Tomasz A. Timek Division of Cardiothoracic Surgery Spectrum Health Biography Publications Institution JoVE Articles Tomasz A. Timek has not added a biography. If you are Tomasz A. Timek and would like to personalize this page please email our Author Liaison for assistance. Publications Del Nido Cardioplegia in Ascending Aortic Surgery Seminars in Thoracic and Cardiovascular Surgery. Spring, 2023 | Pubmed ID: 34718142 Commentary: Light on the Long Shadow of Systolic Anterior Motion The Journal of Thoracic and Cardiovascular Surgery. Jan, 2023 | Pubmed ID: 33781597 The Impact of Thickness Heterogeneity on Soft Tissue Biomechanics: a Novel Measurement Technique and a Demonstration on Heart Valve Tissue Biomechanics and Modeling in Mechanobiology. Oct, 2022 | Pubmed ID: 36284075 Impact of Reductive Tricuspid Ring Annuloplasty on Right Ventricular Size, Geometry and Strain in an Ovine Model of Functional Tricuspid Regurgitation Interactive Cardiovascular and Thoracic Surgery. Jul, 2022 | Pubmed ID: 35781336 Efficacy of Del Nido Cardioplegia in Adult Cardiac Procedures with Prolonged Aortic Crossclamp Time The Journal of Thoracic and Cardiovascular Surgery. Apr, 2022 | Pubmed ID: 35660325 Commentary: Sculpting a Heart of Stone JTCVS Techniques. Feb, 2022 | Pubmed ID: 35169727 Five-year Outcomes of the COMMENCE Trial Investigating Aortic Valve Replacement with RESILIA Tissue The Annals of Thoracic Surgery. Jan, 2022 | Pubmed ID: 35065065 Tricuspid Leaflet Kinematics After Annular Size Reduction in Ovine Functional Tricuspid Regurgitation The Journal of Thoracic and Cardiovascular Surgery. Dec, 2022 | Pubmed ID: 33685738 Commentary: Now You See Me, Now You Don't-the Peek-and-boo Left Ventricular Outflow Obstruction Gradient The Journal of Thoracic and Cardiovascular Surgery. Dec, 2022 | Pubmed ID: 33551071 Commentary: Doing It and (re)doing It Well The Journal of Thoracic and Cardiovascular Surgery. May, 2022 | Pubmed ID: 33160612 Commentary: Wherever You Go, Go with All Your Heart The Journal of Thoracic and Cardiovascular Surgery. Sep, 2022 | Pubmed ID: 33097211 REPLY: PROPORTIONING OUR BELIEFS TO THE EVIDENCE The Journal of Thoracic and Cardiovascular Surgery. Jan, 2022 | Pubmed ID: 32896376 Commentary: In a Heart of Stone Beats a Muscle of Pure Flint The Journal of Thoracic and Cardiovascular Surgery. May, 2022 | Pubmed ID: 32798026 Commentary: The Vortex and the Ring The Journal of Thoracic and Cardiovascular Surgery. Mar, 2022 | Pubmed ID: 32563578 Commentary: Reefing the Sails and the Direction of the Wind JTCVS Open. Sep, 2021 | Pubmed ID: 36003737 Commentary: If You Start Me Up…I May Never Stop? JTCVS Open. Sep, 2021 | Pubmed ID: 36003722 Commentary: Whether It's the Best of Times or the Worst of Times, It's the Only Time We've Got JTCVS Open. Mar, 2021 | Pubmed ID: 34173550 Cardiac Surgeons' Concerns, Perceptions, and Responses During the COVID-19 Pandemic Journal of Cardiac Surgery. Sep, 2021 | Pubmed ID: 34118080 The Effects of a Simple Optical Clearing Protocol on the Mechanics of Collagenous Soft Tissue Journal of Biomechanics. Jun, 2021 | Pubmed ID: 33905970 Long-term Outcomes of Etiology Specific Annuloplasty Ring Repair of Ischemic Mitral Regurgitation Annals of Cardiothoracic Surgery. Jan, 2021 | Pubmed ID: 33575184 Magna Ease Bioprosthetic Aortic Valve: Mid-term haemodynamic Outcomes in 1126 Patients Interactive Cardiovascular and Thoracic Surgery. May, 2021 | Pubmed ID: 33570145 Right Ventricular Myocardial Mechanics: Multi-modal Deformation, Microstructure, Modeling, and Comparison to the Left Ventricle Acta Biomaterialia. Mar, 2021 | Pubmed ID: 33338654 Commentary: The Mitral Matrix The Journal of Thoracic and Cardiovascular Surgery. Mar, 2021 | Pubmed ID: 33127087 Tricuspid Valve Anterior Leaflet Strains in Ovine Functional Tricuspid Regurgitation Seminars in Thoracic and Cardiovascular Surgery. Summer, 2021 | Pubmed ID: 32977016 Commentary: Long Journey and a Heavy Load The Journal of Thoracic and Cardiovascular Surgery. Jun, 2021 | Pubmed ID: 32951877 Commentary: Clip It, Clip It Good The Journal of Thoracic and Cardiovascular Surgery. Nov, 2021 | Pubmed ID: 32690417 Commentary: The Pneumatic Para-trouper The Journal of Thoracic and Cardiovascular Surgery. Apr, 2021 | Pubmed ID: 32660783 Commentary: Be Samwise The Journal of Thoracic and Cardiovascular Surgery. Aug, 2021 | Pubmed ID: 32147210 Commentary: Gate of Success and Corridor of Failure The Journal of Thoracic and Cardiovascular Surgery. Jun, 2021 | Pubmed ID: 32063353 Effect of Variable Annular Reduction on Functional Tricuspid Regurgitation and Right Ventricular Dynamics in an Ovine Model of Tachycardia-induced Cardiomyopathy The Journal of Thoracic and Cardiovascular Surgery. Apr, 2021 | Pubmed ID: 31926731 The Influence of Tricuspid Annuloplasty Prostheses on Ovine Annular Geometry and Kinematics The Journal of Thoracic and Cardiovascular Surgery. Feb, 2021 | Pubmed ID: 31733883 The Tricuspid Valve Also Maladapts As Shown in Sheep with Biventricular Heart Failure ELife. Dec, 2020 | Pubmed ID: 33320094 Tricuspid Valve Annuloplasty Alters Leaflet Mechanics Annals of Biomedical Engineering. Dec, 2020 | Pubmed ID: 32761558 Tricuspid Annuloplasty Rings: A Quantitative Comparison of Size, Nonplanar Shape, and Stiffness The Annals of Thoracic Surgery. Nov, 2020 | Pubmed ID: 32251659 Commentary: May the Force Be with You The Journal of Thoracic and Cardiovascular Surgery. Mar, 2020 | Pubmed ID: 31926714 A Detailed Mechanical and Microstructural Analysis of Ovine Tricuspid Valve Leaflets Acta Biomaterialia. Jan, 2020 | Pubmed ID: 31760220 Del Nido Cardioplegia in Isolated Adult Coronary Artery Bypass Surgery The Journal of Thoracic and Cardiovascular Surgery. Dec, 2020 | Pubmed ID: 31706553 Commentary: Escape Valve for the Pressures of Life The Journal of Thoracic and Cardiovascular Surgery. Sep, 2020 | Pubmed ID: 31669026 The Effect of Downsizing on the Normal Tricuspid Annulus Annals of Biomedical Engineering. Feb, 2020 | Pubmed ID: 31659604 Fibbin' Under Pressure The Journal of Thoracic and Cardiovascular Surgery. Mar, 2019 | Pubmed ID: 33198015 Hesitate to Approximate? The Journal of Thoracic and Cardiovascular Surgery. Jul, 2019 | Pubmed ID: 31353102 Reply The Annals of Thoracic Surgery. Sep, 2019 | Pubmed ID: 30951696 Do Not Despair, and Continue to Improve Repair The Journal of Thoracic and Cardiovascular Surgery. Aug, 2019 | Pubmed ID: 30948316 Do Annuloplasty Rings Designed to Treat Ischemic/functional Mitral Regurgitation Alter Left-ventricular Dimensions in the Acutely Ischemic Ovine Heart? The Journal of Thoracic and Cardiovascular Surgery. Oct, 2019 | Pubmed ID: 30803776 Sub for SAM: Mitral Subvalvular Interventions in Hypertrophic Cardiomyopathy Seminars in Thoracic and Cardiovascular Surgery. 2019 | Pubmed ID: 30796957 Commentary: The Golden Ratio The Journal of Thoracic and Cardiovascular Surgery. Aug, 2019 | Pubmed ID: 30772042 The Devil is Everywhere, Including the Details of the Ring The Journal of Thoracic and Cardiovascular Surgery. May, 2019 | Pubmed ID: 30739779 Commentary: The Life in Our Years The Journal of Thoracic and Cardiovascular Surgery. Oct, 2019 | Pubmed ID: 30738598 Impact of Tricuspid Annular Size Reduction on Right Ventricular Function, Geometry and Strain European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery. Jan, 2019 | Pubmed ID: 30698674 Right Ventricular Free Wall Stress After Tricuspid Valve Annuloplasty in Acute Ovine Right Heart Failure The Journal of Thoracic and Cardiovascular Surgery. Sep, 2019 | Pubmed ID: 30678877 The Golden Polytetrafluoroethylene Parachute The Journal of Thoracic and Cardiovascular Surgery. Mar, 2019 | Pubmed ID: 30630605 Characterization of 3-dimensional Papillary Muscle Displacement in In vivo Ovine Models of Ischemic/functional Mitral Regurgitation The Journal of Thoracic and Cardiovascular Surgery. Apr, 2019 | Pubmed ID: 30447965 Sonomicrometry-derived 3-dimensional Geometry of the Human Tricuspid Annulus The Journal of Thoracic and Cardiovascular Surgery. Apr, 2019 | Pubmed ID: 30392947 It's the Beans That Count The Journal of Thoracic and Cardiovascular Surgery. Dec, 2018 | Pubmed ID: 30449569 A Fiduciary Marker-based Framework to Assess Heterogeneity and Anisotropy of Right Ventricular Epicardial Strains in the Beating Ovine Heart Journal of Biomechanics. Oct, 2018 | Pubmed ID: 30292534 Valve Repair for Mitral Despair The Journal of Thoracic and Cardiovascular Surgery. Oct, 2018 | Pubmed ID: 30248792 Tricuspid Annular Geometry and Strain After Suture Annuloplasty in Acute Ovine Right Heart Failure The Annals of Thoracic Surgery. Dec, 2018 | Pubmed ID: 29958829 The Effect of Acute Pulmonary Hypertension on Tricuspid Annular Height, Strain, and Curvature in Sheep Cardiovascular Engineering and Technology. Sep, 2018 | Pubmed ID: 29858822 Tricuspid Valvular Dynamics and 3-dimensional Geometry in Awake and Anesthetized Sheep The Journal of Thoracic and Cardiovascular Surgery. Oct, 2018 | Pubmed ID: 29804662 Love the Root, Not the Flowers Everyone Sees The Journal of Thoracic and Cardiovascular Surgery. Sep, 2018 | Pubmed ID: 29801691 Large Animal Model of Acute Right Ventricular Failure with Functional Tricuspid Regurgitation International Journal of Cardiology. Aug, 2018 | Pubmed ID: 29776560 Go with the Flow, but Do Not Get Mixed Up The Journal of Thoracic and Cardiovascular Surgery. Apr, 2018 | Pubmed ID: 29395202 Engineering Analysis of Tricuspid Annular Dynamics in the Beating Ovine Heart Annals of Biomedical Engineering. Mar, 2018 | Pubmed ID: 29139013 Single-dose Del Nido Cardioplegia in Minimally Invasive Aortic Valve Surgery Seminars in Thoracic and Cardiovascular Surgery. Nov, 2017 | Pubmed ID: 29104016 The "Big Kowalski" The Journal of Thoracic and Cardiovascular Surgery. Nov, 2017 | Pubmed ID: 28863958 Subvalvular Repair to Improve Reductive Annuloplasty for Severe Mitral Regurgitation The Journal of Thoracic and Cardiovascular Surgery. Sep, 2017 | Pubmed ID: 28826153 WITHDRAWN: Single-dose Del Nido Cardioplegia in Minimally Invasive Aortic Valve Surgery The Journal of Thoracic and Cardiovascular Surgery. Jun, 2017 | Pubmed ID: 28712580 The COMMENCE Trial: 2-year Outcomes with an Aortic Bioprosthesis with RESILIA Tissue European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery. Sep, 2017 | Pubmed ID: 28605428 Large Animal Model of Functional Tricuspid Regurgitation in Pacing Induced End-stage Heart Failure Interactive Cardiovascular and Thoracic Surgery. Jun, 2017 | Pubmed ID: 28329164 Dare to Double Spare? The Journal of Thoracic and Cardiovascular Surgery. May, 2017 | Pubmed ID: 28284371 Ascending Beyond the Root of the Problem: Aortic Root Replacement with and Without Hemiarch Repair The Journal of Thoracic and Cardiovascular Surgery. Jun, 2017 | Pubmed ID: 27955913 Angel in the Architecture and the Devil in the Details: Comparative Ultrastructure of Degenerative Mitral Valve Disease Seminars in Thoracic and Cardiovascular Surgery. 2016 | Pubmed ID: 28417862 The Effect of Acute Mechanical Left Ventricular Unloading on Ovine Tricuspid Annular Size and Geometry Interactive Cardiovascular and Thoracic Surgery. May, 2016 | Pubmed ID: 27209530 Son of SAM: Left Ventricular Outflow Tract Obstruction with Coexistent Mitral Stenosis and Hypertrophic Cardiomyopathy The Journal of Thoracic and Cardiovascular Surgery. Apr, 2016 | Pubmed ID: 26790355 The Effect of Pulmonary Hypertension on Ovine Tricuspid Annular Dynamics European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery. Jan, 2016 | Pubmed ID: 25755186 Heterogeneity of Mitral Leaflet Matrix Composition and Turnover Correlates with Regional Leaflet Strain Cardiovascular Engineering and Technology. Jun, 2015 | Pubmed ID: 26213589 Cellular and Extracellular Matrix Basis for Heterogeneity in Mitral Annular Contraction Cardiovascular Engineering and Technology. Jun, 2015 | Pubmed ID: 26195991 Reply: To PMID 25195546 The Annals of Thoracic Surgery. Jul, 2015 | Pubmed ID: 26140796 Geometric Perturbations in Multiheaded Papillary Tip Positions Associated with Acute Ovine Ischemic Mitral Regurgitation The Journal of Thoracic and Cardiovascular Surgery. Jul, 2015 | Pubmed ID: 25998465 Aortic Valve Replacement in Octogenarians with Prior Cardiac Surgery The Annals of Thoracic Surgery. Feb, 2015 | Pubmed ID: 25195546 Five-year Real World Outcomes of GeoForm Ring Implantation In patients with Ischemic Mitral Regurgitation The Journal of Thoracic and Cardiovascular Surgery. Nov, 2014 | Pubmed ID: 24685379 Hybrid Approach to HeartMate II Left Ventricular Assist Device Exchange The Journal of Thoracic and Cardiovascular Surgery. Mar, 2013 | Pubmed ID: 23102688 Invited Commentary The Annals of Thoracic Surgery. Nov, 2012 | Pubmed ID: 23098930 Conservative Management and Resolution of Iatrogenic Type A Aortic Dissection in a Patient with Previous Cardiac Surgery The Journal of Thoracic and Cardiovascular Surgery. Aug, 2012 | Pubmed ID: 22664177 Another Multidisciplinary Look at Ischemic Mitral Regurgitation Seminars in Thoracic and Cardiovascular Surgery. 2011 | Pubmed ID: 22172360 Determinants of Evolution and Progression of Acute Ovine Ischemic Mitral Regurgitation The Journal of Heart Valve Disease. Jul, 2010 | Pubmed ID: 20845887 Treatment of Irradiated Poststernotomy Sternal Nonunion with Autologous Stem Cell-impregnated Bone Matrix and Sternal Plating The Journal of Thoracic and Cardiovascular Surgery. Mar, 2010 | Pubmed ID: 20038477 Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation Boguslaw Gaweda1,2, Artur Iwasieczko1,2, Manikantam Gaddam3,4, Jared D. Bush3, Brian MacDougal3, Tomasz A. Timek1 1Division of Cardiothoracic Surgery, Spectrum Health, 2Clinical Department of Cardiac Surgery, Clinical District Hospital no 2, Faculty of Medicine, University of Rzeszow, 3Research Department, Meijer Heart and Vascular Institute at Spectrum Health, 4Department of Urology, Stanford University School of Medicine JoVE 64529 Medicine
Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation Boguslaw Gaweda1,2, Artur Iwasieczko1,2, Manikantam Gaddam3,4, Jared D. Bush3, Brian MacDougal3, Tomasz A. Timek1 1Division of Cardiothoracic Surgery, Spectrum Health, 2Clinical Department of Cardiac Surgery, Clinical District Hospital no 2, Faculty of Medicine, University of Rzeszow, 3Research Department, Meijer Heart and Vascular Institute at Spectrum Health, 4Department of Urology, Stanford University School of Medicine JoVE 64529 Medicine