 When we had to go back with the AL2 guide, we could see a little bit of staining in the proximal portion of the vessel that we did not notice previously and we felt that the tip of the guide caused a little bit of intimal dissection. 
When we had to go back with the AL2 guide , we could see a little bit of staining in the proximal portion of the vessel that we did not notice previously and we felt that the tip of the guide caused a little bit of intimal dissection .