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

Effect of Evolocumab on Grafts Post-Coronary Artery Bypass Surgery

October 1, 2026 | Vincent SierGold Contributor

This post hoc analysis of NEWTON-CABG CardioLink-5 assessed the effects on of evolocumab on 1,275 saphenous vein grafts (SVGs), 514 internal mammary artery grafts, and 39 radial artery grafts by...

JANS Article

Validation of Expected Objective Performance Indicators in Surgical Data Analysis

October 1, 2026 | Vincent SierGold Contributor

This retrospective validation study compared conventional hard boundary objective performance indicators (OPIs) with probabilistic expected OPIs that model uncertainty in surgical step timing. Using 1,016 da Vinci Xi robotic cases...

JANS Article

Comparison of RA and Saphenous Vein as the Third Conduit With BIMA in Coronary Bypass Surgery

September 24, 2026 | Vincent SierGold Contributor

In this 27-year single-center retrospective study, the authors compared radial artery (RA) vs saphenous vein graft (SVG) as the third conduit in patients receiving bilateral internal mammary arteries (BIMA) for...

JANS Article

Supra-Annular Perceval Bentall: From Concept to Patient

September 17, 2026 | Vincent SierGold Contributor

This technical report describes the SUpra-annular PERceval Bentall (SUPERB), which utilized a Perceval Plus XL sutureless bovine pericardial valve inside a 28 mm Valsalva Dacron graft. Ex vivo testing involved...

JANS Article

Hybrid Revascularization With Robotic Totally Endoscopic Coronary Bypass and Stents

September 10, 2026 | Vincent SierGold Contributor

This single-center retrospective study examined 418 intent-to-treat hybrid coronary revascularization (HCR) patients undergoing robotic beating-heart totally endoscopic coronary artery bypass (TECAB) from 2013 to 2025, comparing those who completed planned...

JANS Article

A Promising Heart Drug Fails, Challenging a Long-Held Theory of Disease

September 10, 2026 | Vincent SierGold Contributor

Novo Nordisk reported that the ZEUS study, which involved more than 6,300 patients with heart disease or advanced kidney disease, failed to show a benefit for ziltivekimab vs placebo. Ziltivekimab...

JANS Article

Multivessel Coronary Artery Bypass Grafting via Small Thoracotomy Versus Sternotomy (MIST): An Investigator-Initiated, International, Open-Label, Randomised Controlled Trial

September 3, 2026 | Vincent SierGold Contributor

In this international randomized trial, 170 selected patients with multivessel coronary artery disease underwent minimally invasive coronary artery bypass grafting (CABG) through a small thoracotomy (n=86) or conventional sternotomy (n=84)....

JANS Article

Dapagliflozin and Acute Kidney Injury Following, Cardiac Surgery: A Randomized Clinical Trial

September 3, 2026 | Vincent SierGold Contributor

In this Dutch multicenter, double-blind trial, 784 adults undergoing elective cardiac surgery received dapagliflozin 10 mg (n=392) or placebo (n=392), starting one day preoperatively for four doses. Acute kidney injury...

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...

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