Abstract
Background
Most cardiologists performing percutaneous coronary intervention (PCI) with drug-eluting stents (DES) for unprotected left main disease (ULM) mandate mid-term angiographic follow-up, yet there are few data supporting this approach. We aimed to retrospectively compare the outcome of patients with ULM treated with DES according to their follow-up management strategy.
Methods
Patients with ULM stenosis undergoing PCI with DES and surviving up to 6 months were retrospectively identified from our ongoing database. We distinguished those undergoing clinical follow-up only, those with clinically driven angiographic follow-up, and those with routine angiographic follow-up. The primary end-point was the long-term rate of major adverse cardiac events (MACE, i.e., death, myocardial infarction, bypass surgery, or repeat ULM PCI).
Results
A total of 198 patients were included: 55 (28%) in the clinical follow-up group, 64 (32%) in the clinically driven angiographic follow-up group, and 79 (40%) in the routine angiographic follow-up group. After 37.0 ± 15.7 months, mortality was similar in the 3 groups (respectively 7.3, 4.7, and 5.9%, p = 0.27). However, MACE were significantly more common in the clinically driven angiographic follow-up group (42.2 vs. 7.3 and 26.1%, p = 0.02), mainly due to the expected increase in repeat revascularization in those undergoing angiographic follow-up (23.4 vs. 1.8 and 13.14%). Notably, there were no differences in the rate of stent thrombosis across the three groups, with rates of 3.1 vs. 1.8 and 2.5% (p = 0.35).
Conclusions
An expectant management can be safely adopted in most patients with ULM treated percutaneously, as long as a low threshold for control coronary angiography is maintained.
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G. G. L. Biondi-Zoccai and E. Giraudi equally contributed to this work.
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Biondi-Zoccai, G.G.L., Giraudi, E., Moretti, C. et al. Impact of routine angiographic follow-up after percutaneous coronary drug-eluting stenting for unprotected left main disease: the Turin Registry. Clin Res Cardiol 99, 235–242 (2010). https://doi.org/10.1007/s00392-009-0112-3
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DOI: https://doi.org/10.1007/s00392-009-0112-3