Abstract: PURPOSE： To summarize the clinical experience of oral and maxillofacial ambulatory surgery in Xiangya Hospital, Central South University (CSU), and to explore its application value and safety. METHODS: A retrospective clinical study was conducted among patients who underwent oral and maxillofacial surgeries at Center of Ambulatory Surgery of Xiangya Hospital, CSU, from July 2014 to June 2019. The patients' data were analyzed, including age, gender, diagnosis, anesthesia type and surgical method or cancellation reason of operation, hospital stay, causes of delayed discharge, postoperative complications and medical expenses. Moreover, the top 8 diseases treated the most by ambulatory surgery were identified, and the data of hospital stay and medical expenses were analyzed and compared with those of patients with the same diseases from general inpatient ward. The differences between the groups were analyzed by two independent sample t test, and the data were analyzed with SPSS 23.0 software package. RESULTS: During this five-year study, in total 2018 cases of oral and maxillofacial ambulatory surgeries were performed. The major types of diseases were soft tissue neoplasms in oral and maxillofacial region, dental and jaw lesions and salivary gland diseases. The age of patients ranged from 2 to 77 years, with an average of 34.45 years. The ratio of male to female was 6:4. The operation cancellation rate was 1.13%, the incidence of complications was 0.64%, the average hospital stay was 0.89 days, and the delayed discharge rate was 0.40%. Compared to patients with the same diseases from the general ward, the hospital stay and medical expenses were significantly reduced (P<0.05). CONCLUSIONS: Varies types of oral and maxillofacial diseases can be treated by ambulatory surgey, with advantages such as favorable patient compliance, shorter hospitalization and high utilization rate of medical resources. On the premise of standardized management, oral and maxillofacial ambulatory surgery is safe and feasible, and it is worthy of further promotion and application.

Key words: Oral and maxillofacial surgery, Ambulatory surgery, Clinical analysis