Clinical application of absorbable collagen thread and cosmetic suture technique in emergency treatment of children's facial trauma.

AIM: To explore the effect of absorbable collagen thread and cosmetic suture technique on scar inhibition after emergency facial trauma in children, and to explore the application value of absorbable collagen thread in emergency facial trauma. METHODS: Children who received emergency treatment of facial trauma in plastic surgery department from January 2021 to January 2022 were analysed retrospectively, and were divided into absorbable collagen thread group and non-absorbable nylon thread group. The general data, scar appearance and local symptoms of the two groups were analysed, and the scar appearance was scored by scar beauty rating scale and non-inferiority test was analysed statistically. RESULTS: A total of 632 children with facial trauma were included in this study, including 458 patients with absorbable collagen thread and 174 patients with non-absorbable nylon thread. The SCAR score of the absorbable collagen thread group (3.03 ± 1.57) was similar to that of the non-absorbable nylon thread group (2.98 ± 2.39) (95% confidence interval), and the final scar outcome score was not statistically different (P > 0.05). All families of the patients were satisfied with the results of the procedure, 95% very satisfied. CONCLUSION: The use of absorbable collagen thread and cosmetic suture technique to treat the wounds of children with facial emergency trauma, resulted in good wound healing, little scar expansion, low incidence of erythema and pigment abnormality, no obvious surgical trace, and no scar hypertrophy or atrophy. The overall impression was good, the pain of stitch removal was avoided for children's patients, and the satisfaction of family members was high. Cosmetic suture technique with absorbable sutures is worthy of clinical application.

Effect of Collagen Thread in Tension-Free Suture of Oral Implant Surgical Incision and Effect on Wound Healing Time / 昆明医科大学学报

Objective To investigate the effect of collagen line in the tension－free suture of the incision of oral implant and the effect on the healing time of the wound. Methods 100 patients were selected from January 2016 to January 2017 for repair of dental implant in Zhong Hua Dental clinic of Jinghong city, and they were randomly divided into control group and study group,with 50 cases in each group. The control group was treated with non absorbable sutures of silk suture wounds, while the study group using collagen suture wounds, then we compared two groups of patients with wound healing grade, suture line absorption, wound healing time and formation rate. Results The research group of grade A healing rate was 96%, significantly higher than 80% in the control group (P＜0.05), and the adverse reactions of the study group was 6%, lower than 20% in the control group (P＜0.05);the complete absorption rate and smooth incision rates in the study group for suture in different times were 84%, 96% 100%, and 86%, which were significantly higher than the control group's 62%, 78%, 80% and 68% (P＜ 0.05) . The wound's healing time and postoperative VAS score of 3 d, 5 d and 7 d were significantly lower than the control group (P＜0.05) . Conclusion Collagen line in oral implant surgery incision tension－free suture of wound healing and postoperative recovery is significantly better than that of silk and non absorbable sutures, and collagen can be degradated orally,which effectively improves the wound healing of patients with grades and wound flat rate, and effectively accelerates wound healing, with the value of application.