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Updated: Jun 8, 2026
11:12
Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
Published on: October 17, 2013
A nonradiographic system for assessing pressure for the Codman-Hakim Programmable Valve
Nancy Olsen Bailey1, Mark Luciano, Michael V Ward
1Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA.
Neurosurgery
|August 4, 2010
Summary
A new system accurately verifies Codman-Hakim Programmable Valve settings without radiation. This method is efficient, but cranial radiographs may still be needed for about one-third of patients.
Area of Science:
- Neurosurgery
- Medical Device Technology
- Clinical Engineering
Background:
- The Codman-Hakim Programmable Valve is a common device for managing hydrocephalus.
- Accurate valve setting is crucial for effective treatment.
Purpose of the Study:
- To develop and test a non-radiographic system for verifying Codman-Hakim Programmable Valve settings.
- To improve the efficiency and safety of valve adjustment procedures.
Main Methods:
- A prospective clinical trial was conducted across nine research sites.
- A novel Valve Programming and Verification System was evaluated.
Main Results:
- The new system successfully established the valve setting in 62% of subjects with a programmable valve.
- The system offers a radiation-free alternative for valve verification.
Conclusions:
- The Valve Programming and Verification System is cost-effective and time-efficient.
- While beneficial, cranial radiographs remain necessary for approximately one-third of patients requiring adjustment completion.
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