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Coronary stenting does not benefit patients with severe left ventricular dysfunction

REVIVED-BCIS2 trial presented in a Hot Line Session today at ESC Congress 2022

Interventional Cardiology
Coronary Intervention

Barcelona, Spain – 27 Aug 2022: Percutaneous coronary intervention (PCI) does not reduce all-cause mortality or heart failure hospitalisation in patients with severe left ventricular dysfunction and extensive coronary artery disease, according to late breaking research presented in a Hot Line session today at ESC Congress 2022.1

Coronary artery disease is the most common cause of heart failure and is associated with poor survival and low quality of life despite advances in medical therapy.2 Treating the coronary arteries to improve blood supply (revascularisation) has long been considered as a treatment option in this population. In the STICH trial, coronary artery bypass surgery improved survival but only in highly selected, typically young, patients.3 However, the benefit took 10 years to emerge, largely due to the early harm of the operation. PCI was an attractive alternative to bypass surgery, as it might offer the benefits of revascularisation without the early hazard.  However, there was no randomised evidence to support this and guidelines recommending the use of this treatment in some patients were based only on expert opinion.

REVIVED-BCIS2 is the first adequately powered randomised trial to examine the efficacy and safety of PCI in patients with left ventricular systolic dysfunction.5 The trial enrolled patients with severe left ventricular dysfunction (ejection fraction 35% or below), extensive coronary artery disease and demonstrable viability in at least four dysfunctional myocardial segments that could be revascularised by PCI. Viability could be assessed by any modality, but cardiac magnetic resonance imaging was used most. Those with a myocardial infarction within four weeks, decompensated heart failure or sustained ventricular arrhythmias within 72 hours were excluded.

A total of 700 patients from 40 centres in the UK were randomly assigned in a 1:1 ratio to either PCI with optimal medical therapy or optimal medical therapy alone. The median age of participants was 70 years, 88% were men and the mean left ventricular ejection fraction was 28%. The primary outcome was the composite of all-cause death or hospitalisation for heart failure. Secondary outcomes included left ventricular ejection fraction at six and 12 months and quality of life measures.

During a median follow up of 3.4 years, the primary outcome occurred in 129 (37.2%) patients in the PCI group and 134 (38.0%) patients in the medical therapy alone group for a hazard ratio of 0.99 (95% confidence interval 0.78–1.27, p=0.96).

Chief Investigator Professor Divaka Perera of King’s College London, UK said: “PCI provided no incremental benefit over optimal medical therapy, in this high-risk population, where approximately one in three patients died or were hospitalised with heart failure during follow-up.”

No significant difference was seen between groups in the major secondary outcome of the trial, left ventricular ejection fraction at six and 12 months. Given that only patients with demonstrable myocardial viability were enrolled, the latter finding challenges the concept of myocardial hibernation, which for decades has been considered an adaptation of the heart to cope with the effects of severe coronary disease, that can be reversed by treating the coronary disease.

Quality of life (the other major secondary outcome) favoured PCI at six and 12 months but there was no difference between groups at 24 months.

Professor Perera said: “We can conclude that PCI should not be offered to stable patients with ischaemic left ventricular dysfunction if the sole aim is to provide prognostic benefit. Our findings were consistent across all subgroups and for all prespecified outcome measures. These definitive results should help to rationalise guidelines on managing coronary disease in patients with very poor left ventricular function. However, it is important to note that REVIVED-BCIS2 excluded patients with limiting angina or recent acute coronary syndromes, and PCI is still an option in these contexts.”



Notes to editor

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This press release accompanies both a presentation and an ESC press conference at ESC Congress 2022. It does not necessarily reflect the opinion of the European Society of Cardiology.


Funding: The study was funded by the UK National Institute for Health Research.


Disclosures: None.


References and notes

1REVIVED will be discussed during:

2Ryan M, Morgan H, Petrie MC, Perera D. Coronary revascularisation in patients with ischaemic cardiomyopathy. Heart. 2021. doi:10.1136/heartjnl-2020-316856.

3Velazquez EJ, Lee KL, Jones RH, et al. Coronary-artery bypass surgery in patients with ischemic cardiomyopathy. N Engl J Med. 2016;374:1511–1520.

4Neumann FJ, Sousa-Uva M, Ahlsson A, et al. 2018 ESC/EACTS Guidelines on myocardial revascularization. Eur Heart J. 2019;40:87–165.

5Perera D, Clayton T, Petrie MC, et al. Percutaneous revascularization for ischemic ventricular dysfunction: Rationale and design of the REVIVED-BCIS2 trial. J Am Coll Cardiol HF. 2018;6:517–526.


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