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Julie K. Freed MD, PhD

Julie K. Freed MD, PhD profile photo picture

Assistant Professor

Institution: Medical College of Wisconsin
Department: Anesthesiology
Division: Clinical
Program: Operating Room Service

Member of the Cancer Center
Member of the Cardiovascular Center


Research Experience

  • Adult
  • Arterioles
  • Coronary Vessels
  • Endothelial Cells
  • Endothelium, Vascular
  • Humans
  • Microcirculation
  • Nitric Oxide
  • Clinical Expertise

  • Anesthesia, Cardiac Procedures
  • Echocardiography, Transesophageal
  • Leadership Positions

  • Director of Clinical Research, Department of Anesthesiology
  • Publications (36)

  • Characteristics associated with Publication of Randomized Controlled Trials in the Journal of Cardiothoracic and Vascular Anesthesia: A 15-Year Analysis, 2004-2018. (Pagel PS, Lazicki TJ, Izquierdo DA, Boettcher BT, Tawil JN, Freed JK) J Cardiothorac Vasc Anesth 2020 Apr;34(4):857-864 PMID: 31836407 SCOPUS ID: 2-s2.0-85076560651 12/15/2019       1 Citation
  • You Are Only as Frail as Your Arteries: Prehabilitation of Elderly Surgical Patients (Durand MJ, Beckert AK, Peterson CY, Ludwig KA, Ridolfi TJ, Lauer KK, Freed JK) Current Anesthesiology Reports 1 December 2019;9(4):380-386 SCOPUS ID: 2-s2.0-85079022988 12/01/2019    
  • Cobalt Blues: A New Complication of Hydroxocobalamin Therapy for Vasopressor-Resistant Vasoplegia in Patients Treated With Chronic Renal Replacement Therapy? (Pagel PS, Tawil JN, Freed JK) J Cardiothorac Vasc Anesth 2019 12;33(12):3406-3408 PMID: 31537403 SCOPUS ID: 2-s2.0-85072186209 09/21/2019       1 Citation
  • Manipulation of the Sphingolipid Rheostat Influences the Mediator of Flow-Induced Dilation in the Human Microvasculature. (Schulz ME, Katunaric B, Hockenberry JC, Gutterman DD, Freed JK) J Am Heart Assoc 2019 09 03;8(17):e013153 PMID: 31462128 PMCID: PMC6755855 SCOPUS ID: 2-s2.0-85071627825 08/30/2019       1 Citation
  • Gender Composition and Trends of Journal of Cardiothoracic and Vascular Anesthesia Editorial Board Membership: A 33-Year Analysis, 1987-2019. (Pagel PS, Freed JK, Lien CA) J Cardiothorac Vasc Anesth 2019 Dec;33(12):3229-3234 PMID: 31412981 SCOPUS ID: 2-s2.0-85070355320 08/16/2019       4 Citations
  • Detrimental effects of chemotherapy on human coronary microvascular function. (Hader SN, Zinkevich N, Norwood Toro LE, Kriegel AJ, Kong A, Freed JK, Gutterman DD, Beyer AM) Am J Physiol Heart Circ Physiol 2019 10 01;317(4):H705-H710 PMID: 31397169 PMCID: PMC6843017 SCOPUS ID: 2-s2.0-85072508643 08/10/2019       2 Citations
  • High-Dose Vitamin B12 in Vasodilatory Shock: A Narrative Review. (Patel JJ, Venegas-Borsellino C, Willoughby R, Freed JK) Nutr Clin Pract 2019 Aug;34(4):514-520 PMID: 31187494 SCOPUS ID: 2-s2.0-85067343132 06/13/2019       3 Citations
  • Gender Differences in Authorship in the Journal of Cardiothoracic and Vascular Anesthesia: A 28-Year Analysis of Publications Originating From the United States, 1990-2017. (Pagel PS, Freed JK, Lien CA) J Cardiothorac Vasc Anesth 2019 03;33(3):593-599 PMID: 30638921 SCOPUS ID: 2-s2.0-85059613187 01/15/2019       7 Citations
  • Healing the Broken Heart With Adrenomedullin. (Freed JK) Circ Res 2019 01 04;124(1):15-17 PMID: 30605409 SCOPUS ID: 2-s2.0-85059495332 01/04/2019    
  • A 50-year analysis of gender differences in United States authorship of original research articles in two major anesthesiology journals (Pagel PS, Freed JK, Lien CA) Scientometrics 2019 SCOPUS ID: 2-s2.0-85069887802 01/01/2019    
  • Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery. (Pagel PS, Dye L 3rd, Hill GED, Vega JL, Tawil JN, De Vry DJ, Chandrashekarappa K, Iqbal Z, Boettcher BT, Freed JK) J Vis Exp 2018 11 28(141) PMID: 30582607 SCOPUS ID: 2-s2.0-85058138415 12/26/2018    
  • There is no way to sugar coat it, you are getting older. (Freed JK, Durand MJ) Am J Physiol Heart Circ Physiol 2018 09 01;315(3):H632-H633 PMID: 29906230 SCOPUS ID: 2-s2.0-85052948336 06/16/2018    
  • Advanced Age Attenuates Left Ventricular Filling Efficiency Quantified Using Vortex Formation Time: A Study of Octogenarians With Normal Left Ventricular Systolic Function Undergoing Coronary Artery Surgery. (Pagel PS, Dye L 3rd, Boettcher BT, Freed JK) J Cardiothorac Vasc Anesth 2018 08;32(4):1775-1779 PMID: 29525195 SCOPUS ID: 2-s2.0-85042941834 03/12/2018       2 Citations
  • Cardiac Physiology (Pagel PS, Freed JK) Kaplan's Essentials of Cardiac Anesthesia for Cardiac Surgery 6 December 2017:62-79 SCOPUS ID: 2-s2.0-85054465241 12/06/2017    
  • A Rare Cause of Intermittent Dyspnea, Occasional Palpitations, and Atypical Chest Discomfort. (Dye L 3rd, Freed JK, Leschke JR, Pagel PS) J Cardiothorac Vasc Anesth 2018 08;32(4):2031-2033 PMID: 29196139 SCOPUS ID: 2-s2.0-85035239514 12/03/2017       1 Citation
  • An Unusual Cause of an Isolated Transient Ischemic Attack in an Otherwise Healthy Elderly Man. (Freed JK, Simon JA, Iqbal Z, Almassi GH, Pagel PS) J Cardiothorac Vasc Anesth 2018 06;32(3):1529-1532 PMID: 28927695 SCOPUS ID: 2-s2.0-85029484659 09/21/2017    
  • Hydroxocobalamin With or Without Methylene Blue May Improve Fluid Balance in Critically Ill Patients With Vasoplegic Syndrome After Cardiac Surgery: A Report of Two Cases. (Zundel MT, Feih JT, Rinka JRG, Boettcher BT, Freed JK, Kaiser M, Ghadiali HY, Tawil JN, Woehlck HJ, Pagel PS) J Cardiothorac Vasc Anesth 2018 02;32(1):452-457 PMID: 28778773 SCOPUS ID: 2-s2.0-85026519109 08/06/2017       10 Citations
  • An Unusual Finding in a Woman Undergoing Resection of a Large Anterior Mediastinal Mass. (Freed JK, Dyer AJ, Olund TJ, Veldheer DJ, Boettcher BT, Pagel PS) J Cardiothorac Vasc Anesth 2018 04;32(2):1090-1092 PMID: 28774641 SCOPUS ID: 2-s2.0-85026345913 08/05/2017    
  • An Unexpected Finding During Repair of An Ascending Aortic Aneurysm. (Boettcher BT, Mungara C, Manupipatpong KK, Freed JK, Kaiser M, Pagel PS) J Cardiothorac Vasc Anesth 2018 02;32(1):600-602 PMID: 28552298 SCOPUS ID: 2-s2.0-85019612165 05/30/2017    
  • PGC-1α (Peroxisome Proliferator-Activated Receptor γ Coactivator 1-α) Overexpression in Coronary Artery Disease Recruits NO and Hydrogen Peroxide During Flow-Mediated Dilation and Protects Against Increased Intraluminal Pressure. (Kadlec AO, Chabowski DS, Ait-Aissa K, Hockenberry JC, Otterson MF, Durand MJ, Freed JK, Beyer AM, Gutterman DD) Hypertension 2017 07;70(1):166-173 PMID: 28533333 PMCID: PMC5485836 SCOPUS ID: 2-s2.0-85019610110 05/24/2017       19 Citations
  • Communication Is Key: Mechanisms of Intercellular Signaling in Vasodilation. (Freed JK, Gutterman DD) J Cardiovasc Pharmacol 2017 May;69(5):264-272 PMID: 28482351 PMCID: PMC5424612 SCOPUS ID: 2-s2.0-85019730447 05/10/2017       11 Citations
  • Moderate, Short-Term, Local Hyperglycemia Attenuates Forearm Endothelium-Dependent Vasodilation After Transient Ischemia-Reperfusion in Human Volunteers. (Ebert TJ, Novalija J, Barney JA, Uhrich TD, Arain SR, Freed JK, Pagel PS) J Cardiothorac Vasc Anesth 2017 Oct;31(5):1649-1655 PMID: 28284926 SCOPUS ID: 2-s2.0-85015618612 03/13/2017       1 Citation
  • Mitochondria-regulated formation of endothelium-derived extracellular vesicles shifts the mediator of flow-induced vasodilation. (Freed JK, Durand MJ, Hoffmann BR, Densmore JC, Greene AS, Gutterman DD) Am J Physiol Heart Circ Physiol 2017 May 01;312(5):H1096-H1104 PMID: 28213406 PMCID: PMC5451582 SCOPUS ID: 2-s2.0-85019633788 02/19/2017       10 Citations
  • A Rare Complication of Metastatic Osteosarcoma. (Pagel PS, Davidovich RM, Steck DT, Freed JK, Boettcher BT) J Cardiothorac Vasc Anesth 2017 08;31(4):1540-1541 PMID: 28094173 SCOPUS ID: 2-s2.0-85009820764 01/18/2017    
  • Treatment of Vasoplegic Syndrome With Intravenous Hydroxocobalamin During Liver Transplantation. (Boettcher BT, Woehlck HJ, Reck SE, Hong JC, Zimmerman MA, Kim J, Zundel MT, Freed JK, Pagel PS) J Cardiothorac Vasc Anesth 2017 08;31(4):1381-1384 PMID: 28012726 SCOPUS ID: 2-s2.0-85008219279 12/26/2016       16 Citations
  • Short-Term Angiotensin Subtype 1 Receptor Blockade Does Not Alter the Circulatory Responses to Sympathetic Nervous System Modulation in Healthy Volunteers Before and During Sevoflurane Anesthesia: Results of a Pilot Study. (Arain SR, Freed JK, Novalija J, Pagel PS, Ebert TJ) J Cardiothorac Vasc Anesth 2016 Dec;30(6):1479-1484 PMID: 27751762 SCOPUS ID: 2-s2.0-84991281580 10/19/2016    
  • A Rare Complication of Cardiopulmonary Resuscitation After Mitral Valve Replacement. (Pagel PS, Sethi P, Freed JK, Boettcher BT, Hossein Almassi G) J Cardiothorac Vasc Anesth 2017 04;31(2):770-772 PMID: 27693210 SCOPUS ID: 2-s2.0-85008637626 10/04/2016       1 Citation
  • Moderate Aortic Valvular Insufficiency Invalidates Vortex Formation Time as an Index of Left Ventricular Filling Efficiency in Patients With Severe Degenerative Calcific Aortic Stenosis Undergoing Aortic Valve Replacement. (Pagel PS, Boettcher BT, De Vry DJ, Freed JK, Iqbal Z) J Cardiothorac Vasc Anesth 2016 Oct;30(5):1260-5 PMID: 27474333 SCOPUS ID: 2-s2.0-84991069443 07/31/2016       2 Citations
  • Acute, Severe Pulmonary Arterial Hypertension During Off-Pump Coronary Artery Surgery: Is New Myocardial Ischemia, Cardiac Repositioning, or External Mitral Valve Compression the Culprit? (Khatib D, Boettcher BT, Freed JK, Pagel PS) J Cardiothorac Vasc Anesth 2016 Dec;30(6):1744-1747 PMID: 27431596 SCOPUS ID: 2-s2.0-84998644071 07/20/2016       2 Citations
  • The Human Microcirculation: Regulation of Flow and Beyond. (Gutterman DD, Chabowski DS, Kadlec AO, Durand MJ, Freed JK, Ait-Aissa K, Beyer AM) Circ Res 2016 Jan 08;118(1):157-72 PMID: 26837746 PMCID: PMC4742348 SCOPUS ID: 2-s2.0-84954534623 02/04/2016       99 Citations
  • Critical Role for Telomerase in the Mechanism of Flow-Mediated Dilation in the Human Microcirculation. (Beyer AM, Freed JK, Durand MJ, Riedel M, Ait-Aissa K, Green P, Hockenberry JC, Morgan RG, Donato AJ, Peleg R, Gasparri M, Rokkas CK, Santos JH, Priel E, Gutterman DD) Circ Res 2016 Mar 04;118(5):856-66 PMID: 26699654 PMCID: PMC4772813 SCOPUS ID: 2-s2.0-84952008563 12/25/2015       47 Citations
  • Ceramide changes the mediator of flow-induced vasodilation from nitric oxide to hydrogen peroxide in the human microcirculation. (Freed JK, Beyer AM, LoGiudice JA, Hockenberry JC, Gutterman DD) Circ Res 2014 Aug 15;115(5):525-32 PMID: 24920698 PMCID: PMC4640193 SCOPUS ID: 2-s2.0-84906100241 06/13/2014       54 Citations
  • Mitochondrial reactive oxygen species and vascular function: less is more. (Freed JK, Gutterman DD) Arterioscler Thromb Vasc Biol 2013 Apr;33(4):673-5 PMID: 23486769 SCOPUS ID: 2-s2.0-84875360019 03/15/2013       10 Citations
  • Proteomic analysis of shear stress-mediated protection from TNF-alpha in endothelial cells. (Freed JK, Greene AS) Microcirculation 2010 May;17(4):259-70 PMID: 20536739 PMCID: PMC3712086 SCOPUS ID: 2-s2.0-77951675219 06/12/2010       12 Citations
  • Revealing the role of phosphatidylserine in shear stress-mediated protection in endothelial cells. (Freed JK, Shortreed MR, Kleefisch CJ, Smith LM, Greene AS) Endothelium 2008 Jul-Aug;15(4):225-30 PMID: 18663626 PMCID: PMC2579788 SCOPUS ID: 2-s2.0-48549089424 07/30/2008       4 Citations
  • Isolation of signal transduction complexes using biotin and crosslinking methodologies. (Freed JK, Smith JR, Li P, Greene AS) Proteomics 2007 Jul;7(14):2371-4 PMID: 17623297 SCOPUS ID: 2-s2.0-34547182806 07/12/2007       11 Citations
  • Last update: 08/12/2020
    jenkins-FCD Prod-480 9a4deaf152b0b06dd18151814fff2e18f6c05280