Lawrence Greiten

Lawrence Greiten, MD, serves as an Assistant Professor in the Division of Congenital Cardiac Surgery at the University of Arkansas for Medical Sciences (UAMS) and Arkansas Children's Hospital (ACH), where he has practiced since joining in 2018. Board certified by both the American Board of Surgery and American Board of Thoracic Surgery, he treats neonatal, pediatric, and adult patients with congenital heart diseases across the clinical spectrum.

His educational credentials include:

• Medical Degree from University of Arizona College of Medicine (2008)
• Residency at Mayo Clinic College of Medicine and Science Program (Rochester) (2017)
• Master's in Biomedical Sciences, Clinical and Translational Science from Mayo Clinic Graduate School of Biomedical Sciences (2016)
• Fellowship in Congenital Cardiac Surgery at Children's Hospital of Los Angeles Program (2018)

Dr. Greiten's research program centers on neurodevelopmental outcomes in children with congenital heart defects including hypoplastic left heart syndrome, Tetralogy of Fallot, and Trisomy 21. His work integrates thromboprophylaxis for mechanical/bioprosthetic valves, minimally invasive surgical innovation, and post-operative critical care optimization. This translational focus aims to enhance long-term quality of life through surgical advancements and quality improvement initiatives for complex congenital heart disease patients.

Professional affiliations include the Society of Thoracic Surgeons, American Heart Association, American Association of Thoracic Surgery, and both Southern and Eastern Cardiothoracic Surgery Societies, where he has presented nationally and internationally as a recognized expert in novel anticoagulants for mechanical heart valve patients.