| Dr. Yokoyama received his medical degree at the Okayama
University Medical School in Japan in 1960. Following an internship at
Okayama Saiseikai Hospital he completed his general and cardiovascular/
thoracic residency in 1965. While serving his residencies, Dr. Yokoyama
also wrote his doctorate and received his Ph.D. in physiology in 1965.
The subject of his Ph.D. research was deep hypo-thermia for cardiac surgery
as well as cold preservation of the canine heart for cardiac transplantation.
Dr. Yokoyama received a fellowship in Cardiovascular Surgical Research
at Georgetown University Medical Center from 1965 to 1966. A two-year
clinical fellowship was completed in 1968 at the USC School of Medicine
and St. Vincent Medical Center.
Upon completion of an internship in 1969, Dr. Yokoyama began another
general surgical residency at Hahne-mann University in Philadelphia,
Pennsylvania (1969-1972). While at Hahnemann Medical College and
Hospital he continued on as director of the organ
perfusion laboratory and later accepted an appointment as assistant professor
of surgery and assistant director of the kidney transplant program. He
also earned an academic appointment at Philadelphia General Hospital
(1972-1974).
Wishing to further his surgical career, in 1974 Dr. Yokoyama accepted
a position as a resident supervisor in thoracic and cardiac surgery
at L.A. County/U.S.C. Medical Center. He won an academic appointment
in 1975 at the University of Southern California School of Medicine
as clinical assistant professor of thoracic and cardiac surgery.
A diplomate of both the American Board of Surgery (1974) and the
American Board of Thoracic Surgery (1976), Dr. Yokoyama now serves as chief of thoracic and cardiovascular surgery for St.
Vincent Medical Center's renowned Los Angeles Heart Institute.
Dr. Yokoyama has published more than forty articles on a variety
of topics; his work has appeared in the Journal of Thoracic and Cardiovascular
Surgery and other distinguished journals and books. He is a member
of the America College of Surgeons, the Society of Thoracic Surgeons,
the American College of Cardiology, the Los Angeles County Medical
Association, the American Society for Artificial Internal Organs,
the Western Thoracic Surgical Association, the International Society
for Heart Transplantation, and the Society for Clinical Vascular
Surgery.
Michael McLean, MD
Cardiothoracic Surgeon
Michael McLean, MD is a Cardiothoracic Surgeon in Los Angeles on staff at St. Vincent Medical Center.
Dr. McLean received his medical degree from Wake Forest University School of Medicine in Winston-Salem, NC. He then completed his General Surgery residency at SUNY Buffalo School of Medicine and Biomedical Sciences. During his general surgery training he spent two years doing basic science research as the Buswell Research Fellow in the Department of Microbiology/Immunology at SUNY Buffalo. He presented his findings at the Society of University Surgeons national annual meeting.
Dr. McLean then went on to complete his Cardiac Surgery fellowship training at the University of Southern California. Among his research, Dr. McLean investigated the role of IL-12 as immunotherapy for human lung cancer xenografts using a SCID mouse model, developed a murine alveolar lung tumor metastasis model, and investigated stem cell phenotypes in lung tumor cell, among other research projects.
He has multiple publications in peer reviewed journals on topics including current updates on heart transplantation, congenital heart disease, and living related lobar lung transplantation. His areas of clinical interest include minimally invasive valve surgery, off pump coronary revascularization, and video-assisted thoracic surgery. Dr. McLean in Board Certified in Surgery and Board Eligible in Thoracic Surgery.
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