Vincent Q. Sier

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 conscience. Donation of blood for...

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

Performance Under Pressure: The Role of Self-Regulation and Leadership in Dealing With Pressures in the OR

August 27, 2026 | Vincent SierGold Contributor

This qualitative study explored how surgical staff (including thoracic surgery) manage operating room (OR) pressure through 32 semi-structured interviews with surgeons, trainees, OR assistants, anesthesiologists, and anesthesia nurses in a...

JANS Article

Novel Size-Adjustable Pulmonary Valve US Early Feasibility Study: One-Year Outcomes

August 27, 2026 | Vincent SierGold Contributor

This US Food and Drug Administration (FDA)-approved prospective, single-arm, multicenter early feasibility study evaluated the Autus Size-Adjustable Valve (ASAV), a surgically implanted, fully synthetic, balloon-expandable pulmonary valve for children requiring...

JANS Article

Long-Term Outcomes of Surgical Aortic Valve Replacement Using a Third-Generation Stented Bovine Pericardial Bioprosthesis in 1907 Patients

August 20, 2026 | Vincent SierGold Contributor

This single-center retrospective study evaluated long-term outcomes after surgical aortic valve replacement with the Perimount Magna Ease bioprosthesis in 1,907 patients at 12 years of follow-up. Thirty-day mortality was 2.8...

JANS Article

Multiarterial Grafting and Survival After Coronary Artery Bypass Grafting: An Instrumental Variable Analysis

August 13, 2026 | Vincent SierGold Contributor

This retrospective Medicare analysis assessed whether multiarterial grafting (MAG) improves survival after coronary artery bypass grafting (CABG) compared with single arterial grafting (SAG), accounting for unmeasured confounding using surgeon MAG...

JANS Article

Total Endovascular Repair of Ascending Aortic Pathology: The ENDOASC Multicentre Global Study

August 6, 2026 | Vincent SierGold Contributor

This international retrospective study evaluated ascending thoracic endovascular aortic repair (TEVAR) for zone 0 ascending aortic pathology in patients generally unsuitable for open repair. Between 2011 and 2024, 58 patients...

JANS Article

Perivascular Adipose on Relaxation of Internal Thoracic Artery With Surgical Implications: Better Antispastic Effect of Pedicle Than Skeletal Grafts

July 29, 2026 | Vincent SierGold Contributor

This ex vivo study examined human internal thoracic artery (ITA) rings from 94 coronary artery bypass grafting (CABG) patients to assess whether perivascular adipose tissue (PVAT), preserved in pedicled but...

JANS Article

10-Year Outcomes of SAPIEN 3 Transcatheter Aortic Valve Replacement or Surgery in Intermediate-Risk Patients

July 16, 2026 | Vincent SierGold Contributor

This propensity-matched analysis compared 10-year outcomes after SAPIEN 3 transcatheter aortic valve replacement (TAVR) in the PARTNER 2 SAPIEN 3 Intermediate-risk Registry with surgery in the PARTNER 2A trial. Among...

JANS Article

Great Debate: Surgical Aortic Valve Replacement Is First Choice for Aortic Stenosis in Patients With a Life Expectancy Beyond 5 Years

July 16, 2026 | Vincent SierGold Contributor

This special “Great Debate” article discusses whether surgical aortic valve replacement (SAVR) should remain the first choice for aortic stenosis in patients with a life expectancy beyond five years. The...

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