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Catheter Cardiovasc Interv. 2013 Jul 1;82(1):85-92. doi: 10.1002/ccd.24731. Epub 2013 Mar 2.

Long-term clinical outcomes after percutaneous coronary intervention for chronic total occlusions in elderly patients (≥75 years): five-year outcomes from a 1,791 patient multi-national registry.

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  • 1Academic Medical Center, University of Amsterdam, The Netherlands.



To investigate procedural success rates and long-term clinical outcome of percutaneous coronary intervention (PCI) for chronic total occlusions (CTO) in elderly patients.


Little is known about procedural success and long-term clinical outcome of PCI for CTO in the elderly.


A total of 1,791 consecutive patients with 1,852 CTO underwent PCI at three large centers in USA, Italy, and South Korea. Outcomes included procedural success and major adverse cardiac events (MACE, composite of mortality, myocardial infarction, or coronary artery bypass graft surgery [CABG]).Time-to-event analyses were performed using Kaplan-Meier statistics, and the log-rank statistic was used to test for differences between patients aged ≥75 and patients aged <75 years.


Two hundred and thirteen patients (12%) were aged ≥75 years. Procedural success rates were similar in elderly patients compared with patients <75 years (63.8% vs. 69.1%, P = 0.12). Median follow-up was 890 days (IQR: 380-1,480 days). MACE rates after successful versus failed PCI were 25.8% versus 42.3% in the elderly (P = 0.02) and 11.2 versus 20.8% in younger patients (P < 0.01). In elderly patients, this reduction in MACE after successful PCI was mainly driven by a reduction in CABG (0.0% vs. 20.4%, P < 0.01), there were no significant differences in terms of mortality (19.6% vs. 24.6%, P = 0.13) or MI (11.5% vs. 8.0%, P = 0.87).


CTO PCI in patients ≥75 years has similar success as in patients <75 years. In elderly patients undergoing CTO PCI, MACE rates were relatively high but successful revascularization is associated with a reduction in MACE at 5-year follow-up in both elderly and younger patients.

Copyright © 2013 Wiley Periodicals, Inc.

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