[Efficacy analysis of sacral canal injection in patients with lumbar disc herniation associated with non-sciatica].

Objective: To observe the outcome after sacral canal injection in patients with disc herniation associated with without sciatica.

Methods: From December 2010 to June 2011, 65 patients with acute low back pain without sciatica due to lumbar disc herniation or bulging confirmed by CT or MRI were randomly divided into sacral canal injection group (experimental group) and lumbar oblique wrench group (control group): the experimental group had 35 cases, including 30 males and 5 females, with an average age of (43.90 +/- 1.