perioperative
adjective medical specialized uk/ˌper.ɪˈɒp.ər.ə.tɪv/ us/ˌper.iˈɑːp.ɚ.ə.t̬ɪv/
手术前后的，围手术期的，手术全期的
relating to the time before, during, and after a surgical operation
Fasting before an operation can reduce perioperative complications. 手术间禁食可减少围手术期并发症。