Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ventricular anatomy and shunt catheters.

B A Kaufman1, T S Park

  • 1St. Louis Children's Hospital, Washington University School of Medicine, St. Louis, Mo., USA. kaufman@kids.wustl.edu

Pediatric Neurosurgery
|November 5, 1999
PubMed
Summary

Shunt catheter placement in the ventricle has limited space, potentially leading to blockage by brain tissues. Adjusting catheter design may prevent future shunt occlusions.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Selective Dorsal Rhizotomy For Treatment of Spasticity After Hemispherectomy In Children: A Case Report.

Cureus·2023
Same author

Selective Dorsal Rhizotomy for Treatment of Hereditary Spastic Paraplegia-Associated Spasticity in 37 Patients.

Cureus·2021
Same author

Parent-Reported Outcomes of Early Childhood Selective Dorsal Rhizotomy for the Treatment of Spastic Diplegia.

Cureus·2021
Same author

Selective Dorsal Rhizotomy for the Treatment of Spastic Hemiplegic Cerebral Palsy.

Cureus·2020
Same author

Selective Dorsal Rhizotomy for the Treatment of Spastic Triplegic Cerebral Palsy.

Cureus·2020
Same author

Distinctive patterns of pulmonary function change according to baseline lung volume and diffusing capacity.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2020

Area of Science:

  • Neurosurgery
  • Biomedical Engineering
  • Radiology

Background:

  • Shunt malfunction, particularly proximal catheter occlusion by choroid plexus or ependymal tissue, is a significant clinical challenge.
  • Understanding intraventricular space is crucial for optimizing shunt placement and preventing complications.

Purpose of the Study:

  • To quantify the available intraventricular distances for standard shunt catheter placement.
  • To compare these distances with the dimensions of current ventricular catheter inlets.

Main Methods:

  • Magnetic resonance imaging (MRI) was used to measure intraventricular dimensions in 52 normal subjects (1 month to 20 years).
  • Measurements included anterior and posterior trajectories for standardized and maximum catheter lengths.
  • Dimensions were compared to the proximal inlet lengths of standard ventricular catheters (1.6-2.4 cm).

Main Results:

  • Intraventricular lengths varied by trajectory, with maximum lengths ranging from 1.7 cm (anterior) to 3.1 cm (posterior).
  • Standard shunt placement variations did not significantly alter the available intraventricular catheter length.
  • Current catheter inlets (1.6-2.4 cm) may overlap with or exceed available intraventricular space, regardless of placement approach.

Conclusions:

  • It may be impossible to consistently place standard ventricular catheters away from obstructive tissues (choroid plexus, ependyma) due to limited intraventricular space.
  • This limitation could explain similar proximal occlusion rates across different shunt placements.
  • Future research should correlate shunt occlusion with ventricular size and consider redesigning catheters with shorter inlet distances (e.g., 1.0 cm).

Related Experiment Videos