Changes in the specific absorption rate (SAR) of radiofrequency energy in patients with retained cardiac leads during MRI at 1.5 T and 3 T

PURPOSE: To evaluate the local SAR and heating around retained cardiac leads during MRI at 64 MHz (1.5 T) and 127 MHz (3 T) as a function of RF coil type and imaging landmark. MATERIALS AND METHODS: Numerical models of retained cardiac leads were built from CT and X-ray images of six patients with r...

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Vydáno v:Magn Reson Med
Hlavní autoři: Golestanirad, Laleh, Rahsepar, Amir Ali, Kirsch, John E, Suwa, Kenichiro, Collins, Jeremy C., Angelone, Leonardo M., Keil, Boris, Passman, Rod S., Bonmassar, Giorgio, Serano, Peter, Krenz, Peter, DeLap, Jim, Carr, James C., Wald, Lawrence L.
Médium: Artigo
Jazyk:Inglês
Vydáno: 2018
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On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC6258273/
https://ncbi.nlm.nih.gov/pubmed/29893997
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/mrm.27350
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