Methods: 30 cases of patients with nasal endoscopic surgery were randomly divided into groups:group A (with urapidil only)- group B (with urapidil combined isoflurane).

• 方法:30例鼻内窥镜手术病人,随机分为两组,乌拉地尔组(A组),乌拉地尔和异氟醚组(B组)。