[Sacrococcygeal gap injection for the treatment of failed back surgery syndrome].

Objective: To explore the clinical effect of the sacrococcygeal space injection for the treatment of failed back surgery syndrome.

Methods: From July 1998 to October 2012,47 patients with failed back surgery syndrome were treated and included 39 males and 8 females with an average age of 61.5 years old ranging from 35 to 89 years old.