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Correspondence
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Volume 354:531-532 February 2, 2006 Number 5
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Magnetic Resonance Imaging and Cerebrospinal Fluid Valves

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To the Editor: We are concerned that Dr. Akbar and his colleagues, as reported in their letter to the editor (Sept. 29 issue),1 used explanted cerebrospinal fluid shunt valves in their study of the susceptibility of these valves to malfunctions when exposed to magnetic fields as part of a magnetic resonance imaging (MRI) examination. Explanted valves contain biomaterials that are likely to change properties once the valve is explanted, which could affect valve function.

The 12 explanted Codman-Medos valves, removed from June 1998 to May 2004, were kindly returned to us by Dr. Akbar and colleagues. The valves were placed . . . [Full Text of this Article]


Related Letters:

Magnetic Resonance Imaging and Cerebrospinal Fluid Shunt Valves
Akbar M., Stippich C., Aschoff A.
Extract | Full Text | PDF  
N Engl J Med 2005; 353:1413-1414, Sep 29, 2005. Correspondence


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