An outbreak of 81 cases of angiostrongyliasis cantonensis (AC) occurred in Beijing, China, during June through September 2006. Epidemiological characteristics, clinical signs and symptoms, laboratory tests, imaging, and treatment data from the 81 AC patients were collected and analyzed. All cases had a history of eating raw freshwater snails, and acquired Angiostrongylus cantonensis as a result. The incubation period ranged from 1 to 36 days. The main symptoms were fever, severe headache, neck stiffness, and skin paresthesia. A significant increase in eosinophilia occurred in the peripheral blood of 62 cases and in cerebrospinal fluid of 64 cases; 36 patients presented a linearly enhanced abnormal signal of the leptomeninges site during a cranial MRI examination, indicative of meningitis; 18 cases had a significant nodule shadow and spot flaky ground-glass shadow on chest computerized tomography. All patients were relieved of their illness with a 7-day treatment of albendazole.
Background/Aims Maxillofacial soft tissue injuries (STIs) may differ in epidemiological characteristics from other maxillofacial injuries. The aim of this study was to investigate the epidemiology of maxillofacial STIs in a public oral emergency department in Beijing, China, from 2017 to 2018. Material and Methods In this retrospective study, 5949 patients with maxillofacial STIs and complete medical records were evaluated. Gender, age, etiology, visit date and time, interval between accident and treatment, anatomic injury site, treatment modality, and the number of associated maxillofacial bone fractures or tooth injuries were analyzed. Result There were 3831 males and 2118 females (ratio 1.81:1). Patients younger than 10 years were the most frequently seen group (44.2%). Among adults, 20‐ to 29‐years‐old (16.2%) was the most prominent age group. The month of May (11.8%) had the highest incidence of maxillofacial STIs, and February (4.5%) had the lowest incidence. The average number of daily visits was significantly higher on holidays than on workdays. Of the 5949 patients, 45.9% attended at night, 2021 patients had dental trauma, and 31 had jaw fractures. The lips were the most common site of STIs, followed by the chin and gingiva. Lip and gingival STIs were more common in the 0‐ to 10‐years‐old group. Chin STIs were more common in the 20‐ to 39‐years‐old group. A fall was the leading cause of injury, especially in patients younger than 10 years and older than 70 years. Approximately 56.7% of the falls resulted in injuries to the lower one‐third of the face. Sports injuries were more common among 10‐ to 29‐years‐old individuals. Conclusion STIs of the maxillofacial region were most likely to occur at night, in May and during holidays. Males, children younger than 10 years and 20‐ to 29‐years‐old adults were high‐risk populations. Most maxillofacial STIs involved the lips, and one‐third of the patients had dental trauma.
Objective To retrospectively review the impact of the outbreak of coronavirus disease 2019 (COVID‐19) on services in the oral emergency room. Materials and methods A statistical analysis of epidemiological characteristics and the patients’ diagnoses and treatments in the Emergency Department of Peking University Hospital of Stomatology during the outbreak of COVID‐19 in 2020 compared with those in 2019 in Beijing, China. Results There were fewer total visits in 2020 than in 2019 ( P = 0.001), and the proportions of patients who were children, adolescents and elderly people were lower in 2020 than in 2019 ( P < 0.001). The proportions of patients with acute toothache and infections were higher in 2020 than in 2019, and the proportions of patients with maxillofacial trauma and non‐emergencies were lower in 2020 than in 2019 ( P < 0.001). Drug treatment for acute pulpitis was used more often in 2020 than in 2019, and endodontic treatment and examination consultations were less common in 2020 than in 2019 ( P = 0.022). Conclusions The outbreak of COVID‐19 affected the patient population and structure of disease types and oral services in the emergency room. The number of visits to the oral emergency room and the proportions of the patients who were children, adolescents and elderly people were reduced, meanwhile the percentage of emergency cases, except trauma, and conservative treatments increased during the outbreak of COVID‐19.
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