The effects of iodinated CT contrast agent on phosphorus MRS
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Synopsis Contrast-enhanced CT examination can influence H-MRI measurements performed within 24h after the CT scan, due to a reduction in water T and T caused by the iodinated contrast agents used in CT. We have investigated whether contrast from a previous CT examination would also influence metabolic measurements made using P-MRS, by measuring the T of H and P signals in human blood. We find that iodinated CT contrast agent has no effect on phosphorus T s. Therefore, P-MRS examinations will not be influenced by prior CT (unlike H-MRI scans).
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ISMRM 2018
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Wellcome Trust (Unknown)
We acknowledge financial support from the British Heart Foundation (FS/10/002/28078; FS/14/17/30634; RG/11/9/28921), a Sir Henry Dale Fellowship from the Wellcome
Trust and the Royal Society (098436/Z/12/Z), a Novo Nordisk Foundation Postdoctoral Research Fellowship and from the Slovak Grant Agencies VEGA (2/0001/17) and APVV
(15-0029).