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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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| Udgivet i: | Magn Reson Med |
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| Main Authors: | , , , , , , , , , , , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2018
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| Fag: | |
| Online adgang: | 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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