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KMID : 0363119960090020407
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Korean Journal of Pain
1996 Volume.9 No. 2 p.407 ~ p.411
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Stereotactic Lumbar Dorsal Root Ganglionotomy in the Management of Intractable Pain
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신근만
안철수/홍순용/최영룡/손호균
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Abstract
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Stereotactic radiofrequency dorsal root ganglionotomy can be very useful procedures for the treatment of pain emanating from the lumbar segmental nerves This procedure is reserved for patients who have failed conservative interventional
treatments
and
in whom open surgical intervention is not an option. the advantages of the radiofrequency lesion method are presented, excellent control of the lesion process using temperature monitoring to quantify the lesion size, prevent boiling, and to
produce
differential destruction of neural tissue. The afferent fibers in the ventral root which are spared by dorsal rhizotomy but nerve fibers with their cells in the ganglion from eigher dorsal or ventral root can be destructed with stereotactic
radiofrequency ganglionotomy.
This technique is performed using a 100 mm cannula with a 5 mm active tip. Repeated lateral fluoroscopic view should be taken to make sure that canlua still resides within the superior, dorsal quadrant or the foramen. With the cannula in this
position,
electrostimulation is performed and good paresthesia on the leg should be noted with 0.3 and 0.5 volt at 50 Hz stimulation. At 2Hz stimulation distinct dissociation between motor and sensory should be shown.
Percutaneous lumbar ganglionotomy have carried out under local anesthesia on inpatient basis in 6 patients. A series of 5 patients with metastatic cancer pain and a patient with compression fracture have been relieved of pain without serious
complications.
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KEYWORD
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