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[Quantitative volumetric determinations on MR tomograms in communicating hydrocephalus]
J H Langkowski1, S G Palmié, H von Koschitzky
1Radiologische Klinik des UKE, Abt. Röntgendiagnostik, Philips GmbH Forschungslaboratorium, Hamburg.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|February 1, 1989
Summary
Cardioventricular shunts treat hydrocephalus, but success varies. New computer analysis of MRI scans shows periventricular edema volume correlates with cerebrospinal fluid pressure, aiding treatment decisions.
Area of Science:
- Neurosurgery
- Radiology
- Medical Imaging Analysis
Context:
- Communicating hydrocephalus treatment often involves cardioventricular shunts.
- Shunt implantation success is limited by problematic indications.
- Periventricular edema and clinical signs are key indicators for shunt surgery.
Purpose:
- To evaluate the correlation between periventricular edema and cerebrospinal fluid (CSF) pressure.
- To assess the utility of a new computer program for volumetric analysis of the ventricular system and edema.
- To improve patient selection and valve selection for shunt implantation.
Summary:
- A novel computer program was used to estimate ventricular and periventricular edema volumes from T2-weighted MR images (1.5 tesla) in six hydrocephalus patients.
- Volume quotients were correlated with CSF pressure measurements obtained during surgery and lumbar punctures.
- A significant correlation was identified between the volume of periventricular edema and measured CSF pressure.
Impact:
- Provides objective criteria for shunt implantation in hydrocephalus.
- Enhances selection of appropriate shunt valves based on edema volume.
- Potential to improve surgical outcomes and reduce shunt failure rates.