Publications by authors named "Bret Alvis"

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Norepinephrine Infusion and the Central Venous Waveform in a Porcine Model of Endotoxemic Hypotension with Resuscitation: A Large Animal Study.
Zachary R Bergman, Roy K Kiberenge, Richard W Bianco, Gregory J Beilman, Colleen M Brophy, Bret D Alvis

J Invest Surg· December 2025

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Protocol and Statistical Analysis Plan for the ECMO-Free Trial: A Multicenter Randomized Controlled Trial.
Whitney D Gannon, Ricardo Teijeiro-Paradis, Matthew E Prekker, Melissa A Vogelsong, Gary S Schwartz, Bret D Alvis

medRxiv· December 2025

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Traumatic Hemorrhagic Lung Injury With Pelvic and Femur Fractures Requiring Resuscitative Balloon Occlusion of the Aorta, Operative Fixation on Dual-Circuit Venous Extracorporeal Membrane Oxygenation, and Systemic Isoflurane Sedation.
Mina F Nordness, William Tucker, Brandon Petree, Christina Boncyk, Stephen Gadomski, Bret Alvis

Chest· August 2025

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A prospective, observational study of non-invasive venous waveform analysis (NIVA) for the detection of acute low volume blood loss in humans.
Bret D Alvis, Dawson Wervey, Romy Pein, Eric Wise, Jenna Sobey

J Clin Anesth· July 2025

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Patient-specific Predictors of Haemolysis with Percutaneous Ventricular Assist Devices.
Alexander E Sullivan, Hannah Granger, Leonie Dupuis, Jonathan Napper, Lena Tran, Bret D Alvis

Card Fail Rev· February 2025

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Noninvasive Hemodynamic Monitors, What Is New and Old.
Christopher P Siemer, Lauren C Siemer, Amy L Friedman, Bret D Alvis

Adv Anesth· December 2024

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A Porcine Model of Acute Respiratory Failure with a Continuous Infusion of Oleic Acid.
Bret D Alvis, Colleen Brophy, Joyce Cheung-Flynn, Marisa Case, Kyle Hocking

J Vis Exp· March 2024

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Adult and Pediatric Porcine Model of Acute Volume Overload.
Bret D Alvis, Jenna Helmer Sobey, Lexie Vaughn, Christina Jelly, Dawson Wervey

J Vis Exp· January 2024

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Investigation of Pulse Waveform Index by Ambulatory Blood Pressure Monitoring and Cardiac Function.
Bret D Alvis, Christopher P Siemer, Kyle M Hocking

JACC Adv· January 2024

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Extracorporeal Life Support for Cardiogenic Shock in Adult Congenital Heart Disease-An ELSO Registry Analysis.
Aniket S Rali, Jonah D Garry, Raymond A Dieter, Kelly H Schlendorf, Matthew D Bacchetta, Bret D Alvis

ASAIO J· November 2023

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Evaluation of common clinical and hemodynamic parameters to pulmonary capillary wedge pressures in patients undergoing right heart catheterization.
Kyle M Hocking, Jessica Huston, Jeffery Schmeckpeper, Monica Polcz, Marisa Case, Bret D Alvis

Med Res Arch· November 2023

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The Effect of Fluid Pre-loading on Vital Signs and Hemodynamic Parameters in a Porcine Model of Lipopolysaccharide-Induced Endotoxemia.
Zachary R Bergman, Roy K Kiberenge, Richard Bianco, Gregory Beilman, Colleen M Brophy, Bret D Alvis

Cureus· August 2023

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Central Venous Waveform Analysis and Cardiac Output in a Porcine Model of Endotoxemic Hypotension and Resuscitation.
Zachary R Bergman, Roy K Kiberenge, Azmath Mohammed, Richard W Bianco, Greg J Beilman, Bret D Alvis

J Am Coll Surg· February 2023

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Noninvasive Venous Waveform Analysis Correlates With Pulmonary Capillary Wedge Pressure and Predicts 30-Day Admission in Patients With Heart Failure Undergoing Right Heart Catheterization.
Bret Alvis, Jessica Huston, Jeffery Schmeckpeper, Monica Polcz, Marisa Case

J Card Fail· December 2022

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Comparison of clinical symptoms and bioimpedance to pulmonary capillary wedge pressure in heart failure.
Monica Polcz, Jessica Huston, Meghan Breed, Marisa Case, Philip Leisy, Bret Alvis

Am Heart J Plus· March 2022

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Effect of Use of a Bougie vs Endotracheal Tube With Stylet on Successful Intubation on the First Attempt Among Critically Ill Patients Undergoing Tracheal Intubation: A Randomized Clinical Trial.
Brian E Driver, Matthew W Semler, Wesley H Self, Adit A Ginde, Stacy A Trent, Bret D Alvis

JAMA· December 2021

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Respiratory Non-Invasive Venous Waveform Analysis for Assessment of Respiratory Distress in Coronavirus Disease 2019 Patients: An Observational Study.
Bret Alvis, Lexie Vaughn, Jeffrey Schmeckpeper, Jessica Huston, Marisa Case

Crit Care Explor· October 2021

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Hemodynamic Parameters in the Assessment of Fluid Status in a Porcine Hemorrhage and Resuscitation Model.
Eric S Wise, Kyle M Hocking, Monica E Polcz, Gregory J Beilman, Colleen M Brophy, Bret D Alvis

Anesthesiology· April 2021

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Effects of an anesthesia perioperative surgical home for total knee and hip arthroplasty at a Veterans Affairs Hospital: a quality improvement before-and-after cohort study.
Bret D Alvis, Roland G Amsler, Philip J Leisy, Xiaoke Feng, Matthew S Shotwell

Can J Anaesth· March 2021

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Physiology and clinical utility of the peripheral venous waveform.
Devin Chang, Philip J Leisy, Jenna H Sobey, Srijaya K Reddy, Colleen Brophy, Bret D Alvis

JRSM Cardiovasc Dis· October 2020

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Non-Invasive Venous waveform Analysis (NIVA) for volume assessment during complex cranial vault reconstruction: A proof-of-concept study in children.
Jenna H Sobey, Srijaya K Reddy, Kyle M Hocking, Monica E Polcz, Christy M Guth, Bret D Alvis

PLoS One· September 2020

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A brief report on the effects of vasoactive agents on peripheral venous waveforms in a porcine model.
Monica Polcz, Kyle M Hocking, Devin Chang, Philip Leisy, Jenna H Sobey, Bret D Alvis

JRSM Cardiovasc Dis· August 2020

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Non-Invasive Venous waveform Analysis (NIVA) for monitoring blood loss in human blood donors and validation in a porcine hemorrhage model.
Bret D Alvis, Reid McCallister, Monica Polcz, Jose Lucio O Lima, Jenna Helmer Sobey

J Clin Anesth· May 2020

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Non-invasive venous waveform analysis (NIVA) for volume assessment in patients undergoing hemodialysis: an observational study.
Bret D Alvis, Monica Polcz, Merrick Miles, Donald Wright, Mohammad Shwetar

BMC Nephrol· May 2020

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Effect of yoga on pulse rate variability measured from a venous pressure waveform.
David Hernando, Pablo Laguna, Colleen Brophy, Raquel Bailon, Mimma Nardelli, Bret Alvis

Annu Int Conf IEEE Eng Med Biol Soc· July 2019

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