fig2
![The hybrid algorithm for chronic total occlusions](https://image.oaes.cc/7636cee6-efa5-41b4-a0c2-986d38ba1998/3192.fig.2.jpg)
Figure 2. Illustrative representation of the hybrid algorithm. It is important to highlight the possibility to switch from one technique to the other if the previous technique is in failure mode. ADR: antegrade dissection and re-entry; RDR: retrograde dissection and re-entry