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  • Title: A nonradiographic system for assessing pressure for the Codman-Hakim Programmable Valve.
    Author: Bailey NO, Luciano M, Ward MV, Lilienfeld S, Anderson WN, Black P.
    Journal: Neurosurgery; 2010 Sep; 67(3 Suppl Operative):ons96-100; discussion ons100-1. PubMed ID: 20679942.
    Abstract:
    BACKGROUND: The Codman-Hakim Programmable Valve is widely used in shunting hydrocephalus and other conditions. OBJECT: To establish an accurate valve verification system for the Codman-Hakim programmable valve that does not require radiographic exposure. METHODS: Prospective clinical trial tested a new valve verification system at 9 research sites. RESULTS: The Valve Programming and Verification System allowed us to establish the valve setting in 62% of subjects with a programmable valve. CONCLUSION: The Valve Programming and Verification System avoids radiation exposure, is cost-effective, and time efficient for the patient and provider. In approximately one third of subjects, those in whom "adjustment complete" is not achieved, cranial radiographs are still needed.
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