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video (9)
Repair of a Non-coronary Sinus of Valsalva Aneurysm Rupture
videoA brief patient history is given, followed by preoperative imaging, intraoperative repair, and postoperative imaging.
Sinus Venosus ASD Repair
videoThis video demonstrates a sinus venosus ASD repair with the two patch repair technique. Authors: Emily Goodman; Brian Reemtsen, MD; Markus Renno, MD; Christian Eisenring, ACNP-BC; Lawrence Greiten, MD University of Arkansas for Medical Sciences College of Medicine, Little Rock, AR Arkansas Children's Hospital, Little Rock, AR
Pulmonary Valve Replacement
videoThis video highlights a pulmonary valve replacement in a patient with Tetralogy of Fallot.
Complete Repair of Total Anomalous Venous Return
videoComplete repair of a total anomalous pulmonary venous return. Also shown is a primary closure of a patent foramen ovale and patent ductus arteriosus. The patient is placed on cardiopulmonary bypass (CPB) in the standard fashion. The patient is then crash cooled to 20 degrees celsius with ice placed on the head and administration of steroids. Antegrade cardioplegia is then administered. The large confluent vein (vertical vein) is dissected and an arteriotomy is made, a subsequent atriotomy is made in the left atrial appendage. A side to side anastomosis using polypropylene suture in a continuous running fashion. The right atrium is then opened and the patent foramen ovale is closed. The patient was warmed to a satisfactory temperature and once adequate hemostasis was achieved the vertical vein is ligated at its insertion into the innominate vein.
Minimal incision Partial Sternotomy ASD Repair
videoThis video showcases a minimal incision, partial sternotomy exposure for complete ASD patch repair performed at Arkansas Children's Hospital.
Sinus Venosus ASD Repair
videoThis video demonstrates a sinus venosus ASD repair with the two patch repair technique. Authors: Emily Goodman; Brian Reemtsen, MD; Markus Renno, MD; Christian Eisenring, ACNP-BC; Lawrence Greiten, MD University of Arkansas for Medical Sciences College of Medicine, Little Rock, AR Arkansas Children's Hospital, Little Rock, AR
Pulmonary Valve Replacement
videoThis video highlights a pulmonary valve replacement in a patient with Tetralogy of Fallot.
Minimal Incision Partial Sternotomy ASD Repair
videoThis video showcases a minimal incision, partial sternotomy exposure for complete ASD patch repair performed at Arkansas Children's Hospital.
Non-fenestrated Extracardiac Fontan
videoThis video demonstrates a non-fenestrated extracardiac fontan. This is the final step in palliation of hypoplastic left heart syndrome. Authors: Ethan Chernivec; Chris Eisenring, ACNP-BC; Lawrence Greiten, MD; Brian Reemtsen, MD. Arkansas Children's Hospital, Department of Pediatric Cardiothoracic Surgery, Little Rock, AR University of Arkansas for Medical Sciences College of Medicine, Little Rock, AR
webinar (1)
Three Stage Management of the Single Ventricle
webinar
In this session our team of experts will discuss the three stages of single ventricle palliation including the Norwood procedure, the bidirectional Glenn shunt and the Fontan procedure. Included in this webinar will be single ventricle pathophysiology, diagnostic studies/imaging, indications and contraindications for palliation, timing of surgical intervention, and overview of surgical goals and associated mortality.


Assistant Professor in Division of Congenital Cardiac Surgery
Arkansas Children's Hospital (ACH) and the University of Arkansas for Medical Sciences (UAMS)
Lawrence Greiten, M.D., is an Assistant Professor in the Division of Congenital Cardiac Surgery at Arkansas Children’s Hospital (ACH) and the University of Arkansas for Medical Sciences (UAMS). Dr. Greiten received his undergraduate degree from Kansas Wesleyan University and his medical degree from the University Of Arizona College Of Medicine. He completed both his General Surgery training and Cardiovascular and General Thoracic Surgery fellowship at the Mayo School of Graduate Medical Education, where he also earned a Masters in Biomedical Sciences, Clinical and Translational Science. He did an advanced Fellowship in Congenital Cardiac Surgery at Children’s Hospital Los Angeles, Keck Medical School at the University of Southern California.
Research Intern
Arkansas Children’s Research Institution / University of Arkansas for Medical Sciences
Sophia is a Pre-Medical Track student that recently graduated with a traditional BA-Biology degree and a minor in Medical Humanities. She is always seeking to expand her knowledge and gain exposure to pediatric research in hopes of bettering herself as an aspiring physician and continuing research in the future.


CVOR Surgical Assistant Chief
Arkansas Children's Hospital
Over 28 years of adult and congenital heart surgery experience. I have helped develop a minimally invasive and robotic surgery program at UCLA. In addition, I have been involved with Ex-Vivo heart and lung preservation trials and several drug trials.
Professor, Department of Surgery / Director, Heart Institute
UAMS College of Medicine / Arkansas Children’s Hospital
Brian Reemtsen, M.D. is a Professor at the University of Arkansas for Medical Sciences in the Division of Pediatric Cardiothoracic Surgery at Arkansas Children’s Hospital. He is also Director of the Heart Institute at Arkansas Children’s Hospital. He received his undergraduate degree from the University of California at Los Angeles (UCLA), and his medical degree from New York Medical College. He completed his internship and residency at UCLA School of Medicine. He then completed fellowships at the University of Washington, as well as the Great Ormond Street Hospital in London, England.
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