Posterior ventricular catheter burr-hole localizer. Technical note.

Abstract:

:Proper ventricular catheter placements are associated with improved shunt performance. When placing ventricular catheters via the posterior approach, the surgeon must determine an optimum trajectory and then pass a catheter along that trajectory. The incidence of optimal posterior catheter placements is increased by using a posterior catheter guide (PCG); however, errors may still occur because of poor selection of a posterior burr-hole site. In this report an easy-to-use posterior burr-hole localizer (Localizer) is described that defines the optimum burr-hole location based on geometric relationships involving the ear and supraorbital rims. The basic design principle of the Localizer was formulated and tested by using neuronavigational imaging tools to examine normal adult ventricular anatomy in relation to surface landmarks and by reviewing imaging studies obtained in 50 adult patients with hydrocephalus. Subsequently, the Localizer was used in 28 consecutive patients scheduled to undergo shunt surgery performed by using the PCG. In all cases the catheter entered the ventricle on the first pass and postoperative imaging studies demonstrated successful placement in the ipsilateral anterior horn. There were no catheter-related complications. These early results indicate that the Localizer and PCG devices may be safe and effective when used in combination for placement of posterior ventricular catheters.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Garell PC,Mirsky R,Noh MD,Loftus CM,Hitchon PW,Grady MS,Dacey RG,Howard MA 3rd

doi

10.3171/jns.1998.89.1.0157

subject

Has Abstract

pub_date

1998-07-01 00:00:00

pages

157-60

issue

1

eissn

0022-3085

issn

1933-0693

journal_volume

89

pub_type

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