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Bret D Alvis

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Articles 29
Citations 239
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Recent Articles
1.
Sullivan A, Granger H, Dupuis L, Napper J, Tran L, Laws J, et al.
Card Fail Rev . 2025 Mar; 11:e04. PMID: 40083653
Introduction: Percutaneous ventricular assist devices (pVADs) are increasingly used in cardiogenic shock but are associated with complications including haemolysis. The aim of this study was to investigate patient characteristics associated...
2.
Bergman Z, Kiberenge R, Bianco R, Beilman G, Brophy C, Hocking K, et al.
J Invest Surg . 2025 Jan; 38(1):2445603. PMID: 39761972
Background: Venous waveform analysis is an emerging technique to estimate intravascular fluid status by fast Fourier transform deconvolution. Fluid status has been shown proportional to , the amplitude of the...
3.
Siemer C, Siemer L, Friedman A, Alvis B
Adv Anesth . 2024 Oct; 42(1):151-170. PMID: 39443047
This article reviews the evolution of noninvasive hemodynamic monitoring technologies, highlighting their importance in perioperative and critical care settings. Initially dominated by invasive methods, the field has shifted toward noninvasive...
4.
Alvis B, Siemer C, Hocking K
JACC Adv . 2024 Jun; 3(1):100739. PMID: 38939818
No abstract available.
5.
Alvis B, Brophy C, Cheung-Flynn J, Case M, Hocking K
J Vis Exp . 2024 Mar; (205). PMID: 38526074
This protocol outlines an acute respiratory distress model utilizing centrally administered oleic acid infusion in Yorkshire pigs. Prior to experimentation, each pig underwent general anesthesia, endotracheal intubation, and mechanical ventilation,...
6.
Alvis B, Sobey J, Vaughn L, Jelly C, Wervey D, Cheung-Flynn J, et al.
J Vis Exp . 2024 Jan; (203). PMID: 38284537
This protocol describes an acute volume overload porcine model for adult Yorkshire pigs and piglets. Both swine ages undergo general anesthesia, endotracheal intubation, and mechanical ventilation. A central venous catheter...
7.
Hocking K, Huston J, Schmeckpeper J, Polcz M, Case M, Breed M, et al.
Med Res Arch . 2024 Jan; 10(11). PMID: 38249786
Introduction: A cornerstone of heart failure assessment is the right heart catheterization and the pulmonary capillary wedge pressure measurement it can provide. Clinical and hemodynamic parameters such as weight and...
8.
Bergman Z, Kiberenge R, Bianco R, Beilman G, Brophy C, Hocking K, et al.
Cureus . 2023 Sep; 15(8):e43103. PMID: 37692606
Background Animal models of distributive hypotension and resuscitation allow the assessment of hemodynamic monitoring modalities and resuscitation strategies. The fluid-first paradigm for resuscitation is currently being challenged with clinical trials....
9.
Rali A, Garry J, Dieter R, Schlendorf K, Bacchetta M, Zalawadiya S, et al.
ASAIO J . 2023 Aug; 69(11):984-992. PMID: 37549669
There are minimal data on the use of venoarterial extracorporeal membrane life support (VA-ECLS) in adult congenital heart disease (ACHD) patients presenting with cardiogenic shock (CS). This study sought to...
10.
Bergman Z, Kiberenge R, Mohammed A, Bianco R, Beilman G, Brophy C, et al.
J Am Coll Surg . 2023 Jan; 236(2):294-304. PMID: 36648257
Background: Cardiac output (CO) is a valuable proxy for perfusion, and governs volume responsiveness during resuscitation from distributive shock. The underappreciated venous system has nuanced physiology that confers valuable hemodynamic...