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Suad Keranovic, F. Ljuca, Jasmin Čaluk
0 3. 4. 2009.

CARDIAC OUTPUT AFTER REVASCULARIZATION OF MYOCARDIUM WITHOUT THE USE OF CARDIOPULMONARY BYPASS

Introduction: Cardiac output is the amount of blood pumped out from left ventricle into systemic circulation within one minute, i.e. product of stroke volume and heart rate. Coronary artery disease occurs as a consequence of reduced blood flow to heart muscle due to partial or total coronary artery obstruction by atherosclerosis or coronary thrombosis. Surgical revascularization of myocardium is performed with or without the use of cardiopulmonary bypass. Goal: to find the values of cardiac output, cardiac index, stroke volume, and heart rate before and after surgical revascularization of myocardium. Patients and methods: research was conducted as a retrospective study in Cardiovascular Clinic of University Clinical Centre in Tuzla on a sample of 60 patients subjected to surgical revascularization of myocardium. The first group consisted of 30 patients in which the revascularization was performed without the use of cardiopulmonary bypass, and the second group consisted of 30 patients in which the revascularization was performed witht the use of cardiopulmonary bypass. Haemodynamic parametres were measured and analyzed in all patients before and after the revascularization procedure. Results and Discussion: cardiac output after revascularization of myocardium without the use of cardiopulmonary bypass was increased by 13.62% (p .05), and cardiac index was decreased by 9.25% (p> .05) compared to preoperative values. Conclusion: values of haemodynamic parametres after revascularization of myocardium without the use of cardiopulmonary bypass are significantly better compared to the ones after revascularization of myocardium with the use of cardiopulmonary bypass.


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