Table 1

Classification of Retrograde Approach

Wire Cross Direction
AntegradeRetrograde
Dilation of CTO before wire cross
 NoKissing wire crossRetrograde wire cross
 YesCARTReverse CART

Draft consensus in Retrograde Summit (Tsuchikane, Ochiai, Sumitsuji).

 CART = controlled antegrade and retrograde tracking; CTO = chronic total occlusion.