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The Current State of Left Main Percutaneous Coronary Intervention

  • Coronary Heart Disease (S. Virani and S. Naderi, Section Editors)
  • Published:
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Abstract

Purpose of Review

While coronary artery bypass grafting (CABG) remains the standard of care, advances in stenting technology and procedural technique are changing the role of percutaneous coronary intervention (PCI) in the treatment of severe left main coronary artery (LMCA) disease. We review contemporary evidence comparing PCI and CABG for the treatment of severe LMCA disease, discuss optimal techniques during left main PCI, and provide guidance on studied revascularization strategies within specific patient subgroups.

Recent Findings

Results from randomized control trials of patients treated with PCI or CABG for severe LMCA disease demonstrate comparable short- and mid-term rates of death, myocardial infarction (MI), and stroke, but increased rates of repeat or target-vessel revascularization after PCI. Though extended follow-up data has suggested lower long-term rates of MI and stroke in patients with severe LMCA disease treated with CABG, results from patients undergoing PCI with second-generation drug-eluting stents (DES) demonstrate non-inferiority in these outcomes. These findings are generalizable to patients with severe LMCA disease having low to intermediate anatomic complexity. Intravascular ultrasound and double kissing (DK) crush stenting also reduce adverse event rates among patients undergoing left main PCI and improve long-term outcomes.

Summary

In patients with severe LMCA disease having low to intermediate anatomic complexity, both CABG and PCI with second-generation DES are effective methods of revascularization with comparable long-term rates of death, MI, and stroke. The roles of multi-vessel coronary artery disease and anatomic complexity on long-term outcomes after CABG or PCI for severe LMCA disease remain under investigation.

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  1. Division of Cardiology, Kaiser Permanente San Francisco Medical Center, 2238 Geary Blvd, 8th Floor, San Francisco, CA, 94115, USA

    Harshith R. Avula & Andrew N. Rassi

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Avula, H.R., Rassi, A.N. The Current State of Left Main Percutaneous Coronary Intervention. Curr Atheroscler Rep 20, 3 (2018). https://doi.org/10.1007/s11883-018-0705-2

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