Cardiac protection with systemic hyperkalemia in reoperations with patent grafts.

Abstract	A 68-year-old man with a history of coronary artery bypass graft surgery was admitted for ascending aorta replacement. Preoperative coronary computed tomography angiography revealed occlusion of the three coronary arteries. Perfusion of all three coronary vessels was achieved using a T-graft from the right gastroepiploic and radial arteries, which were anastomosed to the right coronary artery and posterolateral artery, respectively. The patient underwent ascending aorta replacement, with hyperkalemia and hypothermia for myocardial protection. Systemic hyperkalemia was useful to maintain cardiac arrest and also to monitor effective perfusion of the myocardium through the bypass grafts.
Authors	Daijiro Hori, Kenichiro Noguchi, Yohei Nomura, Alan Lefor, Hiroyuki Tanaka
Journal	The Annals of thoracic surgery (Ann Thorac Surg) Vol. 94 Issue 2 Pg. 641-3 (Aug 2012) ISSN: 1552-6259 [Electronic] Netherlands
PMID	22579886 (Publication Type: Case Reports, Journal Article)
Copyright	Copyright © 2012 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
Topics	Aged Aortic Aneurysm, Thoracic (complications, surgery) Coronary Stenosis (complications, surgery) Gastroepiploic Artery (transplantation) Heart Diseases (prevention & control) Humans Hyperkalemia Male Postoperative Complications (prevention & control) Radial Artery (transplantation) Reoperation Vascular Patency

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