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. 2022 Apr 1:352:40-44.
doi: 10.1016/j.ijcard.2022.01.048. Epub 2022 Jan 26.

Single center experience in the treatment of hemodynamically significant diffuse coronary artery disease of the left anterior descending

Konrad A J van Beek  1 , Gijs J van Steenbergen  1 , Fabienne E Vervaat  1 , Bram C J H Mulders  1 , Bart H van Straten  1 , Lokien X van Nunen  2 , Inge F Wijnbergen  1
Affiliations

Single center experience in the treatment of hemodynamically significant diffuse coronary artery disease of the left anterior descending

Konrad A J van Beek et al. Int J Cardiol. .

Abstract

Introduction: To date there are no recommendations on how to treat patients with an FFR positive but diffusely diseased left anterior descending coronary artery (LAD). Benefit of coronary artery bypass grafting (CABG) or percutaneous coronary intervention (PCI) is not so evident due to doubts regarding longevity and patency.

Methods: This retrospective single-center study assessed clinical outcomes in patients presenting with symptomatic single vessel coronary artery disease of a diffusely diseased, hemodynamically significant LAD treated by coronary artery bypass grafting (CABG) or optimal medical therapy (OMT) between 2015 and 2020. Primary outcome of this study was the composite endpoint of all-cause mortality, myocardial infarction and repeat revascularization during 2-year follow-up. Secondary endpoints consisted of the individual components of the primary endpoint. Change in angina severity grade based on the Canadian Cardiovascular Society (CCS) class between baseline and 2-year follow-up was assessed.

Results: Fifty-nine patients were included of which 25 patients underwent CABG and 34 patients were treated by OMT. There was a statistically significant difference in FFR value at baseline between the treatment groups (CABG 0.70 ± 0.04; OMT 0.75 ± 0.04; p < 0.001). After 2-year follow-up, there were no statistically significant differences with regard to the primary endpoint (CABG 16% (n = 4); OMT 17.6% (n = 6); p = 1.00) and secondary endpoints between the groups over 2-year follow-up.

Conclusion: In patients with hemodynamically significant diffuse single vessel coronary artery disease of the left anterior descending, there was no difference between OMT and CABG in terms of mortality, myocardial infarction, revascularization and symptom reduction after two years of follow-up.

Keywords: Coronary artery bypass grafting; Coronary artery disease; Diffuse disease; Fractional flow reserve; Optimal medical treatment.

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Comment in

  • What makes an ideal hyperemic drug?
    Zimmermann FM, Fearon WF. Zimmermann FM, et al. Int J Cardiol. 2022 Sep 1;362:22-23. doi: 10.1016/j.ijcard.2022.06.005. Epub 2022 Jun 4. Int J Cardiol. 2022. PMID: 35671899 No abstract available.

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