Comparison of two technics of extracorporeal circulation (Conventional and Mini ECC), in the trans and post-operative periods of cardiac surgery

Abstract

ObjectiveThis study aimed to compare the effects of two different perfusion techniques: conventional cardiopulmonary bypass and miniature cardiopulmonary bypass in patients undergoing cardiac surgery at the University Hospital of Santa Maria - RS.MethodsWe perform a retrospective, cross-sectional study, based on data collected from the patients operated between 2010 and 2013. We analyzed the records of 242 patients divided into two groups: Group I: 149 patients undergoing cardiopulmonary bypass and Group II - 93 patients undergoing the miniature cardiopulmonary bypass.ResultsThe clinical profile of patients in the preoperative period was similar in the cardiopulmonary bypass and miniature cardiopulmonary bypass groups without significant differences, except in age, which was greater in the miniature cardiopulmonary bypass group. The perioperative data were significant of blood collected for autotransfusion, which were higher in the group with miniature cardiopulmonary bypass than the cardiopulmonary bypass and in transfusion of packed red blood cells, which was higher in cardiopulmonary bypass than in miniature cardiopulmonary bypass. In the immediate, first and second postoperative period the values of hematocrit and hemoglobin were higher and significant in miniature cardiopulmonary bypass than in the cardiopulmonary bypass, although the bleeding in the first and second postoperative days was higher and significant in miniature cardiopulmonary bypass than in the cardiopulmonary bypass.ConclusionThe present results suggest that the miniature cardiopulmonary bypass was beneficial in reducing the red blood cell transfusion during surgery and showed slight but significant increase in hematocrit and hemoglobin in the postoperative period.

Conventional or minimized cardiopulmonary bypass support during coronary artery bypass grafting? – An analysis by means of perfusion and body mass index

“…In a comparable cohort analyzed by Perthel et al patients on MCPB support showed higher hemoglobin levels and reduced postoperative hemorrhage . These findings were confirmed in 2015 by Pereira et al who reported reduced erythrocyte transfusion rates and increased postoperative hematocrit and hemoglobin levels after CABG with MCPB systems . In this study, the difference of hemoglobin between conventional and minimized bypass circuits was only about 1 g/dL.…”

“…Studies comparing conventional and minimized bypass circuits for CABG focus on the read out such as mortality, stroke, need for perioperative blood component transfusion, myocardial damage, atrial fibrillation, renal failure, and inflammatory response triggered by the extracorporeal circuit . To our knowledge, this is the first study that analyses differences between conventional and minimized cardiopulmonary bypass systems by means of perfusion parameters and their course during extracorporeal support.…”

Minimally invasive versus conventional extracorporeal circulation circuits in patients undergoing coronary artery bypass surgery: a propensity-matched analysis

“…12 With regard to the issue of blood transfusions, our results are consistent with those of other authors, who report lower rates of blood transfusions in patients operated with the use of MiECC systems. 2,13,14 The issue of blood transfusion after cardiac surgery has been extensively discussed in literature. Low haemoglobin levels have been shown to be associated with myocardial injury, increased inotrope requirements, neurologic dysfunction and stroke, renal dysfunction and postoperative dialysis, prolonged ventilation, and increased perioperative mortality.…”

Delirium in Children after Cardiac Surgery: Brain Resuscitation

“…In the conditions of modern anesthetic technology and perfusion, a considerable amount of information has accumulated on various methods of preventing SIR, which are effective to a greater or lesser extent. We offer an overview of the most commonly used methods for the prevention of SIR (see Table 2) [43,[78][79][80][81][82][83][84][85][86][87][88][89].…”