Does Prior Percutaneous Coronary Intervention Adversely Affect Early and Mid-Term Survival After Coronary Artery Surgery?
Cheng-Hon Yap, MBBS, MS*, ,*,
Bryan P. Yan, MBBS*, ,
Enoch Akowuah, MD ,
Diem T. Dinh, BSc, PhD*,
Julian A. Smith, MBBS, MS , ,
Gilbert C. Shardey, MBBS ,
James Tatoulis, MBBS, MD ,
Peter D. Skillington, MBBS ,
Andrew Newcomb, MBBS#,
Morteza Mohajeri, MBBS**,
Adrian Pick, MBBS||,
Siven Seevanayagam, MBBS¶,
Christopher M. Reid, BA, MSc, PhD*
* Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia
Department of Surgery, Monash University, Victoria, Australia
Cardiothoracic Surgery Unit, Monash Medical Centre, Victoria, Australia
Department of Cardiothoracic Surgery, Royal Melbourne Hospital, Melbourne, Australia
|| Cardiothoracic Surgery Unit, Alfred Hospital, Melbourne, Australia
¶ Cardiothoracic Surgery Unit, Austin Hospital, Melbourne, Australia
# Cardiothoracic Care Centre, St Vincent's Hospital, Melbourne, Australia
** Cardiothoracic Surgery Unit, Geelong Hospital, Victoria, Australia
 Department of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong, China

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Figure 1 Unadjusted Survival Post-CABG With and Without Prior PCI
At a mean patient follow-up of 3.3 ± 2.1 years, survival was higher in the PCI group than in the non-PCI group (1 year: 97.3% vs. 96.5%, 3 years: 94.4% vs. 93.2%, and 5 years: 91.1% vs. 87.7%; log-rank test: p = 0.013). CABG = coronary artery bypass graft surgery; PCI = percutaneous coronary intervention.
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Figure 2 Adjusted Survival Post-CABG With and Without Prior PCI
After adjusting for patient characteristics, prior PCI was not an independent predictor of mid-term mortality (hazard ratio: 0.94, 95% CI: 0.75 to 1.18, p = 0.62). Abbreviations as in Figure 1.
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