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KMID : 0363120080210020136
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Korean Journal of Pain
2008 Volume.21 No. 2 p.136 ~ p.142
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Analysis of Factors Associated with the Therapeutic Duration of Transforaminal Epidural Steroid Injection in Lumbar Spinal Stenosis Patients
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Hong Ji-Hee
Lee Yong-Cheol
Kim Jin-Mo
Park Eun-Jee
Han Sung-Ho
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Abstract
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Background: A transforaminal epidural steroid injection (TFESI) is one of the methods for the conservative treatment of the lumbar spinal stenosis. As efforts to prolong the therapeutic duration and to predict the outcome of TFESI are very important, we analyzed factors considered to be associated with the therapeutic duration of a TFESI.
Methods: Between August 2006 and March 2007, 69 patients (Group A: patients with no pain relief, Group
B: patients with pain relief of less than 6 months, Group C: patients with pain relief of more than 6 months) who failed to the medical treatment were included to undertake a fluoroscopic-guided TFESI. Prior to treatment, the VAS (visual analogue scale), ODI (Oswestry disability index), BDI (Beck depression inventory), and BAI (Beck anxiety inventory) scores were determined to evaluate the degree of pain, disability, and psychological status. The VAS and ODI scores were used to assess the degree of pain relief. To identify the total duration of pain relief, regular outpatient visits for six months were conducted, and for the patients who were not able to visit the outpatient clinic regularly, outcome was assessed by telephone interviews after six months.
Results: The dural sac cross-sectional area (DSCSA), ODI, pain duration, BDI, BAI, and age showed similar
distribution for patients in the A, B, and C groups.
Conclusions: The DSCSA, ODI, pain duration, BDI, BAI, and age were not associated with the therapeutic
duration of TFESI in lumbar spinal stenosis patients.
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KEYWORD
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duration of pain relief, epidural, factors, transforaminal
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