Vincent Q. Sier

JANS Article

Influence of LAD-Diagonal Stenosis on Long-Term Patency and Ischemic Events After CABG

October 8, 2026 | Vincent SierGold Contributor

This single-center retrospective study evaluated whether stenosis in the intervening left anterior descending artery (iLAD), between the internal thoracic artery (ITA) anastomosis and diagonal bifurcation, affects ITA-LAD graft events after coronary artery bypass grafting (CABG)....

JANS Article

Jehovah’s Witnesses: Each Witness Now Decides Whether to Accept or Donate Main Blood Components

October 29, 2026 | Vincent SierGold Contributor

On September 18, 2026, the Governing Body of Jehovah’s Witnesses announced that accepting red cells, white cells, plasma, or platelets from another person’s blood is now a matter of personal...

JANS Article

Late Results of the Ross Procedure

October 22, 2026 | Vincent SierGold Contributor

This prospective single-surgeon series reports 30-year outcomes after the Ross procedure in 212 consecutive patients operated on between 1990 and 2004. The median age was 34 years; 108 patients underwent...

JANS Article

Fifth Universal Definition of Myocardial Infarction

October 15, 2026 | Vincent SierGold Contributor

This international consensus document from the European Society of Cardiology (ESC), American College of Cardiology (ACC), American Heart Association (AHA), and World Heart Federation (WHF) updates myocardial infarction (MI) classification...

JANS Article

Influence of LAD-Diagonal Stenosis on Long-Term Patency and Ischemic Events After CABG

October 8, 2026 | Vincent SierGold Contributor

This single-center retrospective study evaluated whether stenosis in the intervening left anterior descending artery (iLAD), between the internal thoracic artery (ITA) anastomosis and diagonal bifurcation, affects ITA-LAD graft events after...

JANS Article

Long-Term Thrombus-Free Left Atrial Appendage Occlusion Via Magnetofluids

April 16, 2026 | Vincent SierGold Contributor

In this article, the authors present a catheter-based left atrial appendage occlusion approach using an injectable magnetofluid that solidifies in situ into a magnetogel, aiming to overcome peri-device leak and...

JANS Article

The Excimer Laser Assisted Non-Occlusive Anastomosis (ELANA) Anastomotic System Surgical Technique to Construct Distal Anastomoses Using a Novel Device in Coronary Artery Bypass Grafting

April 2, 2026 | Vincent SierGold Contributor

In this article, the authors describe the excimer laser assisted non-occlusive anastomosis (ELANA) anastomotic system for coronary artery bypass grafting (CABG), a distal anastomotic connector that enables the construction of...

JANS Article

Free vs In-Situ Right Internal Mammary Artery as a Conduit in Coronary Artery Bypass Surgery: A Meta-Analysis

March 26, 2026 | Vincent SierGold Contributor

In this article, the authors performed a meta-analysis of 13 studies comprising 9,899 coronary artery bypass grafting (CABG) patients, comparing free right internal mammary artery (RIMA) (n = 3,095) vs...

JANS Article

Spontaneous Myocardial Infarction After Left Main Revascularization: The EXCEL Trial

March 26, 2026 | Vincent SierGold Contributor

In this pre-specified analysis of the EXCEL trial, 1,882 patients with left main disease underwent percutaneous coronary intervention (PCI) (n=952) or coronary artery bypass grafting (CABG) (n=930). At five years,...

JANS Article

Six-Year Outcomes After Transcatheter vs Surgical Aortic Valve Replacement in Low-Risk Patients With Aortic Stenosis

February 26, 2026 | Vincent SierGold Contributor

In this article, the authors report six-year outcomes from the Evolut Low Risk trial, which randomized 1,414 low-risk patients with severe aortic stenosis to transcatheter aortic valve replacement (TAVR) (n=730)...

JANS Article

Postdilation of Evolut Transcatheter Heart Valves: Insights From Bench Testing

February 26, 2026 | Vincent SierGold Contributor

In this brief report, the authors present an ex vivo bench study evaluating the impact of post-dilation strategies on Evolut FX+ transcatheter heart valves (23, 26, 29, and 34 mm)....

Video

First Repairs of the Heart

February 25, 2026 | Vincent SierGold Contributor

In the early 1800s, during the end of the pre-anesthetic era, surgery was defined by speed rather than precision, rendering deliberate intervention on the heart unthinkable. Even after the introduction...

JANS Article

Assessment of Adverse Effects Attributed to Statin Therapy in Product Labels: A Meta-Analysis of Double-Blind Randomised Controlled Trials

February 19, 2026 | Vincent SierGold Contributor

This individual participant data meta-analysis included 23 large double-blind randomized trials with a total of 154,664 participants. The authors systematically evaluated 66 adverse effects listed in statin product labels. In...

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