Cardiothoracic Surgery

Department: Cardiothoracic Surgery

B

  • Academic Appointments
    • Associate Professor - Med Center Line, Cardiothoracic Surgery
    • Associate Professor - Med Center Line, Surgery
    Clinical Focus
    • Heart and Lung Transplantation
    • Valvular Heart Diseases
    • Adult Cardiac Surgery
  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
  • Academic Appointments
    • Professor - Med Center Line, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Thoracic Surgery
    Research Interest

    New technologies in the area of catheters, clamps, and, visualization devices for aid in cardiac surgery; distribution of, cardioplegia, both anterograde and retrograde as determined by, techniques in technetium pyro-phosphate scans; glucose insulin, potassium as an adjunct in cardiac surgery.

C

  • Academic Appointments
    • Clinical Professor, Cardiothoracic Surgery - Thoracic Surgery
    Clinical Focus
    • Cancer > Thoracic Oncology
    • Cardiothoracic Surgery
    • Esophageal Cancer - Thoracic Surgery

D

  • Academic Appointments
    • Acting Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Diagnostic Radiology
    • Interventional Radiology
    • Endovascular Surgery
    Research Interest

    Improved endovascular procedures and devices to treat aortic lesions, peripheral arterial disease and venous abnormalities. Focused interest in drug-eluting stents and balloons, endovascular stent-grafts, including branched aortic devices and techniques for the endovascular management of aortic dissection. Current clinical research projects include drug-eluting stents for superficial femoral arterial disease and multiple device trials to evaluate stent-grafts for the treatment of aortic lesions.

  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Research Interest

    minimally invasive mitral valve repairs, minimally invasive maze procedures, off-pump cabg, robotic heart surgery

F

  • Academic Appointments
    • Associate Professor - Med Center Line, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Thoracic Surgery
    Research Interest

    Cardiac surgery simulation, minimally invasive cardiac surgery, coronary artery bypass surgery, cardiac valve disease, thoracic aortic disease

  • Academic Appointments
    • Assistant Professor - Med Center Line, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Aortic Diseases
    • Thoracic Surgery
    Research Interest

    Mechanisms of allograft rejection, ischemic/reperfusion injury, and molecular and genetic mechanisms of aortic aneurysm/dissection development. Clinical research interests include thoracic aortic diseases (aneurysms, dissections).

G

  • Academic Appointments
    • Consulting Professor, Cardiothoracic Surgery
    Clinical Focus
    • Internal Medicine

H

  • Academic Appointments
    • Professor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    Clinical Focus
    • Cardiac Surgery
    • Cardiothoracic Surgery, Pediatric
    • Thoracic Surgery
    Research Interest

    His research and clinical work focuses on the development of interventional techniques for fetal and neonatal treatment of congenital heart disease, pulmonary, vascular physiology, and the neurologic impact of open-heart surgery. He developed and pioneered the “unifocalization” procedure, in which a single procedure is used to repair a complex and life-threatening congenital heart defect rather than several staged open-heart surgeries as performed by other surgeons.

  • Academic Appointments
    • Assistant Professor - Med Center Line, Cardiothoracic Surgery - Thoracic Surgery
    Clinical Focus
    • Cancer > Thoracic Oncology
    • Thoracic Surgery
    • Carcinoma, Non-Small-Cell Lung
    Research Interest

    He has a keen interest in cancer biology. He is intent on continuing his genomics research in lung cancer by establishing a thoracic oncology laboratory, with a focus on translational research aimed at identifying molecular mechanisms of metastasis.

I

  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Thoracic Surgery
    Research Interest

    Special interests: * Thoracic aortic and thoracoabdominal aneurysm repair * Thoracic transplantation * Off pump CABG * All arterial revascularization * Aortic and mitral valve repair * Minimal invasive thoracic surgery * Robotic surgery * Percutaneous valve placement

K

  • Academic Appointments
    • Professor, Surgery - Pediatric Surgery
    • Professor (By courtesy), Cardiothoracic Surgery - Adult Cardiac Surgery
    • Member, Bio-X
    Clinical Focus
    • Pediatric Surgery
    • Surgery, Pediatric
    Research Interest

    Surgical Innovation, Simulation and Virtual Reality in Surgical Education, Fetal Healing-Cellular and Biochemical Mechanisms

  • Academic Appointments
    • Assistant Professor, Mechanical Engineering - Mechanics Operations
    • Assistant Professor (By courtesy), Cardiothoracic Surgery
    Research Interest

    computational simulation of cardiac disease: heart failure, left ventricular remodeling, electrophysiology, excitation-contraction coupling, atrial and ventricular fibrillation, computer-guided surgical planning, patient-specific simulation

M

  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
  • Academic Appointments
    • Clinical Instructor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Cardiovascular Surgery
  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    Clinical Focus
    • Thoracic Surgery
    Research Interest

    Professional Interests: Pediatric cardiovascular surgery, surgery for adults with congenital heart disease

  • Academic Appointments
    • Instructor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Heart and Lung Transplantation
    • Mechanical Circulatory Support Therapy
    Research Interest

    Outcomes of heart, lung, heart-lung transplantation. Use of administrative databases in evaluating outcomes after heart surgery. Device therapy for end-stage cardiomyopathy.

  • Academic Appointments
    • Emeritus Faculty, Acad Council, Cardiothoracic Surgery - Thoracic Surgery
    • Member, Cancer Center
  • Academic Appointments
    • Assistant Professor - Med Center Line, Cardiothoracic Surgery - Thoracic Surgery
    Clinical Focus
    • Cancer > Thoracic Oncology
    • Surgery
    • Thoracic Surgery
  • Academic Appointments
    • Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Thoracic Surgery
    • Cardiothoracic Surgery
    Research Interest

    Cardiac and heart valve disease with experimental laboratory large animal projects focused on the investigation of left ventricular and cardiac mechanics, bioenergetics, and LV and mitral valve physiology and pathophysiology. Current thrust is aimed at understanding the mitral valve and subvalvular mitral apparatus and transmural LV wall strains, thickening, and myolaminar fiber-sheet mechanics. Clinical research interests include thoracic aortic diseases (aortic dissection, aneurysm) and ..

  • Academic Appointments
    • Professor - Med Center Line, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Thoracic Surgery
    • Aortic Aneurysm
    • Cardiac Valve Disease
    Research Interest

    Research Interests: Disease of the aorta, congenital and acquired. Treatment of aortic pathology, including development of stent graft systems. Patterns of disease in patients treated with mediastinal radiation. Valvular heart disease, especially aortopathy associated with congenital bicuspid aortic valve.

N

O

  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
  • Academic Appointments
    • Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Heart and Lung Transplantation
    Research Interest

    Development of an artificial heart assist device; heart, and heart-lung transplantation.

P

  • Academic Appointments
    • Clinical Associate Professor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    Research Interest

    Dr. Petrossian has expertise in complex pediatric and congenital cardiovascular surgical repairs. He has published several journal articles and book chapters with an emphasis on the extracardiac conduit Fontan operation.

R

  • Academic Appointments
    • Associate Professor, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    • Associate Professor, Pediatrics
    Clinical Focus
    • Cardiac Surgery
    • Cardiothoracic Surgery
    • Cardiothoracic Surgery, Pediatric
    Research Interest

    fetal heart surgery, surgery of premature and very low birthweight neonates, cerebral protection during heart surgery

  • Academic Appointments
    • Assistant Professor - Med Center Line, Cardiothoracic Surgery - Pediatric Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Pediatric Cardiothoracic Surgery
    • Pediatric Cardiac Transplantation
    Research Interest

    1. Mechanical circulatory support in failing Fontan circulation 2. Pathophysiologic response to fetal cardiac surgery. 3. Various clinical projects in pediatric cardiothoracic surgery

  • Academic Appointments
    • Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    Clinical Focus
    • Cardiothoracic Surgery
    • Heart Valve Repair and Replacement
    • Heart and Lung Transplantation
    Research Interest

    Mechanism of allograft rejection for the heart and, lung; late chronic effects of rejection, such as graft coronary, atherosclerosis in the heart and bronchiolitis obliterans in the, lung; treatment of rejection, including pharmacologic agents, total, lymphoid irradiation, and the induction of tolerance in fetal, animals; clinical studies include the results of lung and heart-lung, transplantation, modification of immunosuppressive protocols, and, factors contributing to late chronic rejection.

  • Academic Appointments
    • Professor, Cardiothoracic Surgery - Adult Cardiac Surgery
    • Professor (By courtesy), Surgery
    Clinical Focus
    • Heart and Lung Transplantation
    • Cardiothoracic Surgery
    • Thoracic Surgery
    Research Interest

    Stem Cell Therapy for Myocardial Restoration, Cardiopulmonary Transplantation, Cardiac Allograft Vasculopathy, Automated Anastomotic Devices, Genetics and Mechanisms of Congestive Heart Failure

S

  • Academic Appointments
    • Professor - Med Center Line, Cardiothoracic Surgery - Thoracic Surgery
    • Member, Cancer Center
    Clinical Focus
    • Cancer > Thoracic Oncology
    • Thoracic Cancers - Thoracic Surgery
    • Thoracic Surgery
    Research Interest

    In clinical research, Dr. Shrager has been an innovator studying outcomes in a variety of areas within Thoracic Surgery including: parenchyma-sparing operations and minimally invasive resections for lung cancer, transcervical thymectomy for myasthenia gravis, and surgical treatment of emphysema. In the lab, Dr. Shrager is focused on the impact of disease states upon the diaphragm. His group published the seminal paper (NEJM) describing diaphragm atrophy assoc'd with mechanical ventilation.

W

  • Academic Appointments
    • Professor - Med Center Line, Cardiothoracic Surgery - Thoracic Surgery
    • Member, Cancer Center
    Clinical Focus
    • Cancer > Thoracic Oncology
    • Cardiothoracic Surgery
    • Esophageal Cancer - Thoracic Surgery
    Research Interest

    clinical lung and esophageal cancer treatment studies, lung transplantation, surgical ,management of emphysema.

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