News

A study of 1,114 TAVR patients at Karl Landsteiner University identified sex-specific differences in outcomes related to pacemaker implantation following the procedure. Women showed increased vulnerability immediately after new pacemaker implantation post-TAVR, while pre-existing pacemakers in men were associated with long-term risk.

Digest: These findings suggest that sex-specific risk stratification for conduction abnormalities and pacemaker need should be incorporated into pre-procedural TAVR assessment and post-procedural management, particularly as TAVR expands to younger, lower-risk populations.

Mount Sinai researchers received a $3.6 million, four-year NIH grant to develop EVOLVE-MR, a project linking randomized trial data with Medicare records to extend mitral valve surgery evidence to real-world populations. The study will use machine learning and causal inference methods to determine whether clinical trial benefits persist in broader, more diverse patient groups over longer follow-up periods.

Digest: This research addresses the critical gap between clinical trial populations and real-world mitral regurgitation patients, potentially enabling more individualized surgical decision-making for the 13 million U.S. adults with valvular heart disease.

TCT 2026 conference organizers have announced the slate of late-breaking clinical trials to be presented in San Diego. The announcement indicates which studies will be featured, though specific trial names and data are not yet disclosed.

Digest: Late-breaking trial announcements at TCT typically include pivotal structural heart studies that influence clinical practice and regulatory decisions in the interventional cardiology field.

New data reveal ongoing concerns about heart failure occurrence both before and after transcatheter aortic valve replacement procedures. The findings highlight persistent clinical challenges in managing heart failure in TAVR patient populations.

Digest: Heart failure remains a critical complication affecting TAVR outcomes and patient selection, with implications for pre-procedural optimization and post-procedural surveillance strategies.

A cardiac surgeon performed the first US implant of an investigational heart valve device that is currently undergoing FDA review but has not yet received regulatory approval. The procedure represents an early access case under what is likely an FDA early feasibility study or expanded access protocol.

Digest: This signals advancement of a novel valve technology through US regulatory pathways and provides early clinical experience that may inform future FDA approval decisions and market adoption strategies.

The TRIC-I-HF trial demonstrated that transcatheter tricuspid valve repair plus optimal medical therapy was superior to medical therapy alone in patients with symptomatic severe tricuspid regurgitation and heart failure. The intervention reduced all-cause death and HF hospitalization with benefits emerging early and sustained to 3 years, along with meaningful quality of life improvements.

Digest: This represents the first time transcatheter tricuspid repair has shown significant reductions in hard clinical endpoints (mortality and HF hospitalization), not just quality of life, potentially establishing a new standard of care for severe tricuspid regurgitation patients.

The phase 3 LIBREXIA trial evaluating milvexian, an oral factor XIa inhibitor, was halted early for futility in patients with recent acute coronary syndrome at high risk for recurrent ischemic events. Milvexian added to antiplatelet therapy did not reduce cardiovascular death, MI, or ischemic stroke compared with placebo, though no excess bleeding risk was observed.

Digest: This trial demonstrates that factor XIa inhibition does not provide additional ischemic protection in ACS patients on antiplatelet therapy, though the lack of bleeding signal may inform ongoing anticoagulation strategies in structural heart interventions where thrombotic and hemorrhagic balance is critical.

An analysis found no significant sex-based differences in timing of care for patients undergoing mitral transcatheter edge-to-edge repair (M-TEER). The study suggests that male and female patients receive similarly timed treatment access and procedural care.

Digest: Demonstrates equity in care delivery for M-TEER procedures across sexes, addressing ongoing concerns about potential gender disparities in access to advanced structural heart interventions.

A study demonstrates that transcatheter aortic valve replacement is safe in patients with large aortic annuli. Heart failure complications remain an area of concern in this patient population.

Digest: Expands evidence for TAVR applicability in anatomically challenging cases with larger annular dimensions, though persistent heart failure risk may influence device selection and patient management strategies.

New data from the PARTNER 3 trial demonstrate early clinical benefits of transcatheter aortic valve replacement (TAVR) compared to surgical aortic valve replacement (SAVR) in low-risk patients. The updated analysis reinforces TAVR's favorable early outcomes in this patient population.

Digest: These findings support expanding TAVR utilization in low-risk surgical candidates and may influence treatment algorithms and guideline recommendations for aortic stenosis management.

Abbott has initiated the Treat TR study, a post-market study enrolling approximately 1,000 patients across up to 100 sites in the U.S., Canada, and Europe to evaluate the safety and performance of the TriClip transcatheter edge-to-edge repair system for tricuspid regurgitation in real-world settings. Patients will be followed for five years, with a sub-study examining the system's potential to reverse cardiac remodeling.

Digest: This large-scale real-world evidence study will provide critical post-market performance data for TriClip TEER, informing adoption decisions and potentially expanding treatment paradigms for TR in clinical practice.

New follow-up data from the EARLY TAVR trial demonstrate continued clinical benefits of transcatheter aortic valve replacement in patients with asymptomatic severe aortic stenosis. The updated results reinforce the safety and efficacy of early intervention before symptom onset in this patient population.

Digest: These findings support expanding TAVR utilization to asymptomatic patients with severe AS, potentially shifting treatment paradigms and increasing the addressable patient population for structural heart programs.

Transcatheter aortic valve replacement using an Edwards Lifesciences valve system demonstrated encouraging outcomes in patients with severe aortic regurgitation. The data suggest TAVR may be a viable treatment option for this traditionally surgical patient population.

Digest: Severe AR has been a relative contraindication for TAVR due to anatomical challenges, and positive data could expand the treatment population and market for Edwards' valve technology.

The SMART trial's 3-year results showed that self-expanding supra-annular TAVR valves (Evolut platform, Medtronic) demonstrated superior hemodynamics and less thrombosis compared to balloon-expandable valves (Sapien platform, Edwards Lifesciences) in patients with small aortic annuli (≤430 mm²). There was no difference in the composite clinical endpoint of mortality, disabling stroke, or heart failure rehospitalization between groups (self-expanding 25.4% vs balloon-expandable 22.6%; HR 1.13, 95% CI 0.83-1.53, P=0.44).

Digest: These extended follow-up data support the use of self-expanding supra-annular valves for improved hemodynamic performance in small annuli patients, particularly relevant for lower-risk and younger TAVR candidates where long-term valve function is critical.

New data confirm that single antiplatelet therapy (SAPT) after transcatheter aortic valve replacement demonstrates key clinical benefits compared to dual antiplatelet therapy (DAPT). The findings support a streamlined antithrombotic strategy that may reduce bleeding complications while maintaining efficacy.

Digest: This evidence could influence anticoagulation management protocols post-TAVR, potentially reducing bleeding risk and healthcare costs while simplifying patient management for the growing TAVR population.

A new meta-analysis demonstrates that conduction system pacing following transcatheter aortic valve replacement is associated with improved clinical outcomes compared to conventional right ventricular pacing. The analysis suggests conduction system pacing may be a preferred pacing strategy for TAVR patients requiring permanent pacemaker implantation.

Digest: This finding could influence pacing strategy selection in the significant proportion of TAVR patients who develop conduction abnormalities requiring permanent pacemaker, potentially reducing long-term morbidity associated with right ventricular pacing.

The PRAISE-MR randomized trial evaluated angiotensin receptor neprilysin inhibitor (ARNI) therapy in patients with heart failure with preserved ejection fraction (HFpEF) and secondary mitral regurgitation. The study assessed whether ARNI treatment could reduce mitral regurgitation severity and improve clinical outcomes in this patient population.

Digest: This trial addresses whether medical therapy with ARNI can reduce secondary MR in HFpEF patients, potentially identifying responders who may avoid transcatheter mitral intervention versus non-responders who require TMVR.

Three-year follow-up data from the SMART trial continues to demonstrate superior structural valve deterioration outcomes for self-expanding TAVR valves compared to balloon-expandable systems. The durability advantage of self-expanding valves persisted at the 3-year time point.

Digest: This extends evidence supporting differential long-term durability between TAVR platform designs, which is critical for valve selection decisions particularly in younger, lower-risk patients where long-term performance drives clinical and economic outcomes.

Cerebral embolic protection devices designed to prevent stroke during transcatheter aortic valve replacement procedures have failed to demonstrate clinical benefit in trials and real-world use. Despite mechanistic rationale and debris capture evidence, these devices have not shown reduction in stroke rates or neurocognitive outcomes, limiting their adoption in routine TAVR practice.

Digest: The lack of clinical efficacy for stroke prevention devices leaves periprocedural stroke as an unresolved complication of TAVR, affecting patient counseling, procedural risk assessment, and development priorities for next-generation protective technologies.

A study demonstrates that women undergoing transcatheter aortic valve replacement (TAVR) experience longer survival compared to men following the procedure. This sex-based difference in post-TAVR mortality represents an important outcome disparity in structural heart interventions.

Digest: Understanding sex-specific outcomes after TAVR is critical for risk stratification, patient selection, and informed consent discussions, particularly as TAVR expands into lower-risk and younger patient populations.

A study found that GLP-1 receptor agonist weight loss medications were associated with clinical benefits in patients undergoing transcatheter aortic valve replacement (TAVR) and percutaneous coronary intervention (PCI). Specific outcome data including mortality, cardiovascular events, or procedural success rates were not detailed in the provided excerpt.

Digest: GLP-1 agonist use may influence risk stratification and periprocedural optimization strategies for TAVR candidates, particularly in obese or diabetic populations.

A five-year comparative study found that redo surgical mitral valve replacement outperformed transcatheter valve-in-valve mitral replacement for failed bioprosthetic mitral valves. The superior long-term outcomes of redo surgery over the transcatheter approach challenge current treatment preferences for this patient population.

Digest: This data may influence decision-making between redo surgical MVR and transcatheter valve-in-valve procedures, particularly in patients with acceptable surgical risk and longer life expectancy.

Early surgical aortic valve replacement (SAVR) in asymptomatic patients with aortic stenosis demonstrated long-term clinical benefits compared to conservative management. The study suggests intervention prior to symptom onset may improve outcomes in select patients with severe AS.

Digest: This challenges the traditional watchful waiting approach for asymptomatic severe AS and may influence guideline recommendations regarding timing of intervention in this patient population.

University of Colorado Hospital's Heart and Vascular Center performs approximately 3,000 interventional and structural heart procedures annually, including complex PCI with hemodynamic support and transcatheter mitral valve repair. The program has participated in pivotal trials for structural heart devices and performs 25-50 chronic total occlusion procedures and 50 Impella-supported high-risk PCI cases per year.

Digest: This academic center's experience with MitraClip procedures, complex high-risk PCI, and participation in pivotal device trials provides insights into advanced structural heart program development and procedural volumes at high-performing institutions.