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Title: Video-endoscopic dissection of multiple pedicled arterial grafts for use in minimally invasive coronary artery bypass surgery
Authors: Gomes, Walter José [UNIFESP]
Goldenberg, Alberto [UNIFESP]
Buffolo, Enio [UNIFESP]
Losso, Luis Carlos [UNIFESP]
Marcondes, Wagner [UNIFESP]
Rolla, F.
Imaeda, Carlos Jogi [UNIFESP]
Palma, J. H.
Goldenberg, Saul [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: coronary artery bypass methods
surgical procedures minimally invasive
arteries transplantation
thoracic arteries
Issue Date: 1-Feb-2000
Publisher: Edizioni Minerva Medica
Citation: Journal Of Cardiovascular Surgery. Turin: Edizioni Minerva Medica, v. 41, n. 1, p. 7-9, 2000.
Abstract: Background We evaluated the possibility of video-endoscopic dissection of both internal thoracic arteries (ITAs) through the left thoracic approach and right gastroepiploic artery (GEA) via a small laparoscopic access, for use in minimally invasive coronary artery bypass surgery.Methods. The procedure was performed on twenty-two mongrel dogs. Three 10 mm ports were inserted in the left hemithorax to enable the introduction of a rigid 0-degree videoscope and forceps which allowed access to the left and right ITAs. For dissection of the GEA, one 10 nun and two 5 nun ports were inserted in the paraumbilical region.Results. The left and right ITAs and the GEA were easily visualized and dissection and complete mobilization was achieved without injury, which was checked by the presence of good blood now. The ITAs and GEA were divided distally, exteriorized through a small left anterior thoracotomy and the length of these three grafts were able to reach all of the left coronary artery branches.Conclusions, We have demonstrated, in dogs, the feasibility of video-assisted dissection of both the left and right ITAs through the left thoracic approach, without sternotomy, avoiding the risks of sternal complications and expanding its use for all patients. Furthermore, a third arterial conduit (the RGA) can be used without requiring laparotomy.
ISSN: 0021-9509
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