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Table 3 Maximum Specific Absorption Rate (Watts/kg)1 Values represent the maximum specific absorption rate (SAR) attained in tissue for the computational models.

From: Thermal modeling of lesion growth with radiofrequency ablation devices

Source Voltage (Volts) 0%2 Perfusion (0.0 × 10-3 mb 3/mt 3/s) 20%2 Perfusion (1.3 × 10-3 mb 3/mt 3/s) 40%2 Perfusion (2.6 × 10-3 mb 3/mt 3/s) 60%2 Perfusion (3.8 × 10-3 mb 3/mt 3/s) 80%2 Perfusion (5.1 × 10-3 mb 3/mt 3/s) 100%2 Perfusion (6.4 × 10-3 mb 3/mt 3/s)
2.5 645.6 645.3 645.1 644.9 644.8 644.8
5.0 2608 2603 2600 2598 2596 2595
7.5 5966 5940 5924 5912 5903 5896
10.0 10850 10770 10720 10680 10650 10630
12.5 17450 17260 17120 17030 16950 16900
15.0 26030 25620 25330 25120 24970 24860
17.5 36940 36140 35600 35190 34900 34680
20.0 50590 49180 48230 47480 47000 46620
22.5 67470 65210 63520 62510 61610 60990
25.0 88170 84890 82360 80440 78940 77910
27.5 113300 108900 105300 102400 100100 98390
30.0 143400 137700 133000 129000 125700 123000
  1. 1 – The maximum current density was always located at the tip of the ablation probe. Therefore, all values listed above are comparable with each other; 2 – The units for tissue perfusion are cubic meters of blood (mb 3) per cubic meter of tissue (mt 3) per second.
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