Document Detail

Diathermy testing: a novel method with electric knife stimulation to avoid nerve injuries during lumbar pedicle screw placement. Technical note.
MedLine Citation:
PMID:  17542518     Owner:  NLM     Status:  MEDLINE    
The purpose of this retrospective study was to demonstrate the utility of diathermy in avoiding nerve injuries due to misplacement of lumbar pedicle screws (PSs). The authors used diathermy to assess whether a screw deviated from the pedicle by observing synchronous leg movements caused by intermittently touching an electric knife to the pedicular instrument. Diathermy was performed in 259 cases in which 1301 PSs had been placed. Leg movements were observed in 36 cases, and the sensitivity of diathermy was 85.7%, with a specificity of 99.5%. No neurological complications associated with the placement of PSs were observed after adding diathermy testing to conventional methods. Diathermy testing may be a way to avoid nerve injuries during lumbar PS placement.
Takashi Yamazaki; Ko Matsudaira
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of neurosurgery. Spine     Volume:  6     ISSN:  1547-5654     ISO Abbreviation:  -     Publication Date:  2007 May 
Date Detail:
Created Date:  2007-06-04     Completed Date:  2007-06-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101223545     Medline TA:  J Neurosurg Spine     Country:  United States    
Other Details:
Languages:  eng     Pagination:  479-84     Citation Subset:  IM    
Department of Orthopedics, Musashino Red Cross Hospital, Tokyo, Japan.
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MeSH Terms
Bone Screws* / adverse effects
Iatrogenic Disease / prevention & control*
Lumbar Vertebrae / radiography,  surgery*
Retrospective Studies
Spinal Cord Injuries / prevention & control*
Spinal Fusion / instrumentation*
Treatment Outcome

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

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