William
H. Ryan, M.D.
Dr. William Ryan is a cardiothoracic surgeon
with more than twenty-five years experience caring
for patients with heart and valve disease. He
joined as a partner with the CSANT physician group
(www.csant.com)
in 1984 and has held numerous positions on the
group’s Board of Directors. Dr. Ryan is
an active researcher for the nonprofit Cardiopulmonary
Research Science and Technology Institute (CRSTI)
(www.crsti.org),
often serving as a lead investigator for national
cardiac research studies.
His medical interests include minimally invasive
valve surgery; aortic valve replacement and repair;
closed-chest procedures for atrial fibrillation;
cardiovation for mitral valve; and stentless valve
surgery. Dr. Ryan primarily practices at Presbyterian
Hospital of Dallas and maintains privileges at
Medical City Dallas, Presbyterian Hospital of
Plano and Baylor Regional Medical Center of Plano.
Dr. Ryan received his M.D. at the University
of North Carolina School of Medicine, graduating
with honors in 1977. He then completed internships
and a surgical residency at the University of
Texas Southwestern Medical School. Dr. Ryan later
served as Chief Resident for the Department of
Cardiothoracic Surgery at Vanderbilt University
Medical Center in Nashville, Tennessee.
Board certified in surgery and thoracic surgery,
Dr. Ryan moved to Dallas in 1984, joining the
CSANT physician group. Dr. Ryan showed an early
interest in thoracoscopy in the diagnosis and
treatment of diseases of the chest and later helped
to pioneer port-access valve surgery. He is recognized
as one of the few surgeons in the nation experienced
in performing the complicated Ross Procedure.
A frequent speaker on topics such as port-access
heart surgery, the surgical treatment of atrial
fibrillation and valve repair and replacement
operations, Dr. Ryan is an invited lecturer and
course director to national and international
education symposiums across the globe.
Dr. Ryan is a member of the American College
of Surgeons, the Society of Thoracic Surgeons
(STS), the Southern Thoracic Surgical Society,
the International Society of Heart & Lung
Transplantation and the Texas Medical Association.
He has made dozens of national presentations on
cardiac surgery; has published peer review journals
on valve repairs, atrial fibrillation surgery,
the ROSS procedure and coronary artery surgery.
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Dr.
Edgerton began his medical journey in 1974 and
received his M.D. Degree from the University
of Illinois. He then completed a six-year General
Surgery Residency at the University of Florida
where he took time out to work full time in
the Basic Cardiac Research Laboratory. Dr. Edgerton
completed his Cardiothoracic Surgery Residency
at the Medical University of South Carolina.
Prior to moving to Dallas, Dr. Edgerton founded
and led the Great Lakes Cardiothoracic Surgery
Associates in Southeast Wisconsin. Earlier,
he had served as Medical Director of Cardiac
Surgery at Saint Mary's Medical Center in Racine
and as the Surgical Director of the Debakey
Heart Institute of Wisconsin.
