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Assessment of continuous cold blood cardioplegia in coronary artery bypass grafting. 1997

Y A Louagie, and E Gonzalez, and J Jamart, and B Malhomme, and S Broka, and M Buche, and P M Eucher, and J C Schoevaerdts
Unit of Cardiovascular, Surgery, University Hospital of Mont-Godinne (Catholic University of Louvain), Mont-Yvoir, Belgium.

BACKGROUND A method of cold blood cardioplegia (CBCP) delivered continuously and in a retrograde manner was compared with methods differing only by their rate (intermittent) or way (antegrade) of administration. METHODS This study comprises 298 consecutive patients undergoing isolated coronary artery bypass grafting procedures performed by the same surgeon from 1992 to 1995. Three-vessel disease characterized 58.8% of the cases, and the left ventricular ejection fraction was less than 0.40 in 22.8%. In group I (n = 100), CBCP was administered in an antegrade and intermittent fashion; in group II (n = 87), CBCP was given in a retrograde and intermittent manner; in group III (n = 111), CBCP delivery was retrograde and continuous. RESULTS The incidence of major cardiac adverse outcome (death or need for intraaortic balloon counterpulsation) was 7.0% in group I, 8.0% in group II, and 0.9% in group III (p = 0.040). Repeated-measures analysis of hemodynamic indices showed a marked superiority of continuous retrograde compared with antegrade intermittent blood cardioplegia regarding left ventricular stroke work index (p < 10(-4)) and compared with both methods of intermittent CBCP regarding right ventricular stroke work index (p < 10(-5)). CONCLUSIONS The use of continuous CBCP resulted in a significant reduction in major cardiac events, better left ventricular performance, and a marked improvement of right ventricular function in comparison with similar solutions of blood cardioplegia administered intermittently, independent of their way of delivery.

UI MeSH Term Description Entries
D007423 Intra-Aortic Balloon Pumping Counterpulsation in which a pumping unit synchronized with the patient's electrocardiogram rapidly fills a balloon in the aorta with helium or carbon dioxide in early diastole and evacuates the balloon at the onset of systole. As the balloon inflates, it raises aortic diastolic pressure, and as it deflates, it lowers aortic systolic pressure. The result is a decrease in left ventricular work and increased myocardial and peripheral perfusion. Pumping, Intra-Aortic Balloon,Intraaortic Balloon Pumping,Balloon Pumping, Intra-Aortic,Balloon Pumping, Intraaortic,Intra Aortic Balloon Pumping,Pumping, Intra Aortic Balloon,Pumping, Intraaortic Balloon
D008297 Male Males
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D004796 Clinical Enzyme Tests Analyses for a specific enzyme activity, or of the level of a specific enzyme that is used to assess health and disease risk, for early detection of disease or disease prediction, diagnosis, and change in disease status. Enzyme Tests, Clinical,Clinical Enzyme Test,Enzyme Test, Clinical,Test, Clinical Enzyme,Tests, Clinical Enzyme
D005260 Female Females
D006324 Heart Arrest, Induced A procedure to stop the contraction of MYOCARDIUM during HEART SURGERY. It is usually achieved with the use of chemicals (CARDIOPLEGIC SOLUTIONS) or cold temperature (such as chilled perfusate). Cardiac Arrest, Induced,Cardioplegia,Induced Cardiac Arrest,Induced Heart Arrest,Cardioplegias
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001026 Coronary Artery Bypass Surgical therapy of ischemic coronary artery disease achieved by grafting a section of saphenous vein, internal mammary artery, or other substitute between the aorta and the obstructed coronary artery distal to the obstructive lesion. Aortocoronary Bypass,Bypass, Coronary Artery,Bypass Surgery, Coronary Artery,Coronary Artery Bypass Grafting,Coronary Artery Bypass Surgery,Aortocoronary Bypasses,Artery Bypass, Coronary,Artery Bypasses, Coronary,Bypass, Aortocoronary,Bypasses, Aortocoronary,Bypasses, Coronary Artery,Coronary Artery Bypasses

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