Influence of road types on road traffic accidents in northern Guizhou Province, China.

PURPOSE: The increasing number of deaths due to road traffic accidents (RTAs) has attracted global attention. However, the influence of road types is rarely considered in the study of RTAs. This study evaluates the influence of different road types in RTAs in northern Guizhou to provide a basis for the formulation of evidence-based policies and measures. METHODS: We obtained the data from the Zunyi Traffic Management Data Platform for the years 2009-2018. The mortality rates of RTAs were calculated. Descriptive methods and Chi-square tests were used to analyze the characteristics of road traffic collisions on different road types. We also examined the associations between the mortality rate per 10,000 vehicles and the growth of per capital gross domestic product (GDP) with Spearman's rank correlation analysis. According to the passing volume and the infrastructure, we defined different types of roads, like administrative road, functional road, general urban road and urban expressway. RESULTS: In 2012, the traffic mortality rate of administrative roads was 8.9 per 100,000 people, and the mortality rate of functional roads was 7.4 per 100,000 people, which decreased in 2018 to 6.1 deaths per 100,000 people and 5.2 deaths per 100,000 people, respectively. The mortality rate per 10,000 vehicles reached the highest level in 2011 (28.8 per 10,000 vehicles and 22.5 per 10,000 vehicles on administrative and functional roads, respectively). The death rate of county roads was the highest among administrative roads (χ2 = 17.389, p < 0.05) and that of fourth-class roads was the highest among functional roads (χ2 = 21.785, p < 0.05). The mortality rate per 10,000 vehicles was negatively correlated with per capital GDP. CONCLUSION: Although our research shows that RTAs in northern Guizhou have steadily declined in recent years, the range of decline is relatively small. Many measures and sustainable efforts are needed to control road traffic death and accelerate the progress in road traffic safety in northern Guizhou.

Duodenal perforation after organophosphorus poisoning: A case report.

BACKGROUND: Organophosphorus poisoning (OP) is one of the common critical conditions in emergency departments in China, which is usually caused by suicide by taking oral drugs. Patients with severe OP have disturbance of consciousness, respiratory failure, toxic shock, gastrointestinal dysfunction, and so on. As far as we know, the perforation of the duodenum caused by OP has not been reported yet. CASE SUMMARY: A 33-year-old male patient suffered from acute severe OP, associated with abdominal pain. Multiple computed tomography scans of the upper abdomen showed no evidence of intestinal perforation. However, retrograde digital subtraction angiography, performed via an abdominal drainage tube, revealed duodenal perforation. After conservative treatment, the symptoms eased and the patient was discharged from hospital. CONCLUSION: Clinicians should pay close attention to gastrointestinal dysfunction and abdominal signs in patients with severe OP. If clinical manifestation and vital signs cannot be explained by common complications, stress duodenal ulcer or perforation should be highly suspected.