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Table 3 Intraoperative interventions in the right coronary system

From: Perioperative observations of different bypass modes of a right coronary system based on instantaneous blood flow during the operation

  Group Frequency Percentage(%)
Bypass method Single bypass (Group A) 187 71.9
Right crown sequential group (Group B) 43 16.5
Sequential group with other systems (Group C) 30 11.5
In total 260 100
Right crown bypass material selection Great saphenous vein 286 92.3
Radial artery 17 5.5
Internal mammary artery 6 1.9
Mix bypassa 1 0.3
In total 310 100
Right coronary target vessel site Right crown trunk 90 29.1
Post-fall 147 47.6
Posterior left ventricular branch 72 23.3
In total 309 100
Coronary CT bypass occlusion in the week after operation Single bypass group 11b 91.7
Sequential Group 0 0
Sequential group with other systems 1 8.3
In total 12  
  1. aThe hybrid graft is the posterior branch anastomosis after the right internal mammary artery is connected to the saphenous vein;
  2. bOf the 11 cases, 4 were poorly developed, 4 were occluded (grade O), 1 was moderate to severe stenosis (grade B), and 2 were moderately stenotic (grade B)