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KMID : 0616620030090010079
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Journal of Soonchunhyang Medical College
2003 Volume.9 No. 1 p.79 ~ p.84
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The Cllinical Study of Dorsal Root Ganglionotomy by pulsed Radiofrequency Thermocoagulation using two Cannulas in Low Back Pain Patients
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Kim Chun-Sook
Bae Jae-Young
Bae Duck-Gu
Kang Kyu-Sik
Ahn Ki-Ryang
Kwon Jin-Hyeong
Kim Ji-Eun
Yoo Sie-Hyeon
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Abstract
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Dorsal root ganglion(DRG) block by the local anesthetics and steroids which has done classically in low back pain(LBP) patients with radiculopathy has high incidence of recurrence rate and side effects of steroids. Recently a new technique of pulsed radiofrequency thermocoagulation(P-RFTC) was introduced and substituted for it because of the benefits such as relatively low recurrence rate, low risk of nerve injury and comfort during the procedure. We experienced 15 patients who had LBP with radiculopathy and no or little response to epidural steroid injection. When we performed DR ganglionotomy by P- RFTC under the C-arm guide in these patients, we tried to approach the exact DR ganglion using tow cannulas - the one for obtaining patient’s subjective symptoms and injection of contrast dye, the other for making a RF lesioning after identifying the impedance of sensory and motor stimulation. In conclusion, DR ganglionotomy by P- RFTC using two cannulas in LBP patients is an easy and safe procedure with satisfactory results.
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KEYWORD
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dorsal root ganglionotomy, radiculopathy, pulsed radiofrequency thermocoagulation, two cannulas
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