Low back pain is a common problem that most people may experience. the incidence of low back pain is highest in the third decade and increases with age until the 60-65 year age group.~In the USA the prevalence of Low back pain is between 15 and 45%. Facet joint is the primary cause of pain in 10-15% of young adult patients with chronic low back pain.~Probable risk factors include genetic factors, age, smoking, heavy physical work, static work postures, lifting, vibration, obesity, and psychosocial factors.(2) Other Causes of low back pain include muscle and ligament strain, bulging or ruptured disc, arthritis, osteoporosis Treatment of chronic low back pain include pharmacological treatment, ,epidural steroid injection ,facet joint block and back surgery The facet joints are a set of plane types of synovial joints between the articular processes of two adjacent vertebrae, The lumbar facet joint is innervated by the medial branch from the posterior ramus of the lumbar spinal nerve.~Lumbar facet joint injections are performed by various techniques, including fluoroscopic-guided technique indications of diagnostic and therapeutic facet joint interventions~Average pain levels > 5 on a scale of 0 to 10.~Contraindications or inability to undergo physical therapy or inability to tolerate oral medications.~Complications from facet joint injections in the lumbar spine are rare and mostly related to the needle placement and/or reactions to injected drugs.(3)
Review outcome of injection of facet joint in chronic low back pain