of its variables can be easily and quickly calculated [5,6]. Viet Duc University Hospital, one of the leading centers of surgery in Vietnam, annually receives more than 30.000 trauma patients, most of them are serious trauma patients due to traffic accidents. Quick triage for providing proper treatment is a very important issue for health workers at the ED because it could impact the outcomes of treatment. Therefore, we have conducted this study to evaluate the effectiveness of using RTS on trauma patients at ED of Hospital.


In this study, we used the RTS including three parameters are considered for the RTS: maximum systolic blood pressure (MaxSBP, mm Hg), Respiratory Rates (RR, cycles per minute), and Glasgow Coma Scale (GCS). The RTS will range from 0 to 12, where the lower RTS is the more severe injury at the higher risk of death [5] (Table 1).

Table 1.

Setting and Participants

We prospectively analysed the clinical data of 200 patients with traffic accident acute trauma who were treated in the ED of Viet Duc University Hospital, a comprehensive tertiary surgical hospital) from December 2020 to March 2021. The patients were assessed the RTS upon admission within the first 24 hours. The data were recorded by attending nurses and doctors at the time of the patient’s presentation to the ED. Exclusion criteria were used: The patients already had airway intervention such as endotracheal intubation, mechanical ventilation. The patients died on arrival or were discharged from the ED before termination of emergency treatment, the medical records were not completed.

Data Analysis

Data were processed using SPSS 20.0 software.

A total of 200 patients who met the selection criteria were analyzed. The characteristics of subjects are as follows:
*All 50 patients who dead in the group with RTS ≤ 9. The difference between survival and death rates of groups with RTS ≤ 9 and RTS ≥ 9 is statically significant with P <0.05.

Injuries in general and traffic accidents, in particular, are still a global problem. In most developed countries, the injury classification system helps to provide appropriate care strategies, reducing complications and mortality. However, in many developing countries like Vietnam, the trauma emergency system is still incomplete and has many challenges. According to Zhejun Yu [4] each year, more than 400 000 people die in China from motor vehicle accidents or industrial accidents, among which 1%-1.8% were multiorgan/multisystem injuries. China’s regional trauma system hasn’t yet been full-fledged, and the management of trauma centers is facing great challenges. Therefore in all emergency rooms, especially in cases of overcrowding and understaffed, it is critical to rapidly screen large numbers of patients, identify the critically ill patients promptly, assess the severity of their condition and assign appropriate treatment priorities, and transfer them towards or intensive care unit are very important issues while treating the patients there [7–9].
In the past 30 years, a different trauma scoring system has been developed, most of the scales are combined with factors related to anatomy and physiology.
However, the scales are too complicated, with many variables, while the emergency needs to be done as quickly as possible. Among the commonly used scales are the Revised Trauma Score (RTS) or the T-Revised Trauma Score (T-RTS), the Severity Scale. Injury — Injury Severity Score (ISS) and Trauma Score-Injury Severity Scores (TRISS), the RTS is widely used. Many studies have evaluated the effectiveness of applying RTS to serve trauma care at the ED effectively [10–12]. In 1989 Champion HR [5] has introduced a revised scale to assess the severity of trauma based on three main indicators: Respiratory Rates — Maximum Blood Pressure — Glasgow Coma Scores abbreviated as RTS — Revised Trauma Score. According to the rating scale, the lower the RTS, the higher the risk of death. Because RTS reflects trauma severity, it is considered a useful tool to predict the patient’s survival and death. The study of R.A Lichtveld [13] of 503 trauma patients showed that when compared with non-ventilated patients with unchanged RTS, the risk of death in patients with RTS scores was 3.1 times lower (P=0.001), patients with a good initial RTS score but subsequently intubated were 2.9 times higher (P<0.001) and in patients with a low RTS, intubated were twice as likely (P<0.001) (6). According to Nguyen Huu Tu [14] if RTS ≤9 mortality rate is 78.3% compared to 3.4% of the RTS group >9 (3). Research results of Nguyen Huu Tu and Nguyen Truong Giang are similar: the higher RTS means the greater rate of survival [14,15]. In the study on the effects of T-RTS by Lam Vo Hung [6] to triage of trauma patients at the ED of An Giang hospital in the South of Vietnam in 2012 through 150 trauma patients with traffic accidents. The study has shown that RTS had a statistically significant difference in the mean value of the survival group with the death group with P = 0.000. RTS cut-off score <9 predicts mortality with a sensitivity of 88% and a specificity of 99%.
The author recommends that RTS should be widely applied in medical facilities and that the RTS scale is effective in survival prognosis. With a sensitivity of 88.2% and a specificity of 99.2%, the RTS shows an effective role in assessing the risk of death. The reports of Nguyen Huu Tu, et al. [14,15] also had similar results with sensitivity of 78.7%, 76%, and specificity of 95.1%, 84%. According to the study by Kondo Y et al. [16] about the correlation between long-term mortality and short-term mortality of RTS, T-RTS, TRISS, MGAP (mechanism, GCS, age, and arterial pressure) score, and GAP (GCS, age and arterial pressure) score. They found that T-RTS was better at predicting short-term mortality than long-term mortality. For the aging group, the study of Lam Vo Hung [6] showed that the group with the highest mortality was from 16 to 39 years old, young people who were hyperactive, disregarded traffic rules, and easy to be injured by traffic accidents (accounting for 50% of the total sample of study). In our series, the age group was the highest proportion from 21 to 60 years old, accounting for 64%, males accounted for the majority of 86.7% (Figures 1 & 2). As for the type of injury, in the study of Lam Vo Hung [6], traumatic brain injury and multiple trauma had a high mortality rate. Among the types of injuries, there was a statistically significant difference in mortality with P<0.05. Nguyen Huu Tu [14] has the same comment as us, the mortality rate due to traumatic brain injury and multiple trauma is 16.6% and 22.3%, respectively (3).

Figure 1: Distribution by age group.

Figure 2: Distribution by sex.

In addition, Nguyen Truong Giang [15] studied 532 accident patients at 103 Hospital and found that the RTS were low in the traumatic brain injury group and the multi-traumatic group. Nguyen Duc Chinh, et al. [17] conducted a study at Viet Duc University Hospital on deaths (2016–2018) showed that the traumatic brain injury group accounted for the highest rate, especially the group with GCS from 6 to 8. Bruno Durante, et al. [18] analyzed 200 patients from December 2013 to February 2014, including trauma victims admitted to the emergency room of the Cajuru University Hospital. The patients were set up in three groups: (G1) penetrating trauma to the abdomen and chest, (G2) blunt trauma to the abdomen and chest, and (G3) traumatic brain injury. The variables we analyzed were: gender, age, day of the week, mechanism of injury, type of transportation, RTS, hospitalization time, and mortality. Regarding mortality, there were 12%, 1.35%, and 3.95% of deaths in G1, G2, and G3, respectively. The median RTS among the deaths was 5.49, 7.84, and 1.16, respectively, for the three groups. The authors concluded that RTS was effective in predicting mortality in traumatic brain injury, however failing to predict it in patients suffering from blunt and penetrating trauma. In our study, the highest proportion of combined injuries were maxillofacial injuries 44%, limb injuries 23.5%, blunt chest injuries 22% (Table 2).

Table 2: Associated lesions (N = 200).

Patients with severe traumatic brain injury according to the GCS of 6–8 accounted for the highest rate of 52% (Table 3). Up to 40% were operated on emergency within the first 24 hours. The rate of serious injured was discharged to die at home accounted for 24.5%, 0.5 % died in hospital, overall mortality was 25% respectively (Table 4). Regarding the RTS in our study, there were mostly in the group of RST at 10 points (50.5%) and 9 points (35.5%). There were 98 patients (49%) with RTS ≤ 9 (Table 5) of which, 91.8% with serious brain injury. All 50 fatal and critically ill patients were in this group.

Table 3: GCS, MxBP and RR (N = 200).

Table 4: Managements and outcomes at ED within first 24 hours (N = 200).

Table 5: RTS.

In a Mega-analysis of Manoochehr S [19], to compare the ability of Revised Trauma Score (RTS) and Kampala Trauma Score (KTS) in Predicting Mortality, the study was conducted by two investigations searched the Web of Science, Embase, and Medline databases and the articles in which the exact number of truepositive, true-negative, false-positive, and false-negative results could be extracted were selected. A total of 11 relevant studies (total n = 20,631) were investigated. Regarding the accuracy and performance, the author concluded that RTS was better than KTS for distinguishing between mortality and survival. Compared with the other researches of domestic and international, we find that RTS is convenient to use in a clinical emergency for trauma victims. Moreover, in addition to the GSC, RTS can also be used as a predictor of severity and mortality, helping physicians at ED to making quick decisions and providing appropriate treatment [4,6,20,21].

Through the study of 200 trauma patients due to traffic accidents, we found that RTS has a value in predicting survival as shown by the difference between survived group and the death group. The patients who died were in the group with scores ≤ 9 statically significant with P <0.05. Because it is easy to calculate and suitable for first aid, it is recommended to apply in clinical practice, especially in the actual conditions of Vietnam. In the difficult conditions of shortage of resources, the trauma emergency system has not been standardized, the application of RTS helps to reduce the morbidity and mortality rate.




Biomedical Journal of Scientific & Technical Research (BJSTR) is a multidisciplinary, scholarly Open Access publisher focused on Genetic, Biomedical

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Biomedical Journal of Scientific & Technical Research (BJSTR) is a multidisciplinary, scholarly Open Access publisher focused on Genetic, Biomedical

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