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Surgical Technique for Korean Artificial Heart(AnyHeart) Implantation Using a Right Thoracotomy Approach  

Son. Ho-Sung (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Sun, Kyung (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Shin, Jae-Seung (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Lee, Sung-Ho (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Jung, Jae-Seung (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Lee, Hye-Won (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Kim, Kwang-Taik (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Kim, Seung-Chul (Department of Thoracic and Cardiovascular Surgery, HanMaEum Hospital)
Won, Yong-Soon (Department of Thoracic and Cardiovascular Surgery, SoonChunHyang University)
Min, Byoung-Goo (Department of Biomedical Engineering Surgery, Seoul National University)
Kim, Hyoung-Mook (Department of Thoracic and Cardiovascular Surgery / Anesthesiology, Korea University)
Publication Information
Journal of Chest Surgery / v.35, no.5, 2002 , pp. 329-335 More about this Journal
Abstract
Background: The surgical technique for biventricular assist device(BVAD) implantation has mainly consisted of cannulation procedures. A median sternotomy has been the technique of choice as it gives a surgeon an excellent exposure of the heart. However, considering that most patients require a future sternotomy or already have a previous sternotomy, sternotomy-related complication remains a major concern in BVAD implantation. Based on this consideration as well as the clinical experiences of conventional heart surgery, the authors have hypothesized that the cardiac chambers for BVAD cannulation can be approached from the right side of the heart. The purpose of this studs to develop a novel surgical technique of right thoracotomy for BVAD implantation in an animals study. Material and Method: For last two years, 16 (11 calves, 3 canines, and 2 sheep) out of 30 experimental animals with AnyHeart implantation underwent a right thoracotomy. The device was used as an implantable BVAD in 14 animals, a wearable BVAD in 1, and an implantable LVAD in 1. The chest cavity was entered through the 4th intercostal space or the 5th periosteal bed. As for the BVAD use, a right inflow cannula was inserted into the right atrial free wall and a right outflow cannula was grafted onto the main pulmonary artery. A left inflow cannula was inserted into the interatrial groove and a left outflow cannula was grafted on the innominate artery of the ascending aorta. The connecting tubes were brought out through the thoracotomy wound and connected to the pump located in the subcutaneous pocket at the right flank. Result: Except for the 5 animals for a lilting test or during the early learning curve, all recovered smoothly from the procedures. The inflow drainage allowed the pump output 6.5 L/min at the maximum with 3-3.5 L/min in an average. Of the survivors, there noted no procedure-related mortality or morbidity. Necropsy findings demonstrated the well-positioned cannula tips in the each cardiac chamber
Keywords
Surgeny method; Heart assist device; Heart/ artificial;
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