During the third and last day of the 2021 American College of Cardiology Scientific Sessions, Dr. Marjan Boerma, PhD, Associate Professor, University of Arkansas for Medical Sciences, delivered a presentation on radiation-induced heart disease as a panelist during session 748, “Cardio-Oncology: Today’s Standard of Practice.” Aptly entitled “Unchain My Heart,” the presentation began with a focus on studies demonstrating the now well-known increased risk of heart disease as a late effect of cancer treatment in long-term survivors of Hodgkin’s lymphoma as well as in breast cancer patients who received radiotherapy for left-sided compared with right-sided breast cancers.

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It goes without saying that refractory out of hospital cardiac arrest (OHCA) is associated with very poor outcomes. In recent decades, E-CPR, or the combination of veno-arterial ECMO and mechanical CPR, has emerged as a potential mitigator of refractory OHCA to improve survival. Given the difficulties in design and enrollment of randomized trials in the OHCA space, however, definitive data favoring the use of E-CPR had yet to be established.

In a Late Breaking Clinical Trials Session at the 2021 American College of Cardiology Scientific Sessions, Dr. J. Belohlavek of the Charles University in Prague presented the results of Prague OHCA, a 7-year trial comparing E-CPR to standard ACLS in refractory OHCA. Patients with a presumed cardiac cause of their OHCA were electronically randomized to a hyperinvasive or standard approach to ACLS during bystander chest compressions. The hyperinvasive approach consisted of a rapid transfer to a hospital center with mechanical CPR and/or the implantation of veno-arterial ECMO could be implemented. Standard of care remained at the discretion of the responders but would include manual chest compressions and progression of ACLS.
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Atrial fibrillation and heart failure are two common, costly medical conditions that are increasing in prevalence and incidence in the United States. These two comorbidities often accompany one another in the advanced heart failure population. While goal directed medical therapy for those with heart failure with reduced ejection fraction exists, there is limited evidence of therapy for those with concurrent heart failure and atrial fibrillation.
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Key Points:

• CONNECT-HF, one of the largest heart failure (HF) implementation science trials performed to date, was performed to evaluate how the principles of audit and feedback with personalized feedback by HF and quality improvement experts might impact HF outcomes
• Results showed that this hospital-level intervention did not meaningfully improve clinical outcomes or quality of care delivery at 12 months compared to usual care
• According to the investigators, new approaches are needed to improve care above current quality improvement efforts for patients with HFrEF and next steps include finding alternative QI systems that do improve HF outcomes and rigorously studying those practices

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Key Points:

Myocardial fibrosis has previously been associated with death and repeat hospitalization in patients with heart failure with preserved ejection fraction.

In a phase II clinical trial, Pirfenidone, an oral antifibrotic agent used in the treatment of idiopathic pulmonary fibrosis, was found to significantly decrease myocardial fibrosis when compared to placebo. Dr. Christopher Miller of the University of Manchester presented the results of the PIROUETTE trial (NCT02932566) at a Late Breaking Clinical Trial session at the 2021 American College of Cardiology Scientific Sessions meeting. Given its effect in reducing pulmonary fibrosis, investigators hypothesized that the TGF-B1 antagonist would work similarly in the myocardium and hoped for a clinical benefit in volume status and quality of life as well.
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KEY POINTS:

• Trials for those with heart failure with preserved ejection fraction have not previously demonstrated significant evidence of benefit to date
• The use of the SGLT1/2 inhibitor, sotagliflozin, results in consistent, significant benefit in those with diabetes and reduced, midrange, and preserved ejection fraction

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A restrictive transfusion strategy may no longer be inferior to a liberal transfusion strategy in preventing one-year MACE rates in acute MI and anemia patients, results of a REALITY study analysis presented at the 70th annual meeting of the American College of Cardiology (ACC), found. Continue reading →

Key Points:

• This is the first study to assess the effects of Sacubitril/Valsartan in patients with advanced heart failure with reduced ejection fraction.
• No difference was found between Valsartan and Sacubitril/Valsartan when assessing the change in NT-proBNP levels from baseline in this sicker population.
• The two drugs had similar efficacy and tolerability profiles, with the exception of higher rates of hyperkalemia in the Sacubitril/Valsartan arm.

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Key Points:

• Among patients with suspected acute coronary syndromes (ACS) and ischemia excluded on an initial electrocardiogram, randomized allocation of unmasked hs-cTnT within a 0/1-hour protocol as opposed to a 0/3-hour protocol with troponin T results masked at <29 ng/L was associated with:
  • Reduction in functional stress testing
  • Increase in coronary angiography and revascularization
• Unmasked reporting of hs-cTnT was not associated with a reduction in late death or myocardial infarction (MI) over 12 months of follow up
• Among those presenting with troponins within the masked range (≤29 ng/L), a significant increase in death or MI emerged within 12 months of follow up

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INSPIRATION-S led by Behnood Bikdeli, MD, MS, and presented at the American College of Cardiology 2021 Meeting, failed to show the efficacy of atorvastatin in reducing thrombotic events and all-cause mortality.  According to the presenter, the subgroup analysis demonstrated some hypothesis-generating signals that need to be further investigated in future research.

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ACTION presented at the American College of Cardiology 2021 meeting by Renato D. Lopes, MD, PhD, demonstrated that among patients hospitalized with COVID-19 and elevated D-dimer levels, therapeutic anticoagulation with full-dose anticoagulant did not improve clinical outcomes and increased bleeding compared with prophylactic dose anticoagulation. Continue reading →

Paclitaxel-coated balloons had come under fire in recent years, after a meta-analysis of randomized control trials involving their use for the treatment of peripheral artery disease found an associated with higher mortality when compared to non-drug coated devices. The study led to a letter of caution published by the FDA, leading to hesitance on the part of both physicians and patients to use the devices ever since. In June of 2019, the FDA called for additional long-term safety data to allow Paclitaxel-coated balloons to remain on the market. Continue reading →

Key Points:

• While FFR-guided PCI is superior in chronic coronary syndrome, its role in primary PCI of acute coronary syndrome remained unknown.
• Patients with STEMI and multivessel disease, were randomized to undergo FFR-guided PCI versus angiography-guided PCI of non-culprit lesions after treatment of the culprit.
• There was no difference in MACE at one year between the two intervention arms at one year.

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KEY POINTS:

• Clopidogrel is superior to aspirin as chronic maintenance therapy after drug eluting stent (DES) placement with contemporary percutaneous coronary intervention (PCI) following 12 ± 6 months of dual antiplatelet therapy (DAPT)
• Specifically, those on Clopidogrel had a reduction in the composite endpoint of myocardial infarction, stroke, readmission for ACS as well was the secondary endpoints of thrombotic and bleeding events

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Presented by Dr. Schuyler Jones, assistant professor of medicine, Duke University, and a member of the Duke Clinical Research Institute in the first Late Breaking Clinical Trial session, “Aspirin Dosing: A patient-centric Trial Assessing the Benefits and Long-term Effectiveness (ADAPTABLE)” asked a key question that many patients and physicians, PAs, and NPs face every day: Is 81 mg or 325 mg of aspirin more effective for secondary prevention for patients with pre-existing or established cardiovascular disease?

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Key Points:

• Elderly frail patients with acute decompensated heart failure hospitalizations benefit from cardiac rehabilitation
• Tailored rehabilitation led to a large, significant improvement in Short Physical Performance Battery (SPPB) score which was relatively uniform across pre-specified subgroups
• Rehabilitation intervention patients saw large, significant, clinically meaningful improvements in 6-minute walk distance, quality-of-life, Fried Frailty score, and depression

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With the widespread use of second-generation drug eluting stents, it has become more apparent that the risk of stent thrombosis decreases significantly after the first thirty days. The risk of bleeding, on the other hand, increases during that same time period. It has been proposed that de-escalation of potent P2Y12 inhibitors could mitigate that risk of bleeding. Dr. Kiyuk Chang and his co-investigators sought to answer this in the TALOS-AMI trial, the results of which were presented during a late breaking clinical trial session today at the 2021 American College of Cardiology Scientific Sessions. Continue reading →

While renal denervation has been shown to improve blood pressure in patients with moderate hypertension, its effects on resistant hypertension have been more modest. During Sunday’s Late Breaking Clinical Trials session of the American College of Cardiology’s 2021 Scientific Sessions, Dr. Ajay Kirtane of Columbia University, presented the findings of the anticipated RADIANCE-HTN TRIO Trial, seeking to shine a light on the previously nebulous data. Continue reading →

KEY POINT:

• There is not enough evidence to state whether Omega-3 Fatty Acid levels are beneficial or harmful against major adverse cardiovascular events in patients with high cardiovascular risk.

Dr. Steven E. Nissen is the chairman of the Department of Cardiovascular Medicine at the Cleveland Clinic and Professor of Medicine at the Cleveland Clinic Lerner College of Medicine at Case Western Reserve University.  Prior to summarizing Dr. Nissen’s late breaking trial at presented May 16, Day 2 of ACC 2021 that is concurrently published in JAMA Cardiology . Continue reading →

New results were presented from the Prevention of Cardiac Dysfunction During Adjuvant Breast Cancer Therapy (PRADA) trial at ACC 2021 on May 16 and published concurrently in Circulation .  The authors found that medications administered in addition to surgery, adjuvant breast cancer (BC) therapy with anthracylines with or without anti-human epidermal growth factor receptor 2 (HER2) therapy, and radiotherapy may not significantly attenuate the reduction in left ventricular ejection fraction (LVEF), nor improve cardiac troponins in early-stage BC patients.
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