Vincent Q. Sier

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 across seven procedures, including 238...

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

Financial Burden of Postoperative Adverse Events Following Lobectomy: Cost Analysis From 10 High-Volume Canadian Hospitals

June 18, 2026 | Vincent SierGold Contributor

In this article, the authors quantify the financial burden of postoperative adverse events after lobectomy for lung cancer across 10 high-volume Canadian hospitals. Using data from 2017 to 2022, including...

JANS Article

Efficacy of Dual Antiplatelet Therapy for Three Months Versus 12 months After Coronary Artery Bypass Grafting: Multicentre, Double Blinded, Randomised Controlled Trial

June 11, 2026 | Vincent SierGold Contributor

In this article regarding the outcomes of the timing of platelet inhibition after coronary artery bypass grafting (TOP-CABG trial), the authors tested whether three months of ticagrelor-based dual antiplatelet therapy...

JANS Article

Risk of Sternal Wound Infection in Bilateral Skeletonized Internal Thoracic Artery in Coronary Artery Bypass Grafting: A Propensity Score Matching Analysis

June 4, 2026 | Vincent SierGold Contributor

In this article, the authors evaluated whether skeletonized bilateral internal mammary artery grafting increases sternal wound infection after isolated coronary artery bypass grafting (CABG). In a single-center retrospective cohort from...

JANS Article

Mechanical Load Inhibits Cancer Growth in Mouse and Human Hearts

June 4, 2026 | Vincent SierGold Contributor

In this article, the authors explored why cardiac metastases remain rare despite continuous coronary perfusion. In a mouse heterotopic heart transplantation model, lung adenocarcinoma cells showed limited growth in mechanically...

JANS Article

Six-Month Outcomes of a Trial of Potassium Supplementation Thresholds After Cardiac Surgery

May 28, 2026 | Vincent SierGold Contributor

In this article, the authors report prespecified six-month follow-up outcomes from the TIGHT K randomized trial comparing relaxed potassium supplementation after isolated coronary artery bypass grafting (CABG) surgery, triggered below...

JANS Article

Impact of Severe Uncorrected Pectus Excavatum on Outcomes After Aortic Surgery in Marfan Syndrome

May 21, 2026 | Vincent SierGold Contributor

In this retrospective cohort of 253 patients with Marfan syndrome undergoing aortic surgery, the authors evaluated the impact of severe pectus excavatum (Haller index >3.5; n=62) vs non-severe or no...

JANS Article

Refitting EuroSCORE II for 120-Day Mortality After Coronary Artery Bypass Grafting Using Nationwide Registry Data

May 21, 2026 | Vincent SierGold Contributor

In this international registry study, the authors validated and refitted EuroSCORE II to predict 120-day mortality after elective or urgent isolated coronary artery bypass grafting (CABG) using nationwide data from...

JANS Article

Percutaneous Coronary Intervention Versus Coronary Artery Bypass Grafting for Unprotected Left Main Stenosis: 10-Year Final Results From the Randomised, Open-Label, Non-Inferiority NOBLE Trial

May 13, 2026 | Vincent SierGold Contributor

In this article, the authors report the 10-year final results of the NOBLE trial comparing percutaneous coronary intervention (PCI) with newer generation drug–eluting stents vs coronary artery bypass grafting (CABG)...

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