Cardiology · 2020
Preoperative Use of Intra-Aortic Balloon Pump Support Reduced 30-Day Mortality in a Population with LVEF >35% and High Surgical Risk after Coronary Artery Bypass Graft Surgery.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Escutia-Cuevas Héctor Hugo, Suárez-Cuenca Juan Antonio, Espinoza-Rueda Manuel Armando, Macedo-Calvillo Lecsy, Castro-Gutiérrez Armando, García-García Juan Francisco, García-Ortegón Maria Del Sol, Robledo Rogelio, Mondragón-Terán Paul
Аннотация
INTRODUCTION: The intra-aortic balloon pump (IABP) is used to prevent complications after coronary artery bypass grafting (CABG) surgery, although some results are controversial and basal ventricular function may play a role. This study assessed the benefit of preoperative use of IABP, as stratified by the ventricular function, in a population submitted to high-surgical-risk CABG.
METHODS: Patients >18 years old, with multiple coronary artery disease and thus candidates for CABG, were included. Cardiogenic shock, acute myocardial infarction (AMI), acute ventricle mechanical dysfunction, severe aortic regurgitation, tachyarrhythmia, massive pulmonary embolism, coagulopathy, or low life expectancy were exclusion criteria.
RESULTS: One hundred and twenty-nine patients aged 65 years old with hypertension, dyslipidemia, type 2 diabetes mellitus, and mean left ventricular ejection fraction (LVEF) 46% constituted the study population. No difference was observed at 30-day mortality endpoint (IABP vs. no IABP, 17 vs. 24%, OR 0.63, p = 0.20; AMI 25 vs. 31%, OR 0.75, p = 0.29). After LVEF stratification, the subgroup of 48 (75%) patients under IABP support and LVEF >35% had a reduced 30-day mortality risk (LVEF ≤35% vs. LVEF >35%, 37.5 vs. 10.4%, OR 0.3, p = 0.03), independently from potential confounders and showing an interaction with European System for Cardiac Operative Risk Evaluation-II (EuroSCORE-II). At secondary endpoints, IABP use was associated with a lower prevalence of acute renal failure and renal replacement therapy, but with a longer stay in the intensive care unit and longer hospitalization time.
CONCLUSION: The preoperative use of IABP was associated with an independent reduction of 30-day mortality risk in cases with LVEF >35% in a population submitted to high-surgical-risk CABG. Likewise, the use of IABP was associated with a lower risk of postoperative renal complications.
METHODS: Patients >18 years old, with multiple coronary artery disease and thus candidates for CABG, were included. Cardiogenic shock, acute myocardial infarction (AMI), acute ventricle mechanical dysfunction, severe aortic regurgitation, tachyarrhythmia, massive pulmonary embolism, coagulopathy, or low life expectancy were exclusion criteria.
RESULTS: One hundred and twenty-nine patients aged 65 years old with hypertension, dyslipidemia, type 2 diabetes mellitus, and mean left ventricular ejection fraction (LVEF) 46% constituted the study population. No difference was observed at 30-day mortality endpoint (IABP vs. no IABP, 17 vs. 24%, OR 0.63, p = 0.20; AMI 25 vs. 31%, OR 0.75, p = 0.29). After LVEF stratification, the subgroup of 48 (75%) patients under IABP support and LVEF >35% had a reduced 30-day mortality risk (LVEF ≤35% vs. LVEF >35%, 37.5 vs. 10.4%, OR 0.3, p = 0.03), independently from potential confounders and showing an interaction with European System for Cardiac Operative Risk Evaluation-II (EuroSCORE-II). At secondary endpoints, IABP use was associated with a lower prevalence of acute renal failure and renal replacement therapy, but with a longer stay in the intensive care unit and longer hospitalization time.
CONCLUSION: The preoperative use of IABP was associated with an independent reduction of 30-day mortality risk in cases with LVEF >35% in a population submitted to high-surgical-risk CABG. Likewise, the use of IABP was associated with a lower risk of postoperative renal complications.