Document Detail


Left ventricular geometry and cardiac function during minimally invasive coronary artery bypass grafting.
MedLine Citation:
PMID:  9769008     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: This investigation was designed to study the changes in function and geometry of the left ventricle during two critical steps of minimally invasive direct coronary artery bypass procedures: placement of an epicardial stabilizer and occlusion of the left anterior descending coronary artery. METHODS: Between February 1997 and January 1998, 28 patients underwent bypass grafting with the left internal thoracic artery to the left anterior descending coronary artery (minimally invasive direct coronary artery bypass technique). Transesophageal echocardiography was used for determination of fractional area change and to assess left ventricular (LV) diameters in two dimensions and at the apex. RESULTS: Placement of the epicardial stabilizer resulted in a small decrease in LV end-systolic and end-diastolic dimensions; cardiac function remained unchanged. Subsequent occlusion of the left anterior descending coronary artery caused a moderate decline in cardiac index and fractional area change, an increase in LV diameters, and the development of hypokinetic segments within the LV myocardium. CONCLUSIONS: The use of an epicardial stabilizer provides a safe and effective means to stabilize the operative field during minimally invasive direct coronary artery bypass procedures. Monitoring of LV function by transesophageal echocardiography enhances the safety of such procedures and is highly recommended.
Authors:
M J Jurmann; A K Menon; L Haeberle; S Salehi-Gilani; G Ziemer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  66     ISSN:  0003-4975     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  1998 Sep 
Date Detail:
Created Date:  1998-10-21     Completed Date:  1998-10-21     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1082-6     Citation Subset:  AIM; IM    
Affiliation:
Division of Thoracic, Cardiac and Vascular Surgery, Eberhard Karls University, Tübingen, Germany. m.jurmann@t-online.de
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MeSH Terms
Descriptor/Qualifier:
Aged
Coronary Artery Bypass / methods*
Coronary Disease / physiopathology,  surgery*
Female
Hemodynamics
Humans
Male
Middle Aged
Retrospective Studies
Surgical Procedures, Minimally Invasive
Treatment Outcome
Ventricular Function, Left*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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