From: External stenting of vein grafts in coronary artery bypass grafting: interim results from a two centers prospective study
# of patients
# of vein grafts
SVG Patency rate at 1 year (%)
Desai et al. (2004) [14]
440
86.4
Goldman et al. (2004) [15]
799
84
PREVENT IV (2005) [16]
951
2242
73.5
Cho et al. (2006) [17]
109
227
82.4
Kim et al. (2008) [18]
349
121
76
Shroyer et al. (2009) [19]
685
1262
Off-pump
76.6
686
1339
On-pump
83.8
