William A. Gray
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View article: Snorkel Stenting During Transcatheter Aortic Valve Implantation: A Single-Center Study
Snorkel Stenting During Transcatheter Aortic Valve Implantation: A Single-Center Study Open
Background and Objectives: Coronary obstruction (CO) is a potentially fatal complication that can occur during transcatheter aortic valve implantation (TAVI). The snorkel stenting technique was developed to mitigate the risk of CO. The aim…
View article: Tricuspid valve replacement outcomes by baseline tricuspid regurgitation severity: the TRISCEND II trial
Tricuspid valve replacement outcomes by baseline tricuspid regurgitation severity: the TRISCEND II trial Open
Background and Aims The TRISCEND II trial demonstrated superior clinical benefits for patients with ≥severe tricuspid regurgitation (TR) treated with the EVOQUE transcatheter tricuspid valve replacement (TTVR) system plus medical therapy v…
View article: Evolution of Untreated Moderate Mitral Regurgitation After Transcatheter Aortic Valve Implantation
Evolution of Untreated Moderate Mitral Regurgitation After Transcatheter Aortic Valve Implantation Open
Background and Objectives: Associated mitral regurgitation (MR) is frequently observed during transcatheter aortic valve implantation (TAVI). The progression of moderate MR remains undetermined, given uncertain clinical significance and na…
View article: Left atrial to coronary sinus shunting in more advanced heart failure with preserved ejection fraction
Left atrial to coronary sinus shunting in more advanced heart failure with preserved ejection fraction Open
Aims Inter‐atrial shunt device therapy has shown mixed results in clinical trials, with clinical ‘non‐responders’ typically showing features of more advanced heart failure. We aimed to analyse the haemodynamic and clinical response of a no…
View article: Left Atrial-to-Coronary Sinus Shunting in Heart Failure With Mildly Reduced or Preserved Ejection Fraction
Left Atrial-to-Coronary Sinus Shunting in Heart Failure With Mildly Reduced or Preserved Ejection Fraction Open
In patients with HF and LVEF >40%, the APTURE shunt confirmed an acceptable safety profile with improvements in HF symptoms, quality of life, and functional capacity without negatively affecting right and left heart function after 2 years,…
View article: The PERFORMANCE II Trial
The PERFORMANCE II Trial Open
The rate of major adverse events was extremely low, demonstrating the study system is a safe, effective, and durable treatment option for high-risk patients. (Protection against Emboli during caRotid artery stenting using a 3-in-1 delivery…
View article: Transcatheter Aortic Valve-in-Valve Implantation with Newer Generation Evolut Valve by Size of Failed Bioprosthesis
Transcatheter Aortic Valve-in-Valve Implantation with Newer Generation Evolut Valve by Size of Failed Bioprosthesis Open
Valve-in-valve transcatheter aortic valve replacement for small bioprostheses was associated with worse early and midterm outcomes compared with those for large bioprostheses.
View article: 16. Clinical Outcomes of Transcatheter Aortic Valve Replacement in Patients with Various Flow-Gradient and Ejection Fraction Profiles
16. Clinical Outcomes of Transcatheter Aortic Valve Replacement in Patients with Various Flow-Gradient and Ejection Fraction Profiles Open
In addition to both LF-LG with pEF and rEF AS, LF-HG with pEF AS had a higher all-cause mortality rate after TAVR compared to NF-HG AS.
View article: Clinical and economic implications of focal dissection treatment following percutaneous transluminal angioplasty of the superficial femoral artery: an exploratory analysis based on the TOBA II Study
Clinical and economic implications of focal dissection treatment following percutaneous transluminal angioplasty of the superficial femoral artery: an exploratory analysis based on the TOBA II Study Open
Aim: Percutaneous transluminal angioplasty (PTA) for peripheral artery disease (PAD) commonly leads to dissections which are associated with higher target lesion revascularization (TLR) rates. Clinical and economic consequences of dissecti…
View article: Impact of Flow-Gradient Patterns on Outcomes of Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis with Preserved Left Ventricular Ejection Fraction
Impact of Flow-Gradient Patterns on Outcomes of Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis with Preserved Left Ventricular Ejection Fraction Open
To compare the clinical outcomes of transcatheter aortic valve replacement (TAVR) in patients with severe aortic stenosis (AS) and preserved ejection fraction (pEF) according to flow-gradient status.This retrospective study focused on pati…
View article: Clinical Outcomes and Cost Analysis in Patients with Heart Failure Undergoing Transcatheter Edge-to-Edge Repair for Mitral Valve Regurgitation
Clinical Outcomes and Cost Analysis in Patients with Heart Failure Undergoing Transcatheter Edge-to-Edge Repair for Mitral Valve Regurgitation Open
Objective: To analyze the clinical and cost outcomes of transcatheter edge-to-edge repair (TEER) for mitral regurgitation (MR) in heart failure (HF) patients. Methods: All 162 HF patients undergoing TEER for MR between January 2019 and Mar…
View article: Polymer-based drug-eluting stent treatment extends the time to reintervention for patients with symptomatic femoropopliteal artery disease: clinical evidence and potential economic value
Polymer-based drug-eluting stent treatment extends the time to reintervention for patients with symptomatic femoropopliteal artery disease: clinical evidence and potential economic value Open
Aim: Use long-term follow-up data from the IMPERIAL study to determine whether drug-eluting polymer-based nitinol stent treatment can delay the time to repeat intervention for femoropopliteal artery disease and how such a delay may result …
View article: Why selective screening for asymptomatic carotid stenosis is currently appropriate: a special report
Why selective screening for asymptomatic carotid stenosis is currently appropriate: a special report Open
Mass screening programs for AsxCS are neither clinically effective nor cost-effective. Nevertheless, targeted screening of populations at high risk for AsxCS provides an opportunity to identify these individuals earlier rather than later a…
View article: Impact of Atrial Fibrillation Type on Outcomes of Transcatheter Aortic Valve Replacement for Aortic Stenosis: A Single-Center Analysis
Impact of Atrial Fibrillation Type on Outcomes of Transcatheter Aortic Valve Replacement for Aortic Stenosis: A Single-Center Analysis Open
Background: Atrial fibrillation (AF) is a recognized risk factor for mortality after transcatheter aortic valve replacement for severe aortic stenosis, but the impact of different types of AF on clinical outcomes remains unclear. Methods: …
View article: Effect of Elevated Body Mass Index on Outcomes of Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis
Effect of Elevated Body Mass Index on Outcomes of Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis Open
In this study, the "obesity paradox" was not observed in patients undergoing TAVR; rather, in patients with significant lung disease, obesity may be associated with worse midterm outcomes after TAVR.
View article: Long-term clinical outcomes of robotic-assisted surgical coronary artery revascularisation
Long-term clinical outcomes of robotic-assisted surgical coronary artery revascularisation Open
Robotic-assisted CABG and HCR provide good long-term outcomes in patients who are not candidates for conventional CABG.
View article: Cross-Validation of Risk Scores for Patients Undergoing Transcatheter Edge-to-Edge Repair for Mitral Regurgitation
Cross-Validation of Risk Scores for Patients Undergoing Transcatheter Edge-to-Edge Repair for Mitral Regurgitation Open
The COAPT risk score and MitraScore are simple tools that are useful for the prediction of 2-year mortality in patients eligible for or undergoing treatment with TEER.
View article: Atrial Shunt Therapy for Heart Failure: An Update
Atrial Shunt Therapy for Heart Failure: An Update Open
Transcatheter atrial shunt therapies, designed to dynamically lower left atrial (LA) pressure by shunting blood into the larger reservoir of the right atrium and central veins, have been developed as a novel treatment for heart failure (HF…
View article: Five-year Outcomes of Transcatheter Edge-to-Edge Repair in Patients with Mitral Regurgitation and Cardiogenic Shock
Five-year Outcomes of Transcatheter Edge-to-Edge Repair in Patients with Mitral Regurgitation and Cardiogenic Shock Open
Objective: To analyze five-year clinical and echocardiographic outcomes in patients presenting with acute cardiogenic shock (CS) who underwent transcatheter edge-to-edge repair (TEER) for moderate or severe mitral valve regurgitation (MR).…
View article: Hypoechoic Halo Imaging Findings Following Femoropopliteal Artery Stent Implantation
Hypoechoic Halo Imaging Findings Following Femoropopliteal Artery Stent Implantation Open
A hypoechoic halo following a femoropopliteal stent procedure is a common occurrence associated with all studied stent types. The presence of a halo appears to be benign with no associated clinical sequelae or effect on target vessel revas…