Scholars@Duke
Yuriy Semenovich Bronshteyn

Yuriy Semenovich Bronshteyn

Associate Professor of Anesthesiology
Anesthesiology, Critical Care Medicine
yuriy.bronshteyn@duke.edu
DUMC Box 3094, Durham, NC 27710
DUMC Box 3094, Durham, NC 27710

Selected Publications

A Scoping Review of Validated Echocardiographic Methods for Grading Right Ventricular Dysfunction: Proposal for an Evidence-Based Multiparametric Framework.

Journal Article J Cardiothorac Vasc Anesth · November 2025 Assessing the severity of right ventricular (RV) dysfunction using echocardiography (echo) remains subjective, in part because current guidelines do not recommend how to synthesize various echo parameters to form a global assessment of RV dysfunction. To a ... Full text Link to item Cite

Pro: Use of Sterile Technique for Ultrasound-guided Noncentral Line Vascular Access Procedures.

Journal Article Journal of cardiothoracic and vascular anesthesia · October 2025 Full text Cite

An Evidence-Based Echocardiographic Image Acquisition Protocol for Evaluating Right Ventricular Function.

Journal Article J Vis Exp · July 22, 2025 A major risk factor for morbidity and mortality in critical illness is the presence of right ventricular dysfunction (RVD). However, characterizing and grading the severity of RVD remains highly subjective, with significant inter-operator and intra-operato ... Full text Link to item Cite

Point-of-care Ultrasound to Screen for Gastrointestinal Dysfunction: Image Acquisition and Interpretation.

Journal Article J Vis Exp · July 3, 2025 A major cause of morbidity and healthcare resource utilization is gastrointestinal (GI) dysfunction. Although GI symptoms are frequently evaluated with computed tomography (CT), this modality subjects patients to ionizing radiation, high costs, and high re ... Full text Link to item Cite

Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation.

Journal Article J Vis Exp · May 16, 2025 Providers in many medical specialties must accurately assess the hemodynamic circuit to deliver appropriate patient care. Venous congestion is increasingly implicated in a range of multiorgan complications. However, hemodynamic assessment remains challengi ... Full text Link to item Cite

ASRA pain medicine narrative review and expert practice recommendations for gastric point-of-care ultrasound to assess aspiration risk in medically complex patients undergoing regional anesthesia and pain procedures.

Journal Article Reg Anesth Pain Med · April 18, 2025 Gastric point-of-care ultrasound (POCUS) may offer clinical value in assessing aspiration risk among medically complex patients undergoing regional anesthesia and pain procedures. While the American Society of Anesthesiologists (ASA) preoperative fasting g ... Full text Link to item Cite

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients.

Journal Article J Vis Exp · April 18, 2025 Point-of-care ultrasound, or POCUS, has gathered significant interest as a tool to augment clinical decision-making in the care of acutely ill patients. Patients with hemodynamic instability, in particular, require immediate intervention and are at high ri ... Full text Link to item Cite

Diaphragmatic Ultrasound in Adults: Image Acquisition and Interpretation.

Journal Article J Vis Exp · January 31, 2025 Diaphragm dysfunction is a widely recognized concern across numerous medical specialties and clinical settings. Timely and accurate assessment of the diaphragm is vital not only in critically ill patients, where it has a role in weaning from mechanical ven ... Full text Link to item Cite

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting.

Journal Article J Vis Exp · January 17, 2025 Over the past several decades, veno-arterial extracorporeal membrane oxygenation (V-A ECMO) has become a critical tool in the management of patients with severe cardiogenic shock and cardiopulmonary failure. Due to the inherent instability of these patient ... Full text Link to item Cite

Point-of-Care Ultrasound in Post-acute and Long-Term Care: A Scoping Review.

Journal Article J Am Med Dir Assoc · January 2025 OBJECTIVES: Point-of-care ultrasound (POCUS) is an emerging application of ultrasonography that is being integrated into patient care in many medical specialties. The post-acute and long-term care (PALTC) setting has opportunities to adopt POCUS as a diagn ... Full text Link to item Cite

Mistaken Identity: Misidentification of Other Vascular Structures as the Inferior Vena Cava and How to Avoid It

Journal Article Diagnostics · October 1, 2024 While point-of-care ultrasound (POCUS) of the inferior vena cava (IVC) is broadly perceived as having value in intravascular volume status assessment, this has not been borne out in large-scale meta-analyses containing heterogenous populations of acutely i ... Full text Cite

Point of Care Transcranial Color-Coded Duplex Ultrasound of the Middle Cerebral Artery.

Journal Article J Vis Exp · August 9, 2024 In the assessment and management of many clinical problems, point-of-care (PoC) ultrasound is an emerging bedside tool. Transcranial color-coded duplex (TCCD) ultrasound can be valuable in multiple situations, including for patients who are unconscious or ... Full text Link to item Cite

Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment.

Journal Article J Vis Exp · July 26, 2024 Frailty is a significant predictor of a range of adverse outcomes in surgical patients, including increased mechanical ventilation time, longer hospital stays, unplanned readmissions, stroke, delirium, and death. However, accessible tools for screening in ... Full text Link to item Cite

Recommendations for Cardiac Point-of-Care Ultrasound Nomenclature.

Journal Article J Am Soc Echocardiogr · July 11, 2024 Point-of-care ultrasound (POCUS) involves the acquisition, interpretation, and immediate clinical integration of ultrasonographic imaging performed by a treating clinician. The current state of cardiac POCUS terminology is heterogeneous and ambiguous, in p ... Full text Link to item Cite

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition.

Journal Article J Vis Exp · June 21, 2024 A range of conditions involving the kidneys and urinary bladder can cause organ-threatening complications that are preventable if diagnosed promptly with diagnostic imaging. Common imaging modalities include either computed tomography or diagnostic ultraso ... Full text Link to item Cite

Blood or Fat? Differentiating Hemopericardium versus Epicardial Fat Using Focused Cardiac Ultrasound.

Journal Article Diagnostics (Basel) · April 15, 2024 Basic point-of-care ultrasound of the heart-also known as Focused Cardiac Ultrasound (FoCUS)-has emerged as a powerful bedside tool to narrow the differential diagnosis of causes of hypotension. The list of causes of hypotension that a FoCUS provider is ex ... Full text Link to item Cite

Phenobarbital versus benzodiazepines in alcohol withdrawal syndrome.

Journal Article Neuropsychopharmacol Rep · December 2023 AIM: Phenobarbital, a long-acting barbiturate, presents an alternative to conventional benzodiazepine treatment for alcohol withdrawal syndrome (AWS). Currently, existing research offers only modest guidance on the safety and effectiveness of phenobarbital ... Full text Link to item Cite

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation.

Journal Article J Vis Exp · September 22, 2023 Over the past two decades, diagnostic point-of-care ultrasound (POCUS) has emerged as a rapid and non-invasive bedside tool for addressing clinical inquiries related to gastric content. One emerging concern pertains to patients about to undergo sedation an ... Full text Link to item Cite

Focused Assessment with Sonography for Trauma (FAST) Exam: Image Acquisition.

Journal Article J Vis Exp · September 22, 2023 Over the past twenty years, the Focused Assessment with Sonography for Trauma (FAST) exam has transformed the care of patients presenting with a combination of trauma (blunt or penetrating) and hypotension. In these hemodynamically unstable trauma patients ... Full text Link to item Cite

Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition.

Journal Article J Vis Exp · August 18, 2023 The goal of this protocol is to develop a standardized method for acquiring images of the optic nerve sheath and measuring the optic nerve sheath diameter (ONSD). Diagnostic ultrasound of the ONSD to detect intracranial hypertension has traditionally faced ... Full text Link to item Cite

Point-of-Care Lung Ultrasound in Adults: Image Acquisition.

Journal Article J Vis Exp · March 3, 2023 Consultative ultrasound performed by radiologists has traditionally not been used for imaging the lungs, as the lungs' air-filled nature normally prevents direct visualization of the lung parenchyma. When showing the lung parenchyma, ultrasound typically g ... Full text Link to item Cite

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis.

Journal Article J Vis Exp · February 10, 2023 Acute lower extremity deep venous thrombosis (DVT) is a serious vascular disorder that requires accurate and early diagnosis to prevent life-threatening sequelae. While whole leg compression ultrasound with color and spectral Doppler is commonly performed ... Full text Link to item Cite

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava.

Journal Article J Vis Exp · January 13, 2023 Over the past several decades, clinicians have incorporated several applications of diagnostic point-of-care ultrasound (POCUS) into medical decision-making. Among the applications of POCUS, imaging the inferior vena cava (IVC) is practiced by a wide varie ... Full text Link to item Cite

Diagnostic Point-of-Care Ultrasound: Recommendations From an Expert Panel.

Journal Article J Cardiothorac Vasc Anesth · January 2022 Diagnostic point-of-care ultrasound (PoCUS) has emerged as a powerful tool to help anesthesiologists guide patient care in both the perioperative setting and the subspecialty arenas. Although anesthesiologists can turn to guideline statements pertaining to ... Full text Link to item Cite

American Society of Regional Anesthesia and Pain Medicine expert panel recommendations on point-of-care ultrasound education and training for regional anesthesiologists and pain physicians-part I: clinical indications.

Journal Article Reg Anesth Pain Med · December 2021 Point-of-care ultrasound (POCUS) is a critical skill for all regional anesthesiologists and pain physicians to help diagnose relevant complications related to routine practice and guide perioperative management. In an effort to inform the regional anesthes ... Full text Link to item Cite

American Society of Regional Anesthesia and Pain Medicine expert panel recommendations on point-of-care ultrasound education and training for regional anesthesiologists and pain physicians-part II: recommendations.

Journal Article Reg Anesth Pain Med · December 2021 Point-of-care ultrasound (POCUS) is a critical skill for all regional anesthesiologists and pain physicians to help diagnose relevant complications related to routine practice and guide perioperative management. In an effort to inform the regional anesthes ... Full text Link to item Cite

The Year in Perioperative Echocardiography: Selected Highlights from 2020.

Journal Article J Cardiothorac Vasc Anesth · September 2021 This article is the fifth of an annual series reviewing the research highlights of the year pertaining to the subspecialty of perioperative echocardiography for the Journal of Cardiothoracic and Vascular Anesthesia. The authors thank Editor-in-Chief Dr. Ka ... Full text Link to item Cite

Perioperative Management of Flecainide: A Problem-Based Learning Discussion.

Journal Article A A Pract · April 1, 2021 Flecainide is a first-line antiarrhythmic drug used to treat atrial arrhythmias and/or supraventricular tachycardia in those without coronary artery disease or structural heart disease. Even though it is an older antiarrhythmic, flecainide accounted for 1. ... Full text Link to item Cite

A Case Report of Bilateral Phrenic Nerve Dysfunction After Unilateral Supraclavicular Brachial Plexus Block: Unveiling Preexisting Diaphragmatic Dysfunction.

Journal Article A A Pract · March 30, 2021 A 48-year-old woman with a history of cardiac surgery developed severe dyspnea and anxiety following right-sided supraclavicular nerve block for hand surgery. In this case, right phrenic nerve blockade from a supraclavicular block unmasked a subclinical he ... Full text Link to item Cite

Pneumonia: Hiding in Plain (Film) Sight.

Journal Article J Cardiothorac Vasc Anesth · November 2020 Herein, a case describing how point-of-care lung ultrasound was used to identify the source of progressive multiorgan failure when a chest x-ray and other routine tests failed to provide a conclusive answer is presented. The discussion after the case focus ... Full text Link to item Cite

Focused cardiac ultrasound in preoperative assessment: the perioperative provider's new stethoscope?

Journal Article Perioper Med (Lond) · 2019 Focused cardiac ultrasound (FoCUS)-a simplified, qualitative version of echocardiography-is a well-established tool in the armamentarium of critical care and emergency medicine. This review explores the extent to which FoCUS could also be used to enhance t ... Full text Open Access Link to item Cite

Wait! Wait! I Am Not Dead Yet!

Journal Article Crit Care Med · May 2017 Full text Link to item Cite

Sepsis in the Operating Room: A Simulation Case for Perioperative Providers.

Journal Article MedEdPORTAL · March 30, 2017 INTRODUCTION: Sepsis should be included in the differential of any patient with unexplained organ dysfunction, whether or not an obvious infection is initially detected. Perioperative providers frequently care for patients with sepsis. This simulation case ... Full text Link to item Cite

Value-based healthcare.

Journal Article Anesthesiology · December 2013 Full text Link to item Cite

Help for the miffed heart.

Journal Article Crit Care Med · July 2013 Full text Link to item Cite

To breathe, or not to breathe?

Journal Article Crit Care Med · January 2013 Full text Link to item Cite

CATL 40-Redox tuning over 100s of mV via H-bonding and control of redox-coupled protons, in superoxide dismutase

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · August 19, 2007 Link to item Cite

How can a single second sphere amino acid substitution cause reduction midpoint potential changes of hundreds of millivolts?

Journal Article J Am Chem Soc · August 15, 2007 The active site metal ion of superoxide dismutase (SOD) is reduced and reoxidized as it disproportionates superoxide to dioxygen and hydrogen peroxide. Thus, the reduction midpoint potential (Em) is a critical determinant of catalytic activity. In E. coli ... Full text Link to item Cite