• Tariq Shakoor
  • Nadeem Hayat Mallick
  • Ahmad Noeman


Background: Patients who develop recurrent myocardial ischemia after coronary artery bypass graft(CABG) surgery are often referred for percutaneous coronary intervention. The objective of thisstudy was to evaluate the clinical characteristics and peri-procedural outcomes in patients with priorCABG referred for percutaneous coronary intervention (PCI) over a 3 year period. Methods: Datawere collected on patients who underwent coronary interventional procedures following CABGsurgery. We evaluated angiographic procedural success and immediate outcome among patients whohad undergone such procedures from Nov 2006 to Oct 2009 (n=113). Results: Patients in the 2006–2009 cohort had mean age 58.2 years, more patients were male (109 vs 4) and were more likely tohave hypertension (57.5%), hyperlipidaemia (72.6%) and family history of ischemic heart disease(IHD) (65.5%), but less likely to have smoking (42.5%). Acute closure of stent leading to proceduralfailure was seen in 1 (0.9%) patient, sub-acute thrombosis of stent was seen in 1 (0.9%) patient,dissection or perforation of target vessel was seen in 3 (2.7%) and 1 (0.9%) patients respectively.Slow flow phenomenon was seen in 13 (11.5%) and post-procedural cardiac enzymes were raised in6 (5.3%) patients. Conclusion: Success rates of saphenous vein graft (SVG) intervention andsurvival rate have improved with time as a result of improvements in technique and greater use ofstents, filter devices and adjunctive medications.Keywords: Percutaneous coronary intervention, saphenous vein graft, Ischemic heart disease, IHD


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