Interventional

Ryan Tsuda, MD

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Assistant Professor of Clinical Medicine, University of Arizona College of Medicine - Tucson
(520) 792-1450
Ryan.Tsuda@va.gov

Ryan Tsuda, MD FACC is an assistant professor of clinical medicine in the Division of Cardiology at the University of Arizona College of Medicine and Southern Arizona VA Health Care System. Dr. Tsuda received a B.A. in English Literature from the University of Hawaii at Manoa in Honolulu, HI. He attended medical school at the Medical College of Wisconsin in Milwaukee, WI. He completed an internal medicine residency at the University of Arizona College of Medicine - Tucson. He then travelled to New Orleans, LA to complete a cardiovascular disease fellowship at Tulane University School of Medicine. Dr. Tsuda returned to the University of Arizona College of Medicine to complete an interventional cardiology fellowship. After several years working as an interventional cardiologist in private practice, Dr. Tsuda joined the faculty at SAVAHCS in 2014 where he has served as a staff interventional cardiologist.  r. Tsuda is board certified in cardiovascular disease, nuclear cardiology, and interventional cardiology. 

Dr. Tsuda has a specific interest in radial access percutaneous coronary intervention and multivessel high-risk PCI.  Research interests include the role of adjunctive laser atherectomy in PCI. 

Madhan Sundaram (Shanmugasundaram), MD, FACC

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Clinical Assistant Professor of Medicine, UA College of Medicine - Tucson
Interventional Cardiologist, Southern Arizona Veterans Affairs Health Care System (SAVAHCS)
msundaram@shc.arizona.edu

Madhan Sundaram (Shanmugasundaram), MD is a clinical assistant professor of medicine at the University of Arizona College of Medicine and an interventional cardiologist at the Southern Arizona Veterans Affairs Health Care System (SAVAHCS), where he works with cardiology and interventional cardiology fellows. After finishing his medical school and internship training in India, he moved to the United States. He completed his internal medicine residency at University of Arizona where he also served as a chief resident. He did his general cardiology fellowship at University of Arizona where he was a chief fellow, after which he completed his interventional cardiology training at University of Kentucky. He also completed an additional year of training in structural heart disease and peripheral vascular interventions at the University of Kentucky.

Dr. Sundaram is board certified in Internal Medicine, Cardiology, Interventional Cardiology and Echocardiography. He is a fellow of the American College of Cardiology. Dr. Sundaram’s clinical interests include complex coronary interventions, chronic total occlusions and endovascular peripheral interventions.

Dr. Sundaram has published in various scientific journals and has been co-author of a textbook chapter. He is also an expert peer reviewer for various geriatrics, cardiology and critical care journals. He also serves as a member of a scientific advisory board, faculty of the International Academy of Cardiology and World Congress of Cardiology. He has received young investigator travel awards from the Heart Failure Society of America and the American Heart Association. His research interests include applicability of various cardiac interventions in older adults, clinical trials in coronary artery disease and use of adjunctive atherectomy in endovascular interventions. 

Tom A. Lassar MD, FACC, FAHA, FSCAI

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Professor of Medicine, University of Arizona College of Medicine - Tucson
Clinical Scholars Track
(520) 626-6453
tlassar@shc.arizona.edu

Tom A. Lassar MD, FACC, FAHA, FSCAI, is professor of medicine, University of Arizona College of Medicine – Clinical Scholar Track, and a clinical and interventional cardiologist at Banner- University Medical Center South Campus and Tucson Campus. He completed his undergraduate bachelor of arts degree at Washington University in St. Louis cum laude and graduated  medical doctor (MD) magna cum laude in 1977 from St. Louis University School of Medicine, where he was president of the Alpha Omega Alpha medical honor society. He then returned to Washington University Barnes-Jewish Hospital for residency in internal medicine, in which he is board certified, and subsequently completed training and board certification in cardiovascular diseases at University of Chicago Hospitals and Clinics. He is subspecialty board certified in interventional cardiology.

In 1982, Dr. Lassar began a career in clinical care and clinical research, and was a founder of the field of interventional cardiology, now a subspecialty of cardiovascular disease, then in its infancy. As assistant professor of medicine at University of Wisconsin Milwaukee Clinical Campus Aurora St. Lukes-Sinai-Samaritan Hospitals, he was co-director of cardiac catheterization and intervention, developing research interests and publishing in the areas of coronary flow and physiology, management of acute and chronic ischemic heart disease, advanced coronary imaging and new device development.  In 1988, he was recruited to serve as director of cardiac catheterization and intervention at Mt. Sinai Medical Center of Cleveland, and subsequently served as associate professor of medicine and associate director of adult cardiac catheterization and intervention from 1997 until 2013 at University Hospitals of Cleveland, Case Western Reserve Medical School of Medicine, before joining the medical staff at University of Arizona in 2014.  

Dr. Lassar has continued to focus his clinical and academic interests in the development of new coronary devices and platforms, vascular closure devices, platelet pharmacology, application of platelet function testing to clinical management of coronary artery disease, and clinical trials of new generation antiplatelet drugs.  Dr. Lassar is an active member of the American College of Cardiology (ACC) and was an elected member of the Ohio ACC Board of Governors.  He is a fellow of the American Heart Association (AHA), and Society for Cardiac Angiography and Interventions (SCAI), having served on multiple leadership and steering committees during his career.

Ranjith Shetty, MD

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Assistant Professor of Medicine, University of Arizona Sarver Heart Center
Director, Inpatient Cardiology and Cardiac Care Unit
520-694-6481
rshetty@shc.arizona.edu

Ranjith Shetty, MD, assistant professor of medicine in Cardiology, joined the University of Arizona College of Medicine, Division of Cardiology in 2013. He also serves as director of Inpatient Cardiology and the Cardiac Care Unit at Banner - University Medical Center Tucson.

He previously was an assistant professor of interventional cardiology at the Virginia Commonwealth University Health System in Richmond. His cardiology training includes a Structural Heart and Peripheral Vascular Interventions Fellowship at Swedish Medical Center – Cherry Hill Campus in Seattle, Interventional Cardiology and Cardiovascular Disease Fellowships at Virginia Commonwealth University Health System, and a Venous Thromboembolism Fellowship at Brigham and Women’s Hospital, Harvard Medical School in Boston.

 

For more information or to refer a patient, contact: Kimberly Emmons, CMA
Phone: (520) 694-4686 • Fax: (520) 694-1007 • BUMCTStructuralHeart@bannerhealth.com

For more health information, please visit our Heart Health page.

If you appreciate the content found on our website, please consider a donation to the Sarver Heart Center.

 

Huu Tam Truong, MD, FACC

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Assistant Professor of Medicine, Southern Arizona VA Health Care System
Graduate, UA Cardiovascular Disease Fellow 2014
Graduate, UA Interventional Cardiology Fellow 2015

Brief Bio

Dr. Tam Truong is currently an interventional cardiologist at the Southern Arizona VA Health Care System who works with our Cardiology and Interventional Cardiology fellows. He did seven years combined undergraduate and medical school at the University of California, Riverside, and University of California, Los Angeles.  He completed his internal medicine residency at Scripps-Mercy Hospital in San Diego, and served as a chief medical resident. Dr. Truong did his Cardiovascular Disease fellowship at the University of Arizona and was a chief fellow. He stayed on to complete his Interventional Cardiology fellowship. His hobby outside of work is playing piano and guitar.

Research

Dr. Truong’s research interests include optical coherence tomography, saphenous vein graft intervention, and contrast induced nephropathy.

Kapil Lotun, MD

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Associate Professor of Medicine, University of Arizona Sarver Heart Center
Director of the Interventional Cardiology Fellowship Program
Director of Interventional Cardiology
Director of the Structural Heart Disease Program and Vascular Medicine in Cardiology
Director of the Catheterization Laboratory at Banner - University Medical Center Tucson
(520) 694-6481

Kapil Lotun, MD, is associate professor of clinical medicine, Cardiology and director of the Interventional Cardiology Fellowship Program, Interventional Cardiology, Structural Heart Disease and Vascular Medicine within the Division of Cardiology. He is also the medical director for the TAVR program and director of the Catheterization Laboratory at Banner - University Medical Center Tucson.

Dr. Lotun received his vascular medicine, cardiology training and interventional cardiology fellowship training at the Tufts University School of Medicine in Boston.

His clinical expertise includes structural heart disease such as aortic valvuloplasty (repairing stenotic or hardened, aortic valves using balloon catheters). He also treats congenital heart defects, such as a ventricular septal defect ( a “hole in the heart”), patent foramen ovale (tissue flaps in the heart that don’t close properly) and atrial septal defect closure ( hole in the  wall between the two upper chambers remains open after birth, allowing blood to flow and causing pressure in the lungs). His specialty is in percutaneous procedures in which he uses small needle catheters to treat aortic and mitral valve disease and vascular diseases. These catheters also are used in endovascular interventions for vascular diseases and high-risk coronary procedures.

Dr. Lotun is a fellow of American College of Cardiology, the Society of Vascular Medicine and the Society for Cardiovascular Angiography and Interventions. He is board certified in internal medicine, endovascular medicine, vascular medicine, echocardiography, nuclear cardiology, cardiology and interventional cardiology. He also is a registered vascular technologist.

Dr. Lotun’s research involves gene therapy in cardiac and vascular diseases. He has been co-investigator on several related NIH trials and investigations and has given presentations at the American Heart Association Scientific Sessions, Society of Cardiac Angiography and Interventions, and the Society of Vascular Medicine Meetings. He has published in various professional journals and has contributed to two book chapters on cardiovascular gene therapy. He is a reviewer for multiple journals including Catheterization and Cardiovascular Interventions, JACC Intervention and Annals of Vascular Surgery.

For more information or to refer a patient, contact: Kimberly Emmons, CMA
Phone: (520) 694-4686 • Fax: (520) 694-1007 • BUMCTStructuralHeart@bannerhealth.com

For more health information, please visit our Heart Health page.

If you appreciate the content found on our website, please consider a donation to the Sarver Heart Center.

 

Marvin J. Slepian, MD

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Professor of Medicine, UA College of Medicine - Tucson
Associate Department Head and Professor, Biomedical Engineering, UA College of Engineering
Director, Arizona Center for Accelerated Biomedical Innovation
McGuire Scholar in the Eller College of Management
(520) 626-8543
slepian@email.arizona.edu

Dr. Marvin J. Slepian is Professor of Medicine (Cardiology) and BioMedical Engineering at the University of Arizona and McGuire Scholar in the Eller College of Management, also at Arizona. Dr. Slepian presently directs the Arizona Center for Accelerated Biomedical Innovation and teaches a university-wide course annually on Innovation, Translation and Entrepreneurship. Dr. Slepian also serves as Adjunct Professor at several Universities including StonyBrook in BioMedical Engineering and UMDNJ in Oral Biology. Dr. Slepian is Founder and Chief Scientific Officer of SynCardia, having served as founding President and Chairman for over a decade.

Dr. Slepian received his AB in Biochemical Sciences and Science in Human Affairs from Princeton in 1977 and his MD from the University of Cincinnati in 1981. He completed his Internship and Residency in Internal Medicine at the NYU School of Medicine – Bellevue Hospital, where he also served as Chief Resident in Medicine. Dr. Slepian completed both a clinical and research fellowship in Cardiology and Cardiovascular BioMedical Engineering at Johns Hopkins. He completed a second fellowship in Interventional Cardiology at the Cleveland Clinic and was appointed as Research Associate in the Division of Heart and Hypertension Research and Artificial Organs. He completed additional post-doctoral training in Polymer Chemistry and Chemical Engineering at Washington University and MIT.

In parallel with his clinical career Dr. Slepian has had a synergistic career in basic and translational research and technology transfer. At the basic level his laboratory has focused on three main areas: 1. the role of cell-matrix interactions in vascular disease and 2. the role of physical forces in modulating cell behavior and 3. the utility of polymeric biomaterials to modulate cell-matrix interactions as well as serve as novel therapeutic structural, barrier or drug delivery materials. On the translational level his lab has developed many novel therapeutic solutions based on polymeric biomaterials which have found their way into clinical use today including: drug-eluting stent technologies, stent coatings, “polymer paving,” surgical anti-adhesive barriers, synthetic tissue sealants, myocardial revascularization and cell delivery methods and cardiovascular prosthetic devices, including the total artificial heart. As to technology transfer Dr Slepian has founded several medical device companies as spin-outs including Focal (NASDAQ), Endotex, Angiotrax, Hansen Medical (NASDAQ), Arsenal, 480 BioMedical, MC10 and SynCardia and has been involved with bringing many new devices through the FDA regulatory process into clinical use, including most notably the total artificial heart.

Dr. Slepian is the author of numerous publications and patents in the fields of vascular biology, polymeric biomaterials, local drug delivery and artificial organs. He is an active reviewer for several journals and is a consultant for academia, industry and governmental agencies. He is presently on the board of directors of several medical device companies. He has received multiple awards for his academic and translational research activities and has been a frequent Visiting Professor and Lecturer in Medicine (Cardiology), Biomedical Engineering and Innovation, both nationally as well as internationally.

Dr. Slepian is a fellow of the National Academy of Inventors and president of the International Society of Mechanical Circulatory Support.

For physician appointment information, please call 520-MyHeart (694-3278) or 520-626-2000.

For more health information, please visit our Heart Health page.

Kwan S. Lee, MD, FACC

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Associate Professor of Medicine
Director, Cardiology, Banner - University Medical Center South
Director, Catheterization Lab, Banner - University Medical Center South
Associate Chief of Cardiology for Clinical Operations - Banner University Medical Center
Associate Program Director for the Cardiology Fellowship Program
520-626-8927
klee@shc.arizona.edu

Originally from Malaysia, Kwan S. Lee, MD, FACC, FSCAI, earned his medical degree from Trinity College Dublin in Ireland, graduating in 2000. He then completed his internship at St James's Hospital in Dublin, Ireland, followed by a move to the Mayo Clinic, Arizona where he completed his internal medicine residency and cardiology fellowship. He then went on to an Interventional Cardiology fellowship at Emory University Hospital in Atlanta. At medical school, he was a founding editor of the Trinity Student Medical Journal and he was also the recipient of the Hassan Loutfi Distinguished Fellow Award 2008 from the Mayo School of Medicine upon graduating. He now is the Section Chief of Cardiology at South Campus.

Dr. Lee is board certified in internal medicine, cardiovascular diseases, echocardiography, interventional cardiology and endovascular medicine. He is currently the Cardiac Catheterization Laboratory Director at Banner- University Medical Center - South Campus and has been heavily involved in the growth of cardiovascular services there. He has served in numerous administrative roles at South Campus including Chief of Staff and Chair of the Credentialing Committee.

Dr. Lee, who joined our faculty in 2009, has pursued several areas of research in clinical cardiology, including stent healing in optical coherence tomography and simulation in cardiovascular education. In collaboration with Mayo Arizona, he has been course director for the only statewide cardiology fellows simulation course in the country since 2011. He is the current education chair for the American College of Cardiology Arizona Chapter, lectures on behalf of Society of Cardiac Angiography and Interventions (SCAI) and is a regular blogging contributor for Transcatheter Cardiovascular Therapeutics (TCT).  He is a peer-reviewer for numerous cardiology journals.

Outside of work, he is an avid amateur photographer and loves to travel. He is devoted to his family and has two children, Kieran and Ashling, who attend the Gregory School in Tucson.  An enthusiast of the arts, he also serves on the University of Arizona Repertory Theater Advisory Board.

For physician appointment information, please call 520-874-3278.

For more health information, please visit our Heart Health page.

Karl B. Kern, MD

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Professor, Medicine, University of Arizona College of Medicine - Tucson
Co-Director, University of Arizona Sarver Heart Center
Gordon A. Ewy, MD Distinguished Endowed Chair of Cardiovascular Medicine
Graduate, UA Cardiovascular Disease Fellowship Program 1985
(520) 626-2477
kkern@shc.arizona.edu

Karl B. Kern, MD, is a co-director and the Gordon A. Ewy, MD Distinguished Endowed Chair of Cardiovascular Medicine at the University of Arizona Sarver Heart Center, and professor of medicine at the UA College of Medicine - Tucson. Dr. Kern graduated magna cum laude from Brigham Young University. Following his graduation, he attended Hahnemann Medical College in Philadelphia, where he graduated Alpha Omega Alpha. His postgraduate education and cardiac fellowship training were at the University of Arizona.

Dr. Kern is a fellow of the American College of Physicians, a fellow of the Council of Clinical Cardiology of the American Heart Association, a fellow of the American College of Chest Physicians, a fellow of the American College of Cardiology and a fellow of the Society for Cardiovascular Angiography and Interventions. 

Dr. Kern's research interests are in cardiopulmonary resuscitation and coronary blood flow. He is the coordinator of the University of Arizona Sarver Heart Center Cardiopulmonary Resuscitation Research Group. He is leading a pilot clinical study that will help answer the question: “Does an early heart catheterization improve cardiac arrest survival, regardless of what the ECG shows?”

He was inducted as an honorary member of the European Resuscitation Council in 2014 and named a CPR Giant by the International Liaison Committee on Resuscitation in 2015. He has been awarded numerous American Heart Association grants, an AHA-Flinn Young Investigator award, and two three-year awards from the Arizona Disease Control Research Commission grant in the area of basic CPR research.  He has published over 175 peer-reviewed scientific articles.

His other honors include Lifetime Achievement Award from Drexel University College of Medicine's Alumni Association (2014) and Arizona Business' Lifetime Achievement in Health Care (2016).

He has received numerous honors for excellence in teaching. He was voted House Officer Educator of the Year and is on the Dean's List for Excellence in Teaching. In 1995-96, he was a Dean’s Teaching Scholar at The University of Arizona College of Medicine. He received numerous Cardiology Fellowship Teaching Awards, including Best Coronary Care Unit Attending (2016) and the Cardiology Fellowship Mentoring Award in 1996, 1999 and again in 2001. Dr. Kern has been a Visiting Professor at the Sao Paulo School of Medicine, Sao Paulo, Brazil, and at The Leopold-Franzeus University of Innsbruck in Innsbruck, Austria.

Dr. Kern is active in the American Heart Association, serving as vice chair of the American Heart Association’s Emergency Cardiovascular Care Committee. He also served as president of the Old Pueblo Division, Arizona Affiliate in 1992, and president of the AHA - Arizona Affiliate in 1993.  He was chairman of the American Heart Association National Subcommittee for Advanced Cardiac Life Support (ACLS) from 1997-2000.  He is a past chairman of the Emergency Cardiac Care Committee of the American College of Cardiology and a past governor for Arizona for the American College of Cardiology.

Dr. Kern is past chief of staff for Banner- University Medical Center and the past director of the Cardiac Catheterization Laboratories.  He is an active interventionalist. 

A research pioneer in the field of chest-compression-only CPR, Dr. Kern has supported widespread CPR community education programs for more than a decade.

Dr. Kern has been named as one of the “Best Doctors in America” since 1996.

For physician appointment information, please call 520-MyHeart (694-3278).

For more health information, please visit our Heart Health page.

Mark J. Friedman, MD

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Professor of Medicine
Thomas and Sabina Sullivan, Sr. Endowed Chair for the Prevention and Treatment of Heart Failure
Graduate, UA Cardiovascular Disease Program 1978
(520) 626-2477
mfriedman@shc.arizona.edu

Mark J. Friedman, MD, is clinical professor of medicine and The Thomas and Sabina Sullivan, Sr. Endowed Chair for the Prevention and Treatment of Heart Failure. He obtained his medical doctorate from New York Medical College where he graduated Alpha Omega Alpha. He completed his internship and residency in internal medicine at The Mount Sinai Hospital, New York, NY. After two years of active duty with the United States Air Force, Dr. Friedman completed his cardiology fellowship at the University of Arizona Health Sciences Center. He also completed a research fellowship in clinical pharmacology and cardiac ultrasound before joining the cardiology faculty at The University of Arizona Health Sciences Center. Dr. Friedman then pursued a career in clinical practice of cardiology including clinical cardiology, invasive and non-invasive cardiology, interventional cardiology, and pacemakers and defibrillators, before rejoining the faculty in his current position.

Dr. Friedman is board certified in both internal medicine and cardiovascular disease. He is a fellow of the Council on Clinical Cardiology of the American Heart Association and the American College of Cardiology. Dr. Friedman has been listed in Best Doctors in America (Cardiology). His main interest is in clinical cardiology and medical education.

For physician appointment information, please call 520-MyHeart (694-3278).

For more health information, please visit our Heart Health page.

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