Modalities with a potential to cause urinary retention, such as epidural injections, or to increase bleeding risks, such as aspirin, were relatively disliked by spine surgeons.

• 脊柱外科医生不太喜欢使用具有潜在导致尿潴留的方法如硬膜外注射、或增加出血危险的方法如阿司匹林等。