Skip to main content

Table 1 Transmural isotherm depths and ice volumes for varying interim thawing phase durations

From: Simulation and evaluation of freeze-thaw cryoablation scenarios for the treatment of cardiac arrhythmias

Thaw dur. 1F 1T 2F
(s) -10°C -20°C IV -10°C -20°C IV -10°C -20°C IV
  (mm) (mm) (mm 3 ) (mm) (mm) (mm 3 ) (mm) (mm) (mm 3 )
0 X X X X X X 4.5 3.2 333
5 4.1 3.0 286 3.3 0.6 170 4.4 3.2 326
10 2.5 0.0 94 4.4 3.2 322
15 0.0 0.0 0 4.4 3.2 319
20 4.1 3.0 286 0.0 0.0 0 4.4 3.2 316
  1. Transmural depths of selected isotherms and ice (= tissue below solidus temperature of -10°C) volumes (IV) for ablation protocols with an initial freezing phase of 150 s, an interim thawing duration between 0 s and 20 s, a second freezing phase of 150 s and final rewarming.