Document Detail


Neuroanatomical and cranial geometry of the frontal horn of the lateral ventricle.
MedLine Citation:
PMID:  18638837     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
In common practice ventricular catheterisation is dependent on accurate targeting of the lateral ventricles from external cranial landmarks. A ventricular catheter guide has been developed for rapid and accurate placement of ventricular catheters using a percutaneous technique and a narrow twist drill. Correct intraventricular placement is dependent on the width of the lateral ventricle and its distance from the midline, as well as depth from the cranial surface. In the present report data is presented obtained from coronal MRI studies describing the relationship between ventricular anatomy and cranial geometry. Within the frontal quadrant the centre of the frontal horn projection to the cranial surface where right angle intersection with the ventricle occurs is 3.28 cm (standard deviation, s.d. = 0.26) from the midline, at which point the mean depth from skin surface to the frontal horn is 5.97 cm (s.d. = 0.21). Optimal criteria for frontal ventriculostomy therefore comprises ventricular catheter passage at right angles to the scalp, approximately 3 cm from the midline to a depth of 6 cm from the skin where ventricular CSF should be encountered.
Authors:
A R Aitken
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia     Volume:  2     ISSN:  0967-5868     ISO Abbreviation:  J Clin Neurosci     Publication Date:  1995 Oct 
Date Detail:
Created Date:  2008-07-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9433352     Medline TA:  J Clin Neurosci     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  329-32     Citation Subset:  -    
Affiliation:
Tasmanian Neurosurgical Unit, Royal Hobart and Calvary Hospitals, Hobart, Tasmania, Australia.
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