Surgical Associates of Texas, P.A. - About Us

Our surgeons are members of the surgical team at the world-renowned Texas Heart Institute at CHI St. Luke's Health - Baylor St. Luke's Medical Center in Houston's Texas Medical Center. They have performed more than 115,000 open-heart surgeries and over 1300 heart transplants, a record unmatched by any other surgical team in the world. 

This experience is the reason many patients with high-risk conditions due to the advanced stage of their cardiovascular or heart disease are referred to our surgeons. Often these patients require the level of surgical skill and experience not available elsewhere. It is not uncommon for our surgeons to successfully treat patients with conditions that have been deemed hopeless by others.

Following are brief biographical notes of our surgeons. Detailed biographies are available. Please feel free to contact our surgeons if you have any questions regarding a medical problem. They may be reached by telephone, fax, post mail, or e-mail.

 
 
Denton A. Cooley, M.D., surgeon-in-chief and president of the Texas Heart Institute
Biography
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Denton A. Cooley, M.D., F.A.C.S.
Medical School: Johns Hopkins University, 1944
Specialty Training: Johns Hopkins Hospital; Brompton Hospital for Chest Diseases (London)
Certification: American Board of Surgery; American Board of Thoracic Surgery
Academic Appointment: Clinical Professor, University of Texas Medical School, Houston


Denton A. Cooley, M.D., replaces the entire thoracic aorta in a procedure he recently devised.

Denton A. Cooley, M.D., founder and president emeritus of the Texas Heart Institute, and world-renowned cardiovascular surgeon, has been associated with numerous "firsts," including the first successful human heart transplant in the United States (1968) and the first implantation of a total artificial heart (1969). In 1962, he founded the Texas Heart Institute. Surgeons at the Institute have performed over 115,000 open heart surgical procedures.

 
 
Jennifer Cozart, M.D
Biography
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Jennifer Cozart, M.D., F.A.C.S., F.A.C.C.
Medical School: The University of Texas Medical Branch, 2003
Specialty Training: The University of Texas Medical Branch, Texas Heart Institute and Baylor College of Medicine
Certification: American Board of Surgery; American Board of Thoracic Surgery
 

Jennifer Del Prete, M.D., view from observation dome.



Jennifer Cozart, M.D., is a highly skilled surgeon with extensive experience in cardiovascular, thoracic and general surgery procedures. Her practice encompasses all aspects of these fields, with a special focus onminimally invasive cardiothoracic and endovascular techniques. She is also committed to raising the awareness of and treating cardiovascular disease in women.


 
J. Michael Duncan, M.D. directs the Cardiovascular Fellowship Program at the Texas Heart Institute.
Biography
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J. Michael Duncan, M.D., F.A.C.S.
Medical School: Baylor College of Medicine, Houston, Texas, 1971
Specialty Training: Texas Heart Institute; Baylor Affiliated Hospitals, Houston
Certification: American Board of Surgery (certified in General Vascular Surgery); American Board of Thoracic Surgery
Academic Appointment: Clinical Associate Professor, University of Texas Medical School, Houston


J. Michael Duncan, M.D., performs a heart transplant operation.


J. Michael Duncan, M.D., performs a heart transplant operation. Before the operation, this patient's failing heart had been supported by a HeartMate left ventricular assist device. The device pumped blood for the patient's diseased heart and kept him alive until a suitable donor heart became available for transplantation. Dr. Duncan also directs the Cardiovascular Fellowship Program at the Institute.

  

 


 Charles H. Hallman, M.D., F.A.C.S., a highly skilled and respected cardiovascular and thoracic surgeon, has extensive experience in endovascular ascending aortic aneurysm (AAA) repair surgery and coronary bypass surgery, as well as performing all types of cardiovascular procedures.
Biography
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Charles H. Hallman, M.D., F.A.C.S.
Medical School: Baylor College of Medicine, Houston, Texas, 1984
Specialty Training: Texas Heart Institute; Baylor Affiliated Hospitals, Houston
Certification: American Board of Surgery; American Board of Thoracic Surgery
Academic Appointment: Clinical Assistant Professor, University of Texas Medical School, Houston
Charles H. Hallman, M.D., implants an arterial-venous graft-- a vascular procedure-- to facilitate hemodialysis.

 

Charles H. Hallman, M.D., implants an arterial-venous graft-- a vascular procedure-- to provide access to the bloodstream in a patient who requires hemodialysis to clear his body of harmful waste products. The term "vascular" refers to the blood vessels of the body, excluding those of the heart. By 1997, more than 35,000 vascular procedures had been performed at the Texas Heart Institute.

 

 


 
Dr. James J. Livesay is an accomplished surgeon with extensive experience in cardiovascular, thoracic, and general procedures.
Biography
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James J. Livesay, M.D., F.A.C.S.
Medical School: Baylor College of Medicine, Houston, Texas, 1973
Specialty Training: Texas Heart Institute; UCLA Center for Health Sciences; M.D. Anderson Cancer Center, Houston
Certification: American Board of Surgery (certified in General Vascular Surgery); American Board of Thoracic Surgery
Academic Appointment: Clinical Associate Professor, University of Texas Medical School, Houston
James J. Livesay, M.D. repairs an aneurysm of the abdominal aorta.

 

James J. Livesay, M.D. repairs an aneurysm of the abdominal aorta. An aneurysm is a bulging in an area of weakened tissue, in this case the wall of the aorta, the largest blood vessel in the body. The abdominal section is the most common site for aneurysmal formation in the aorta. Often these aneurysms result from atherosclerosis, the same process that causes blockages in the coronary arteries.

 

 

  

A highly skilled surgeon with vast experience in performing all types of cardiovascular procedures, including coronary bypass, cardiac valve repair, and aneurysm surgery, Dr. David A. Ott is also very adept at tackling the most complex surgical problems.
Biography
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Personal website

David A. Ott, M.D., F.A.C.S
Medical School: Baylor College of Medicine, Houston, Texas, 1972
Specialty Training: Texas Heart Institute; Baylor Affiliated Hospitals, Houston
Certification: American Board of Surgery (certified in General Vascular Surgery); American Board of Thoracic Surgery
Academic Appointment: Clinical Professor, University of Texas Medical School, Houston and Baylor College of Medicine, Houston
 David A. Ott, M.D., replaces a diseased heart valve during an open heart operation.

 

David A. Ott, M.D., prepares to replace a diseased heart valve during an open heart surgical operation. The valves (four in all) regulate blood flow through the heart. Dr. Ott, director of the Institute's Cardiothoracic Surgery Residency Program, is being observed by a resident who is completing his surgical training at the Texas Heart Institute.

 

 


 

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