Fast Whole-Body Temperature Estimation for Real-Time MRI Safety Assurance
Giuseppe Carluccio 1 and Christopher Michael Collins 1
Bernard and Irene Schwartz Center for
Biomedical Imaging, New York University School of
Medicine, New York, New York, United States
A method to quickly estimate the temperature increase by
SAR absorption through the entire MRI exam. Using the
linearity of the bioheat equation, the method convolves
the precalculated temperature responses of the body
tissues with the sequence of SAR segments applied during
the exam. The predicted temperature distribution has
been compared with the one obtained with a full Finite
Difference Method solving the Pennes bioheat equation.
The difference in the maximum temperature between the
two methods was less than 1%, but in a computation time
more than 30 times shorter.
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