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KMID : 0361620150500030215
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Journal of the Korean Orthopaedic Association
2015 Volume.50 No. 3 p.215 ~ p.224
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Percutaneous Epidural Neuroplasty
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Moon Sang-Ho
Kim Han-Sik
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Abstract
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Interventional pain management by percutaneous epidural neuroplasty (PEN) has potential as a useful treatment method in chronic low back and/or radicular pain that is refractory to other conservative treatments. The effect of PEN is known to result from targeting of drug delivery to areas of pathology in the spinal epidural space. The procedure involves removing barriers, such as epidural fibrosis, that prevent drug from reaching target sites. Therefore, the goal during lysis of epidural adhesions is to penetrate mechanical barriers impeding injected material from spreading effectively into the areas of pathology in the epidural space by the catheter. An additional lavage effect, reducing the local concentration of proinflammatory substances seems possible. Although a true mechanical lysis of postsurgical adhesions or scar tissues by means of PEN appears to be impossible because it has been proven by experimental biomechanical study, mild to moderate adhesions may be broken up by a PEN catheter allowing the medications to reach the target site through the new channel made by the catheter. This review will focus on the adhesiolysis technique using the sacral hiatus approach in treatment of chronic low back pain with/without lumbosacral radiculopathy.
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KEYWORD
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low back pain, percutaneous epidural neuroplasty, catheters
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