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J Tehran Heart Cent. 2011 Summer;6(3):143-7. Epub 2011 Aug 31.

Outcomes of percutaneous coronary intervention on saphenous vein graft and native coronary vessels.

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  • 1Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.



The optimal target for revascularization in patients with history of coronary artery bypass graft surgery (CABG) is unclear. This study was designed to compare the outcome of percutaneous coronary intervention (PCI) on saphenous vein grafts (SVG) and that on native vessels in patients with previous CABG in terms of major adverse cardiac events (MACE).


The study drew upon data on consecutive patients hospitalized for PCI and MACE rate during a nine-month follow-up period. The patients were divided according to the target vessel for PCI into two groups: SVG and native vessel.


Between 2003 and 2007, 226 patients underwent PCI 6.57 ± 4.55 years after CABG. Their mean age was 59.52±9.38 years, and 176 (77.9%) were male. PCI was performed on the SVG in 63 (27.9%) patients and on the native coronary artery in the rest. During a nine-month follow-up period, 9 (4%) patients suffered MACE; the prevalence of MACE was not significantly different between the SVG group (4.8%) and the native vessel group (4.9%), (p value = 0.999).


PCI on grafted and native vessels did not affect MACE in patients undergoing PCI after CABG.


Angioplasty; Coronary artery bypass; Coronary vessels; Saphenous vein; balloon; coronary

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