利用空间滤波器来近似热传导效应的方法，快速计算组织中的温度变化。
An approach to rapid calculation of temperature change in tissue using spatial filters to approximate effects of thermal conduction.
机构信息
Department of Radiology, New York University, New York, NY 10016, USA.
出版信息
IEEE Trans Biomed Eng. 2013 Jun;60(6):1735-41. doi: 10.1109/TBME.2013.2241764. Epub 2013 Jan 22.
Abstract
We present an approach to performing rapid calculations of temperature within tissue by interleaving, at regular time intervals, 1) an analytical solution to the Pennes (or other desired) bioheat equation excluding the term for thermal conduction and 2) application of a spatial filter to approximate the effects of thermal conduction. Here, the basic approach is presented with attention to filter design. The method is applied to a few different cases relevant to magnetic resonance imaging, and results are compared to those from a full finite-difference (FD) implementation of the Pennes bioheat equation. It is seen that results of the proposed method are in reasonable agreement with those of the FD approach, with about 15% difference in the calculated maximum temperature increase, but are calculated in a fraction of the time, requiring less than 2% of the calculation time for the FD approach in the cases evaluated.
摘要
我们提出了一种通过交错执行以下步骤来快速计算组织内温度的方法
1）排除热传导项的 Pennes（或其他所需）生物热方程的解析解，2）应用空间滤波器来近似热传导的影响。在这里，我们主要关注滤波器的设计。该方法应用于与磁共振成像相关的几个不同情况，并将结果与 Pennes 生物热方程的完全有限差分（FD）实现进行比较。结果表明，所提出方法的结果与 FD 方法的结果基本一致，计算得到的最大温升差异约为 15%，但计算时间却大大缩短，在评估的情况下，所需时间不到 FD 方法的 2%。
相似文献
1
An approach to rapid calculation of temperature change in tissue using spatial filters to approximate effects of thermal conduction.利用空间滤波器来近似热传导效应的方法，快速计算组织中的温度变化。
IEEE Trans Biomed Eng. 2013 Jun;60(6):1735-41. doi: 10.1109/TBME.2013.2241764. Epub 2013 Jan 22.
2
Radiofrequency heating induced by 7T head MRI: thermal assessment using discrete vasculature or Pennes' bioheat equation.7T 头 MRI 诱导的射频加热：使用离散脉管系统或彭内斯生物传热方程进行热评估。
J Magn Reson Imaging. 2012 Apr;35(4):795-803. doi: 10.1002/jmri.22878. Epub 2011 Nov 8.
3
Bioheat transfer problem for one-dimensional spherical biological tissues.一维球形生物组织的生物传热问题。
Math Biosci. 2015 Nov;269:1-9. doi: 10.1016/j.mbs.2015.08.012. Epub 2015 Sep 1.
4
A revised approach for an exact analytical solution for thermal response in biological tissues significant in therapeutic treatments.一种用于治疗中具有重要意义的生物组织热响应精确解析解的修正方法。
J Therm Biol. 2017 May;66:33-48. doi: 10.1016/j.jtherbio.2017.03.015. Epub 2017 Mar 29.
5
Study of thermal behavior of a biological tissue: an equivalence of Pennes bioheat equation and Wulff continuum model.生物组织热行为研究：彭内斯生物传热方程与沃尔夫连续体模型的等价性。
J Therm Biol. 2014 Oct;45:103-9. doi: 10.1016/j.jtherbio.2014.08.007. Epub 2014 Aug 28.
6
Magnetic resonance temperature imaging validation of a bioheat transfer model for laser-induced thermal therapy.磁共振温度成像验证激光诱导热疗的生物传热模型。
Int J Hyperthermia. 2011;27(5):453-64. doi: 10.3109/02656736.2011.557028.
7
Thermal models for microwave hazards and their role in standards development.微波危害的热模型及其在标准制定中的作用。
Bioelectromagnetics. 1999;Suppl 4:52-63. doi: 10.1002/(sici)1521-186x(1999)20:4+<52::aid-bem8>3.0.co;2-7.
8
A Non-Fourier Bioheat Transfer Model for Cryosurgery of Tumor Tissue with Minimum Collateral Damage.一种用于肿瘤组织冷冻手术且具有最小附带损伤的非傅里叶生物热传递模型。
Comput Methods Programs Biomed. 2021 Mar;200:105857. doi: 10.1016/j.cmpb.2020.105857. Epub 2020 Nov 20.
9
Lattice Boltzmann method for solving the bioheat equation.用于求解生物热方程的格子玻尔兹曼方法。
Phys Med Biol. 2008 Feb 7;53(3):N15-23. doi: 10.1088/0031-9155/53/3/N01. Epub 2008 Jan 14.
10
A parametric study of thermal therapy of skin tissue.皮肤组织热疗法的参数研究。
J Therm Biol. 2017 Jan;63:92-103. doi: 10.1016/j.jtherbio.2016.11.016. Epub 2016 Nov 25.
引用本文的文献
1
Uncertainty Quantification in SAR Induced by Ultra-High-Field MRI RF Coil via High-Dimensional Model Representation.通过高维模型表示对超高场MRI射频线圈引起的比吸收率（SAR）进行不确定性量化
Bioengineering (Basel). 2024 Jul 18;11(7):730. doi: 10.3390/bioengineering11070730.
2
Improved H body imaging at 10.5 T: Validation and VOP-enabled imaging in vivo with a 16-channel transceiver dipole array.在 10.5T 下进行改良的 H 体成像：使用 16 通道收发器偶极子阵列进行体内验证和 VOP 成像。
Magn Reson Med. 2024 Feb;91(2):513-529. doi: 10.1002/mrm.29866. Epub 2023 Sep 13.
3
Simulation-based evaluation of SAR and flip angle homogeneity for five transmit head arrays at 14 T.基于仿真的 14T 五发射头阵列 SAR 和翻转角均匀性评估。
MAGMA. 2023 Apr;36(2):245-255. doi: 10.1007/s10334-023-01067-1. Epub 2023 Mar 31.
4
Bench to bore ramifications of inter-subject head differences on RF shimming and specific absorption rates at 7T.从台架到主体间头部差异对 7T 射频匀场和特定吸收率的影响。
Magn Reson Imaging. 2022 Oct;92:187-196. doi: 10.1016/j.mri.2022.07.009. Epub 2022 Jul 13.
5
High-permittivity pads to enhance SNR and transmit efficiency in MRI of the heart at 7T: a simulation study.7T 心脏 MRI 中提高信噪比和传输效率的高介电常数垫：一项模拟研究。
MAGMA. 2022 Dec;35(6):903-909. doi: 10.1007/s10334-022-01018-2. Epub 2022 May 31.
6
SAR and temperature distributions in a database of realistic human models for 7 T cardiac imaging.7T 心脏成像中真实人体模型数据库中的 SAR 和温度分布。
NMR Biomed. 2021 Jul;34(7):e4525. doi: 10.1002/nbm.4525. Epub 2021 May 6.
7
Temperature-based MRI safety simulations with a limited number of tissues.基于温度的有限数量组织的磁共振成像安全模拟
Magn Reson Med. 2021 Jul;86(1):543-550. doi: 10.1002/mrm.28693. Epub 2021 Feb 5.
8
Individualized SAR calculations using computer vision-based MR segmentation and a fast electromagnetic solver.使用基于计算机视觉的磁共振分割和快速电磁求解器进行个体化比吸收率计算。
Magn Reson Med. 2021 Jan;85(1):429-443. doi: 10.1002/mrm.28398. Epub 2020 Jul 8.
9
Introduction of the snake antenna array: Geometry optimization of a sinusoidal dipole antenna for 10.5T body imaging with lower peak SAR.蛇形天线阵列简介：用于10.5T人体成像且具有较低比吸收率的正弦偶极子天线的几何优化。
Magn Reson Med. 2020 Nov;84(5):2885-2896. doi: 10.1002/mrm.28297. Epub 2020 May 5.
10
Toward whole-cortex enhancement with an ultrahigh dielectric constant helmet at 3T.在 3T 场强下，利用超高介电常数头盔实现全脑皮层增强。
Magn Reson Med. 2020 Mar;83(3):1123-1134. doi: 10.1002/mrm.27962. Epub 2019 Sep 10.
本文引用的文献
1
On the thermal elevation of a 60-electrode epiretinal prosthesis for the blind.关于用于盲人的 60 电极眼内视网膜假体的热升高。
IEEE Trans Biomed Circuits Syst. 2008 Dec;2(4):289-300. doi: 10.1109/TBCAS.2008.2003430.
2
Thresholds for thermal damage to normal tissues: an update.正常组织热损伤阈值：更新。
Int J Hyperthermia. 2011;27(4):320-43. doi: 10.3109/02656736.2010.534527.
3
Fast FFT-based bioheat transfer equation computation.基于快速傅里叶变换的生物传热方程计算。
Comput Biol Med. 2010 Feb;40(2):119-23. doi: 10.1016/j.compbiomed.2009.11.008.
4
Experimental and numerical assessment of MRI-induced temperature change and SAR distributions in phantoms and in vivo.磁共振成像（MRI）在体模和体内引起的温度变化及比吸收率（SAR）分布的实验与数值评估
Magn Reson Med. 2010 Jan;63(1):218-23. doi: 10.1002/mrm.22174.
5
Consideration of physiological response in numerical models of temperature during MRI of the human head.在人类头部磁共振成像（MRI）温度数值模型中对生理反应的考量。
J Magn Reson Imaging. 2008 Nov;28(5):1303-8. doi: 10.1002/jmri.21556.
6
Analysis of tissue and arterial blood temperatures in the resting human forearm.静息状态下人体前臂组织和动脉血温度的分析。
J Appl Physiol. 1948 Aug;1(2):93-122. doi: 10.1152/jappl.1948.1.2.93.
7
Simultaneous B1 + homogenization and specific absorption rate hotspot suppression using a magnetic resonance phased array transmit coil.使用磁共振相控阵发射线圈同时进行B1+均匀化和比吸收率热点抑制
Magn Reson Med. 2007 Mar;57(3):577-86. doi: 10.1002/mrm.21149.
8
Temperature and SAR calculations for a human head within volume and surface coils at 64 and 300 MHz.64兆赫和300兆赫时，人体头部在容积线圈和表面线圈中的温度及比吸收率计算。
J Magn Reson Imaging. 2004 May;19(5):650-6. doi: 10.1002/jmri.20041.
9
Parallel excitation with an array of transmit coils.使用发射线圈阵列进行并行激励。
Magn Reson Med. 2004 Apr;51(4):775-84. doi: 10.1002/mrm.20011.
10
Specific absorption rate and temperature elevation in a subject exposed in the far-field of radio-frequency sources operating in the 10-900-MHz range.在暴露于工作频率范围为10 - 900兆赫兹的射频源远场中的受试者体内的比吸收率和温度升高情况。
IEEE Trans Biomed Eng. 2003 Mar;50(3):295-304. doi: 10.1109/TBME.2003.808809.
Zotero 插件