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Advances in imaging diagnostics, surgical techniques and transcatheter interventions for paediatric patients with severe congenital heart disease (CHD) have substantially reduced mortality, thereby extending the lifespan of these individuals and increasing the number of adults with complex CHD. Transcatheter interventions have emerged as an alternative to traditional open-heart surgery to mitigate congenital defects. The evolution of techniques, the introduction of new devices and the growing experience of operators have enabled the treatment of patients with progressively more complex conditions. The general cardiology community might be less aware of contemporary interventions for adult CHD, their clinical indications and associated outcomes than interventional cardiologists and congenital heart specialists. In this Review, we provide a comprehensive evaluation of the available transcatheter interventions for adult patients with CHD., Competing Interests: Competing interests: J.A. is a consultant and proctor for Edwards Lifesciences, Medtronic and Siemens, and has received research funding from Venus Medtech. L.B. is a consultant for Medtronic. X.F. is a proctor for Abbott Medical. J.R.-C. has received institutional research grants and speaker/consultant fees from Edwards Lifesciences and Medtronic. The other authors declare no competing interests., (© 2025. Springer Nature Limited.)

Background: Patients with systemic right ventricle (SRV), either d-transposition of the great arteries following an atrial switch procedure or congenitally corrected transposition of the great arteries, develop severe right ventricular dysfunction, prompting appropriate medical therapy. However, the efficacy of beta-blockers and angiotensin receptor blockers or angiotensin-converting enzyme inhibitors (ACEI) in SRV patients is unproven., Objectives: The objective of this study was to determine the effects of ACEI/ARB and beta-blockers on outcomes in SRV patients after accounting for likely cofounders affecting their use., Methods: From a retrospective, multicenter study on heart failure-related outcome in individuals with SRV, those who were taking an ACEI/ARB, beta-blocker, or both of these medication were identified. We performed a propensity analysis to match them to those not using these medications at their initial visit. Matching was based on a propensity score, which captured co-morbidities, demographics, and baseline echocardiographic parameters. Primary outcome of death, transplant, or mechanical circulatory support, and secondary outcomes of heart failure hospitalizations/atrial arrhythmias were analyzed respectively., Results: We identified 393 patients taking ACEI/ARB or beta-blocker, or taking both a beta-blocker and ACEI/ARB (62.1% male, median age 31.3 years) and 484 patients (56.4% male, median age of 26.0 years) who were neither on a beta-blocker nor on ACEI/ARB at the time of initial clinic visit. Median follow-up was ∼8 years. After propensity matching, medication use was not associated with decreased mortality, heart failure hospitalizations, or arrhythmias. Hazard ratios remained positive for beta blockers, implying potential harm rather than benefit., Conclusions: In this large multicenter propensity-matched observational study, patients with SRV taking beta-blockers or ACEI/ARB did not have a benefit in survival or reduced hospitalization. The likelihood of demonstrating favorable effects in larger studies appears remote., Competing Interests: The authors have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2024 The Authors.)

Surgical resection is standard of care for the treatment of atrial myxoma. However, the optimal management strategy for recurrent cardiac tumors is less clear. Here we report the novel use of a catheter-based device retrieval system for the removal of a recurrent cardiac myxoma., Competing Interests: The authors have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2025 Published by Elsevier on behalf of the American College of Cardiology Foundation.)

Background: The univentricular heart with a predominant right ventricle morphology (uRV) has been associated with a higher rate of adverse cardiovascular events. It remains to be determined whether the specific type of uRV influences outcomes., Methods and Results: A North American multicenter retrospective cohort study was conducted by the Alliance for Adult Research in Congenital Cardiology on individuals with a uRV and total cavopulmonary connection Fontan. The incidence of a composite outcome consisting of all-cause mortality, cardiac transplantation, atrial arrhythmias, or thromboembolic events was compared among patients with Fontan palliation who had hypoplastic left heart syndrome (HLHS) versus other forms of uRV (non-HLHS). All components of the composite outcome were classified by a blinded adjudicating committee. Competing risks were taken into account in time-to-event analyses. A total of 171 patients with uRV of whom 76 (44.4%) had HLHS were followed for 10.2±5.7 years. The composite outcome occurred in 7.1 versus 2.1 cases per 100 person-years in patients with HLHS versus non-HLHS ( P <0.0001). In multivariable analyses, HLHS was associated with a significantly higher risk of the composite outcome (hazard ratio [HR], 6.13 [95% CI, 2.92-12.69], P <0.001). Moreover, HLHS was associated with significantly higher rates of all components of the primary outcome., Conclusions: Among patients with a uRV and Fontan palliation, HLHS is associated with a significantly higher rate of adverse cardiovascular events.

Background: A dilated native right ventricular outflow tract (RVOT) presents unique challenges for transcatheter management using balloon-expandable valves. The Alterra Adaptive Prestent was designed to expand transcatheter therapy to treat patients with dilated RVOTs., Objectives: The aim of this study was to report 2-year outcomes of the main cohort of the ALTERRA (Multicenter Study of Congenital Pulmonic Valve Dysfunction Studying the SAPIEN 3 THV With the Alterra Adaptive Prestent) pivotal trial using the prestent with transcatheter pulmonary valve replacement., Methods: The prestent device used with the 29 mm SAPIEN 3 transcatheter heart valve (THV) was evaluated for the management of patients with moderate or greater pulmonary valve regurgitation (PR). The primary endpoint was THV dysfunction at 6 months, defined as a nonhierarchical composite of RVOT/pulmonary valve reintervention, moderate or greater total PR on transthoracic echocardiography, and mean RVOT/pulmonary valve gradient 35 mm Hg or greater on transthoracic echocardiography. The primary endpoint and outcomes through 2 years are presented in this analysis., Results: Of 97 patients screened, 60 underwent prestent and THV implantation. There was 1 staged procedure. No patients had THV dysfunction at 6 months. At 2 years, the majority of patients (92.5%) had mild or less PR, with no reports of coronary compression, stent fractures warranting reintervention, or endocarditis. Of the 21 patients (34.4%) who experienced early (days 0-1) arrhythmias, 12 had episodes of nonsustained ventricular tachycardia that resolved with medication. One patient underwent reintervention secondary to an iatrogenic RVOT obstruction; there were no deaths or explantations through 2 years., Conclusions: The Alterra prestent in combination with the SAPIEN 3 THV has excellent outcomes at 2 years, with no significant valve dysfunction in the main pivotal cohort., Competing Interests: Funding Support and Author Disclosures Edwards Lifesciences sponsored this study. Dr Dimas is a proctor and consultant for Edwards Lifesciences, Medtronic, and B. Braun; and is a consultant for Abbott. Dr Babaliaros is a consultant for Edwards Lifesciences and Abbott Vascular; and holds stock options in TransMural Systems. Dr Kim is a consultant for Edwards Lifesciences. Dr Lim has received research grants to his institution on his behalf from Abbott, atHeart, Boston Scientific, Corvia, Edwards Lifesciences, Medtronic, V-Wave, and W.L. Gore; and has received personal consulting fees from LagunaTech, Philips, Valgen, and Venus. Dr Morgan is a consultant and proctor for Edwards Lifesciences. Dr Jones is a consultant for Edwards Lifesciences and atHeart Medical; and is a consultant and proctor for Medtronic, Abbott, and W.L. Gore. Dr Armstrong is a consultant for Abbott, Medtronic, Edwards Lifesciences, and Starlight Cardiovascular. Dr Berman is a consultant and proctor for Abbott, B. Braun, Edwards Lifesciences, and Medtronic. Dr Aboulhosn is a consultant and proctor for Edwards Lifesciences and Medtronic. Dr Mahadevan is principal investigator for clinical trials sponsored by Abbott, and RECOR Medical; and is a proctor for Edwards Lifesciences. Dr Gillespie is a consultant and proctor for Abbott, Medtronic, and W.L. Gore. Dr Balzer is a consultant and proctor for Abbott, Edwards Lifesciences, and Medtronic. Dr Yu is an employee of Edwards Lifesciences. Dr Shirali has received institutional grant funding from Edwards Lifesciences. Dr Parthiban has received grant funding to the institution from Edwards Lifesciences. Dr Leipsic has institutional computed tomography core laboratory contracts with Edwards Lifesciences, Medtronic, Abbott, and Boston Scientific. Dr Blanke is a consultant for Edwards Lifesciences and LARALAB. Dr Zahn is a consultant for Abbott, Edwards Lifesciences, and Medtronic. Dr Shahanavaz is a consultant for Edwards Lifesciences and Medtronic. Dr Zellers has reported that he has no relationships relevant to the contents of this paper to disclose., (Copyright © 2024 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)

Background: Patients with transposition of the great arteries (TGA) and systemic right ventricle often confront significant adverse cardiac events. The prognostic significance of invasive hemodynamic parameters in this context remains uncertain. Our hypothesis is that the aortic pulsatility index and hemodynamic profiling utilizing invasive measures provide prognostic insights for patients with TGA and a systemic right ventricle., Methods: This retrospective multicenter cohort study encompasses adults with TGA and a systemic right ventricle who underwent cardiac catheterization. Data collection, spanning from 1994 to 2020, encompasses clinical and hemodynamic parameters, including measured and calculated values such as pulmonary capillary wedge pressure, aortic pulsatility index, and cardiac index. Pulmonary capillary wedge pressure and cardiac index values were used to establish 4 distinct hemodynamic profiles. A pulmonary capillary wedge pressure of ≥15 mm Hg indicated congestion, termed wet, while a cardiac index <2.2 L/min per m 2 signified inadequate perfusion, labeled cold. The primary outcome comprised a composite of all-cause death, heart transplantation, or the requirement for mechanical circulatory support., Results: Of 1721 patients with TGA, 242 individuals with available invasive hemodynamic data were included. The median follow-up duration after cardiac catheterization was 11.4 (interquartile range, 7.5-15.9) years, with a mean age of 38.5±10.8 years at the time of cardiac catheterization. Among hemodynamic parameters, an aortic pulsatility index <1.5 emerged as a robust predictor of the primary outcome, with adjusted hazard ratios of 5.90 (95% CI, 3.01-11.62; P <0.001). Among the identified 4 hemodynamic profiles, the cold/wet profile was associated with the highest risk for the primary outcome, with an adjusted hazard ratio of 3.83 (95% CI, 1.63-9.02; P <0.001)., Conclusions: A low aortic pulsatility index (<1.5) and the cold/wet hemodynamic profile are linked with an elevated risk of adverse long-term cardiac outcomes in patients with TGA and systemic right ventricle., Competing Interests: None.

Background: Fenestrating a Fontan baffle has been associated with improved perioperative outcomes in patients with univentricular hearts. However, longer-term potential adverse effects remain debated. We sought to assess the impact of a fenestrated Fontan baffle on adverse cardiovascular events including all-cause mortality, cardiac transplantation, atrial arrhythmias, and thromboemboli., Methods: A multicentre North American retrospective cohort study was conducted on patients with total cavopulmonary connection Fontan baffle, with and without fenestration. All components of the composite outcome were independently adjudicated. Potential static and time-varying confounders were taken into consideration, along with competing risks., Results: A total of 407 patients were followed for 10.4 (7.1-14.4) years; 70.0% had fenestration of their Fontan baffle. The fenestration spontaneously closed or was deliberately sealed in 79.9% of patients a median of 2.0 years after Fontan completion. In multivariable analysis in which a persistent fenestration was modelled as a time-dependent variable, an open fenestration did not confer a higher risk of the composite outcome (hazard ratio, 1.18; 95% confidence interval, 0.71-1.97; P = 0.521). In secondary analyses, an open fenestration was not significantly associated with components of the primary outcome: that is, mortality or transplantation, atrial arrhythmias, or thromboemboli. However, sensitivity analyses to assess the possible range of error resulting from imprecise dates for spontaneous fenestration closures could not rule out significant associations between an open fenestration and atrial arrhythmias or thromboemboli., Conclusions: In this multicentre study, no significant association was identified between an open fenestration in the Fontan baffle and major adverse cardiovascular events., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)

Background: Adult congenital heart disease (ACHD) patients have significant morbidity and rise in cardiac admissions. Their outcome with high-dose influenza vaccination is unknown in comparison to those without ACHD., Objectives: The purpose of this study was to compare all-cause mortality or cardiopulmonary hospitalizations in self-identified ACHD versus non-ACHD patients receiving high- or low-dose influenza vaccination within the INfluenza Vaccine to Effectively Stop cardioThoracic Events and Decompensated heart failure trial., Methods: We prospectively included ACHD patients in the INVESTED (INfluenza Vaccine to Effectively Stop cardioThoracic Events and Decompensated heart failure) trial. The primary endpoint was all-cause death or hospitalization for cardiovascular or pulmonary causes., Results: Of the 272 ACHD patients, 132 were randomly assigned to receive high-dose trivalent and 140 to standard-dose quadrivalent influenza vaccine. Compared to the non-ACHD cohort (n = 4,988), ACHD patients were more likely to be younger, women, smokers, have atrial fibrillation, and have a qualifying event of heart failure. The primary outcome was 49.8 events versus 42.8 events per 100 person-years (adjusted HR: 1.17; 95% CI: 0.95-1.45; P  = 0.144) in the ACHD group and non-ACHD group, respectively. The interaction between ACHD status and randomized treatment effect was not significant for the primary outcome ( P  = 0.858). Vaccine-related adverse events were similar in both groups., Conclusions: Patients who self-identify as being ACHD had similar primary outcome of all-cause death or hospitalization for cardiovascular or pulmonary causes compared to non-ACHD cohort. High-dose influenza vaccination was similar to standard-dose influenza vaccination on the primary outcome in patients who self-identify as ACHD., Competing Interests: Internal funding was provided by Prairie Vascular Research Inc. Dr Goodman has received research grant support (eg, steering committee or data and safety monitoring committee) and/or speaker/consulting honoraria (eg, advisory boards) from Amgen, Anthos Therapeutics, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, CSL Behring, Daiichi-Sankyo/American Regent, Eli Lilly, Esperion, Ferring Pharmaceuticals, HLS Therapeutics, JAMP Pharma, Merck, Novartis, Novo Nordisk A/C, Pendopharm/Pharmascience, Pfizer, Regeneron, Sanofi, Servier, Tolmar Pharmaceuticals, Valeo Pharma; and salary support/honoraria from the Heart and Stroke Foundation of Ontario/University of Toronto (Polo) Chair, Canadian Heart Failure Society, Canadian Heart Research Centre and MD Primer, Canadian VIGOUR Centre, Cleveland Clinic Coordinating Centre for Clinical Research, Duke Clinical Research Institute, New York University Clinical Coordinating Centre, PERFUSE Research Institute, TIMI Study Group (Brigham Health). Dr Hegde has received fees paid to institution from Myokardia. Dr Bhatt discloses the following relationships - Advisory Board for Angiowave, Bayer, Boehringer Ingelheim, Cardax, CellProthera, Cereno Scientific, Elsevier Practice Update Cardiology, High Enroll, Janssen, Level Ex, McKinsey, Medscape Cardiology, Merck, MyoKardia, NirvaMed, Novo Nordisk, PhaseBio, PLx Pharma, Regado Biosciences, Stasys; Board of Directors; Angiowave (stock options), Boston VA Research Institute, Bristol Myers Squibb (stock), DRS.LINQ (stock options), High Enroll (stock), Society of Cardiovascular Patient Care, TobeSoft; Chair: Inaugural Chair; American Heart Association Quality Oversight Committee; Consultant: Broadview Ventures; Data Monitoring Committees: Acesion Pharma, Assistance Publique-Hôpitaux de Paris, Baim Institute for Clinical Research (formerly Harvard Clinical Research Institute, for the PORTICO trial, funded by St. Jude Medical, now Abbott), Boston Scientific (Chair, PEITHO trial), Cleveland Clinic (including for the ExCEED trial, funded by Edwards), Contego Medical (Chair, PERFORMANCE 2), Duke Clinical Research Institute, Mayo Clinic, Mount Sinai School of Medicine (for the ENVISAGE trial, funded by Daiichi Sankyo; for the ABILITY-DM trial, funded by Concept Medical), Novartis, Population Health Research Institute; Rutgers University (for the NIH-funded MINT Trial); Honoraria; American College of Cardiology (Senior Associate Editor, Clinical Trials and News, ACC.org; Chair, ACC Accreditation Oversight Committee), Arnold and Porter law firm (work related to Sanofi/Bristol-Myers Squibb clopidogrel litigation), Baim Institute for Clinical Research (formerly Harvard Clinical Research Institute; RE-DUAL PCI clinical trial steering committee funded by Boehringer Ingelheim; AEGIS-II executive committee funded by CSL Behring), Belvoir Publications (Editor in Chief, Harvard Heart Letter), Canadian Medical and Surgical Knowledge Translation Research Group (clinical trial steering committees), Cowen and Company, Duke Clinical Research Institute (clinical trial steering committees, including for the PRONOUNCE trial, funded by Ferring Pharmaceuticals), HMP Global (Editor in Chief, Journal of Invasive Cardiology), Journal of the American College of Cardiology (Guest Editor; Associate Editor), K2P (Co-Chair, interdisciplinary curriculum), Level Ex, Medtelligence/ReachMD (CME steering committees), MJH Life Sciences, Oakstone CME (Course Director, Comprehensive Review of Interventional Cardiology), Piper Sandler, Population Health Research Institute (for the COMPASS operations committee, publications committee, steering committee, and USA national co-leader, funded by Bayer), Slack Publications (Chief Medical Editor, Cardiology Today’s Intervention), Society of Cardiovascular Patient Care (Secretary/Treasurer), WebMD (CME steering committees), Wiley (steering committee); Other: Clinical Cardiology (Deputy Editor), NCDR-ACTION Registry Steering Committee (Chair), VA CART Research and Publications Committee (Chair); Patent: Sotagliflozin (named on a patent for sotagliflozin assigned to Brigham and Women's Hospital who assigned to Lexicon; neither I nor Brigham and Women's Hospital receive any income from this patent); Research Funding: Abbott, Acesion Pharma, Afimmune, Aker Biomarine, Amarin, Amgen, AstraZeneca, Bayer, Beren, Boehringer Ingelheim, Boston Scientific, Bristol-Myers Squibb, Cardax, CellProthera, Cereno Scientific, Chiesi, CinCor, CSL Behring, Eisai, Ethicon, Faraday Pharmaceuticals, Ferring Pharmaceuticals, Forest Laboratories, Fractyl, Garmin, HLS Therapeutics, Idorsia, Ironwood, Ischemix, Janssen, Javelin, Lexicon, Lilly, Medtronic, Merck, Moderna, MyoKardia, NirvaMed, Novartis, Novo Nordisk, Owkin, Pfizer, PhaseBio, PLx Pharma, Recardio, Regeneron, Reid Hoffman Foundation, Roche, Sanofi, Stasys, Synaptic, The Medicines Company, Youngene, 89Bio; Royalties: Elsevier (Editor, Braunwald’s Heart Disease); Site Co-Investigator: Abbott, Biotronik, Boston Scientific, CSI, Endotronix, St. Jude Medical (now Abbott), Philips, SpectraWAVE, Svelte, Vascular Solutions; Trustee: American College of Cardiology; Unfunded Research: FlowCo, Takeda. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2024 The Authors.)

Background: Congenital heart disease (CHD) is the most common birth defect worldwide. Neurocognitive deficits and psychiatric disorders, which can impact daily life, have been reported in over 50% of adolescents and young adults with moderate to complex CHD., Objective: Conduct a systematic review of sex, clinical, psychological and social determinants of health (SDoH) factors affecting neurocognition in adults with CHD post-cardiac surgery., Methods: PubMed, Cumulated Index to Nursing and Allied Health Literature, and Embase were searched for relevant studies over the past 5 years. Thirteen articles met inclusion criteria of: 1) CHD post-cardiac surgery, 2) age ≥ 18 years, and 3) used a validated measure of neurocognition., Results: A total of 507 articles were identified. After screening, 30 articles underwent full text review yielding 13 eligible articles. Twelve articles reported deficits in multiple domains including executive function, intellectual functioning, visuospatial ability, and verbal fluency in more complex CHD. Only three studies examined cognition based on sex, with female and lower parental SES associated with worse cognitive outcomes. Most studies were from Europe, predominantly sampled Caucasian participants, had heterogeneous samples of CHD complexity, and lacked standardized cognitive measures which limited generalizability of findings., Conclusions: Adults with CHD present with a wide variety of cognitive deficits, with some associations with sex, clinical history, and SDoH factors. It remains unclear to what degree these factors affect cognition in adults with moderate to complex CHD. Future longitudinal studies should focus on age-related effects on cognition and potential health care disparities in diverse CHD samples., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competitive economic interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023. Published by Elsevier Inc.)

Background: There is a paucity of data on long-term outcomes after Fontan palliation in patients with a dominant morphological univentricular right (uRV) vs left (uLV) ventricle., Objectives: The purpose of this study was to compare the incidence of atrial arrhythmias, thromboembolic events, cardiac transplantation, and death following Fontan palliation in patients with uRV vs uLV., Methods: The Alliance for Adult Research in Congenital Cardiology conducted a multicenter retrospective cohort study on patients with total cavopulmonary connection Fontan palliation across 12 centers in North America. All components of the composite outcome, that is, atrial arrhythmias, thromboembolic events, cardiac transplantation, and death, were reviewed and classified by a blinded adjudicating committee. Time-to-event analyses were performed that accounted for competing risks., Results: A total of 384 patients were followed for 10.5 ± 5.9 years. The composite outcome occurred in 3.7 vs 1.7 cases per 100 person-years for uRV (N = 171) vs uLV (N = 213), respectively ( P  < 0.001). In multivariable analyses, uRV conferred a >2-fold higher risk of the composite outcome (HR: 2.17, 95% CI: 1.45-3.45, P  < 0.001). In secondary analyses of components of the primary outcome, uRV was significantly associated with a greater risk of cardiac transplantation or death (HR: 9.09, 95% CI: 2.17-38.46, P  < 0.001) and atrial arrhythmias (HR: 2.17, 95% CI: 1.20-4.00, P  = 0.010) but not thromboembolic events (HR: 1.64, 95% CI: 0.86-3.16, P  = 0.131)., Conclusions: Fontan patients with uRV vs uLV morphology have a higher incidence of adverse cardiovascular events, including atrial arrhythmia, cardiac transplantation, and all-cause mortality., Competing Interests: The TACTIC study was funded by an investigator-initiated unrestricted grant from Boehringer Ingelheim. The sponsor had no role in the study design, data collection, analysis, interpretation, writing of the paper, and decision to submit the manuscript for publication. Dr Dib is supported by the 10.13039/501100003100French Federation of Cardiology (FFC) and 10.13039/501100009597ADETEC grants. Dr Khairy is supported by the André Chagnon research chair in electrophysiology and congenital heart disease. All other have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2024 The Authors.)

This consensus document for the performance of Cardiovascular Computed Tomography (CCT) to guide intervention in the right ventricular outflow tract (RVOT) in patients with congenital disease (CHD) was developed collaboratively by pediatric and adult interventionalists, surgeons and cardiac imagers with expertise specific to this patient subset. The document summarizes definitions of RVOT dysfunction as assessed by multi-modality imaging techniques and reviews existing consensus statements and guideline documents pertaining to indications for intervention. In the context of this background information, recommendations for CCT scan acquisition and a standardized approach for reporting prior to surgical or transcatheter pulmonary valve replacement are proposed and presented. It is the first Imaging for Intervention collaboration for CHD patients and encompasses imaging and reporting recommendations prior to both surgical and percutaneous pulmonary valve replacement., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Relationships with industry for authors are outlined in Appendix A and for reviewers are outlines in Appendix B., (Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.)

Patent foramen ovale (PFO) is the most common congenital cardiac abnormality and is usually considered a benign finding. This case series suggests a potential link between PFO and vasospastic angina. It also demonstrates PFO closure as a potential therapeutic intervention for individuals with PFO who suffer from refractory vasospastic angina., Competing Interests: Dr Parikh has received research support from Bayer, Infraredx, and Abbott Vascular; and consulting fees from Abbott Vascular. Dr Tobis consults and provides lectures for WL Gore. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2023 Published by Elsevier on behalf of the American College of Cardiology Foundation.)