Document Detail


Instrumentation for epidural anesthesia.
MedLine Citation:
PMID:  18044656     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A low-cost, sterilizable and unobtrusive instrumentation device was developed to quantify and study the loss-of-resistance technique in epidural anesthesia. In the porcine study, the rapid fall of the applied force, plunger displacement and fluid pressure, and the oral indication of the anesthesiologists were shown to be consistent with the loss-of-resistance. A model based on fluid leakage was developed to estimate the pressure from the force and displacement measurements, so that the pressure sensor could be omitted in human studies. In both human (in vivo) and porcine (in vitro) subjects, we observed that the ligamentum flavum is less amenable to saline injection than the interspinous ligament.
Authors:
King-Wei Hor; Denis Tran; Allaudin Kamani; Vickie Lessoway; Robert Rohling
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention     Volume:  10     ISSN:  -     ISO Abbreviation:  Med Image Comput Comput Assist Interv     Publication Date:  2007  
Date Detail:
Created Date:  2007-11-29     Completed Date:  2008-01-03     Revised Date:  2009-12-11    
Medline Journal Info:
Nlm Unique ID:  101249582     Medline TA:  Med Image Comput Comput Assist Interv     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  918-25     Citation Subset:  IM    
Affiliation:
Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada. kingh@ece.ubc.ca
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MeSH Terms
Descriptor/Qualifier:
Analgesia, Epidural / instrumentation*,  methods
Animals
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Humans
Injections, Spinal / instrumentation*,  methods
Manometry / instrumentation*,  methods
Pressure
Swine
Ultrasonography / instrumentation*,  methods

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


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