Document Detail


A simple and consistent technique for ventricular catheter insertion using a tripod.
MedLine Citation:
PMID:  22244253     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: For long-term preservation of ventriculo-peritoneal (VP) shunt function, it is essential to place the ventricular catheter tip above the foramen of Monro. But the free-hand technique for ventricular catheter passage is not consistent. METHODS: Supposing that a convex of skull matches to a sphere, in which the foramen of Monro is the center, a perpendicular direction from the surface of the sphere to inside always directs toward the center. The authors identified the range of skull where corresponded to the sphere by magnetic resonance imaging assessment and utilized tripod to achieve exactly perpendicular insertion of ventricular catheter. And an optimal length of catheter insertion was investigated by navigation system. RESULTS: The anterior-posterior range of the spherical portion was from coronal suture to 20mm anterior, and the lateral range of it was between 15 and 35mm lateral from sagittal suture. The optimal catheter length for insertion was between 55 and 58mm from the brain surface. Ideal placement of a ventricular catheter tip was achieved in more than 90% of cases (31/34) with this technique. CONCLUSION: Tripod-guided ventricular catheter insertion is a simple and reliable method for VP shunt at any angle of head-rotation.
Authors:
Shoko Merrit Yamada; So Yamada; Yoshiaki Goto; Hiroshi Nakaguchi; Mineko Murakami; Katsumi Hoya; Akira Matsuno
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-11
Journal Detail:
Title:  Clinical neurology and neurosurgery     Volume:  -     ISSN:  1872-6968     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7502039     Medline TA:  Clin Neurol Neurosurg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Department of Neurosurgery, Teikyo University Chiba Medical Center, 3426-3 Anesaki, Ichihara-city, Chiba-Prefecture 299-0111, Japan.
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