Computer simulation of temperature distributions in the human heart during cryoablation
Keywords:
cryoablation, computer simulation, heart tissue, thermoelectric coolingAbstract
The work presents a computer simulation of the temperature distribution in human cardiac tissue during the cryoablation procedure, taking into consideration thermophysical processes, in particular, blood circulation, heat exchange, metabolic processes, and phase transition. Using the Comsol Multiphysics computer programme and the finite element method, the dependence of the depth of cardiac tissue freezing on the cooling time was determined. Temperature distributions in different layers of the heart at different cooling temperatures of the working tool were obtained. The simulation results can be used to optimize cryoablation parameters in order to increase its efficiency and safety. Bibl. 35, Figs. 7, Tabl 1.
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