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Journal of the Korean Academy of Rehabilitation Medicine 2010;34(2):204-208.
Efficacy of Transforaminal Epidural Steroid Injections According to Nerve Root Enhancement.
Do, Sung Jin , Ahn, Sang Ho , Cho, Yun Woo , Shim, Dae Seop , Cho, Hee Kyung , Kim, Han Seon , Jang, Sung Ho
Department of Rehabilitation Medicine, College of Medicine, Yeungnam University, Korea. spineahn@yumail.ac.kr
신경근 조영 증강 유무에 따른 경추간공 경막외 스테로이드 주사의 효과
도성진, 안상호, 조윤우, 심대섭, 조희경, 김한선, 장성호
영남대학교 의과대학 재활의학교실
Abstract
Objective
To determine the efficacy of transforaminal epidural steroid injections according to nerve root enhancement in lumbar disc herniations.
Method
Twenty seven patients who had extruded or seques tered lumbar disc herniations on enhanced MR imaging were investigated: fifteen patients with corresponding nerve root enhancement (enhanced group), and twelve patients without enhancement (non-enhanced group). All patients received transforaminal epidural steroid injection. Clinical outcomes were measured by visual analogue scale (VAS) for back and radicular pain, Oswestry disability index (ODI) before treatment and one month after injection.
Results
The averages of VAS for lower extremity and back pain in both groups one month after injection significantly reduced compared to that of pretreatment, respectively (p<0.001). The amount of decrease in pain in enhanced group was larger than that of non-enhanced group (p<0.05). The averages of ODI in both group one month after injection significantly reduced compared to that of pretreatment (p<0.0001), however, there was no difference between the two groups.
Conclusion
The nerve root enhancement on contrast-enhanced MR imaging indicates the presence of severe inflammatory reaction of nerve root, which means well-responsiveness to anti-inflammatory treatment such as transforaminal epidural steroid injection, even if patients' symptom is very severe. (J Korean Acad Rehab Med 2010; 34: 204-208)
Key Words: Transforaminal epidural steroid injections, Nerve root enhancement, Lumbar disc herniations, Radicular pain


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