Document Detail


A novel radiofrequency thermocoagulation method for treatment of lower back pain: thermal conduction after instillation of saline solution into the nucleus pulposus--preliminary results.
MedLine Citation:
PMID:  18618349     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Radiofrequency heating of the intervertebral disc has been proposed for the treatment of chronic low back pain using two methods: a flexible needle inserted into the annulus fibrosus achieving a full 360 degrees penetration, or a rigid needle inserted into the nucleus pulposus. The first technique is effective on pain, but the clinical benefit of the second is uncertain.
PURPOSE: To evaluate a technique for radiofrequency heating of the lumbar intervertebral disc by a needle placed into the nucleus pulposus.
MATERIAL AND METHODS: The method was tested in 17 patients according to the criteria used in previous intradiscal radiofrequency studies. Before and after treatment, disability was assessed by the Oswestry disability score. A pain reduction of at least 50% was considered a success.
RESULTS: Fifteen patients were responders at 1 month (88%), nine at 3 months (53%), and 12 at 6 months (70.6%). No complications were observed.
CONCLUSION: A new method of providing discal radiofrequency treatment for lower back pain had a substantial clinical benefit in 71% of the observed patients. A prospective study comparing this new method with placebo should be conducted to confirm these initial results.
Authors:
N Azulay; M Forgerit; E G Alava; A Deplas; R Vialle; S Ragot; J-P Tasu
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  Acta radiologica (Stockholm, Sweden : 1987)     Volume:  49     ISSN:  1600-0455     ISO Abbreviation:  Acta Radiol     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-09-17     Completed Date:  2008-10-15     Revised Date:  2011-01-14    
Medline Journal Info:
Nlm Unique ID:  8706123     Medline TA:  Acta Radiol     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  934-9     Citation Subset:  IM    
Affiliation:
Department of Radiology, Saint Joseph Hospital, Paris, France.
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MeSH Terms
Descriptor/Qualifier:
Adult
Catheter Ablation / methods*
Cohort Studies
Female
Follow-Up Studies
Humans
Intervertebral Disk / surgery*
Low Back Pain / surgery*
Male
Middle Aged
Pain Measurement / methods,  statistics & numerical data
Retrospective Studies
Sodium Chloride / administration & dosage*
Surgical Procedures, Minimally Invasive / methods
Thermal Conductivity
Chemical
Reg. No./Substance:
7647-14-5/Sodium Chloride

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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