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Objective To investigate the efficacy of collagen thread and silk thread in debridement and suture of facial dog bite. Methods A total of 46 facial trauma patients who visited this department from January 2020 to June 2022 were randomly divided into the collagen thread group (n=24) and the silk thread group (n=22), and each group was treated with 5-0 absorbable surgical sutures after adequate hemostasis by electrocautery to reconstruct important muscles and morphology layer by layer. The patients in the collagen thread group were sutured with 6-0 modified absorbable collagen thread, while the patients in the silk group were sutured with No.1 silk thread. Postoperative wound infection rate, Visual Analogue Scale (VAS) score and Vancouver Scar Scale (VSS) score at 1,3 and 6 months after surgery were compared between the two groups. Results There was no significant difference in postoperative wound infection rate between two groups (P＞0.05). The VAS score of postoperative suture removal in the collagen thread group and the VSS score at 1,3 and 6 months after surgery were lower than those in the silk thread group, with statistically significant differences (P＜0.05). Conclusion The effect of collagen thread applied in debridement suture of facial dog bite is better than that of ordinary silk thread [ABSTRACT FROM AUTHOR]

Objective To summarize experience treating dog bites in the oral and maxillofacial regions of children and provide a reference for clinical practice. Methods Nineteen children with dog bite wounds in the maxillofacial region were treated from July 2011 to June 2018 with primary debridement and suturing. A rabies vaccine, tetanus vaccine and human immunoglobulin as a passive immune agent were given via intramuscular injection. Anti-inflammatory therapy with amoxicillin and clavulanate potassium or other antibiotics. Follow-up observation and a retrospective analysis of the treatment effect were carried out. Results After treatment, among the 19 pediatric patients, 18 cases showed primary healing and 1 case showed secondary healing. The follow-up period ranged from six months to seven and a half years. No cases of rabies occurred. Conclusion For the treatment of patients with maxillofacial dog bite wounds, the first stage debridement and suture can reduce the scar after operation and is beneficial to the recovery of face.

Objective: To analyze the disease burden of animal injury in China between 1990 and 2016. Methods: Data obtained from the Global Burden of Disease 2016 were used to analyze the age and gender specific disease burden of animal injury in China, using the incidence and disability adjusted of life years (DALYs) rate. Relative and annual changes were evaluated. Results: In 2016, the age-standardized incidence and DALYs rate of animal injury in China showed as 245.05 per 100 000 people and 12.73 per 100 000. The age-standardized incidence of non-venomous animal injury was significantly higher than that of venomous animal injury, but the differences in age-standardized incidence and DALYs rate between venomous animal injury and non-venomous animal injury were not significant. Between 1990 and 2016, there was a significantly decreasing trend in the age-standardized incidence and DALYs rate of animal injury, and obvious decline could be seen in the incidence of non-venomous animal injury, compared with venomous animal injury. The incidence and DALYs rate of animal injury declined in both males and females and in different age groups. The obvious decline of incidence and DALYs rate could be found in children aged 5-14 years and aged <5 years. Conclusions: Between 1990 and 2016, there was a significant alleviation of the disease burden of animal injury in China. Young children were most prone to animal injury, resulting in serious disability and death, indicating more attention should be paid to this population at high risk and in animal injury prevention and control programs.