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Previous Volume 350:87-88 January 1, 2004 Number 1 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: In their letter to the editor, Doorenbos et al. (Aug. 21 issue)¹ describe seven cases of severe pseudohypocalcemia after gadolinium-enhanced magnetic resonance angiography with the use of gadodiamide. Their report represents an important warning to all physicians, especially since such laboratory interference can occur after any gadodiamide-enhanced magnetic resonance imaging (MRI) examination. Gadodiamide and gadoversetamide are the two gadolinium chelates known to interfere with the colorimetric methods of measuring serum calcium used in most hospitals.^2,3,4,5 However, five other gadolinium contrast agents do not show this interference: gadopentetate dimeglumine (Magnevist) and gadoteridol (ProHance), which are widely used in . . . [Full Text of this Article]

Related Letters:

Severe Pseudohypocalcemia after Gadolinium-Enhanced Magnetic Resonance Angiography
Doorenbos C. J., Ozyilmaz A., van Wijnen M.
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N Engl J Med 2003; 349:817-818, Aug 21, 2003. Correspondence

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• Kane, G. C., Stanson, A. W., Kalnicka, D., Rosenthal, D. W., Lee, C. U., Textor, S. C., Garovic, V. D. (2008). Comparison between gadolinium and iodine contrast for percutaneous intervention in atherosclerotic renal artery stenosis: clinical outcomes. Nephrol Dial Transplant 23: 1233-1240 [Abstract] [Full Text]  
• Decupere, M., Ooms, V., Oyen, R., Kuypers, D. R. J., Claes, K. (2005). Artifactual hypocalcaemia after intravenous administration of gadodiamide (Omniscan(R)). Nephrol Dial Transplant 20: 1516-1517 [Full Text]