Effectiveness of combined regional-general anesthesia for reducing mortality in coronary artery bypass: meta-analysis / Efetividade da associação da anestesia regional à anestesia geral na redução da mortalidade em revascularização miocárdica: metanálise
Barbosa, Fabiano Timbó; Cunha, Rafael Martins da; Ramos, Fernando Wagner da Silva; Lima, Fernando José Camello de; Rodrigues, Amanda Karine Barros; Galvão, Ailton Mota do Nascimento; Sousa-Rodrigues, Célio Fernando de; Lima, Paula Monique Barbosa.
Rev. bras. anestesiol
; 66(2): 183-193, Mar.-Apr. 2016. tab, graf
Artículo
en Inglés
| LILACS | ID: lil-777417
ABSTRACT BACKGROUND AND
OBJECTIVES:
Neuraxial anesthesia (NA) has been used in association with general anesthesia (GA) for coronary artery bypass; however, anticoagulation during surgery makes us question the viability of benefits by the risk of epidural hematoma. The aim of this study was to perform a meta-analyzes examining the efficacy of NA associated with GA compared to GA alone for coronary artery bypass on mortality reduction.METHODS:
Mortality, arrhythmias, cerebrovascular accident (CVA), myocardial infarction (MI), length of hospital stay (LHS), length of ICU stay (ICUS), reoperations, blood transfusion (BT), quality of life, satisfaction degree, and postoperative cognitive dysfunction were analyzed. The weighted mean difference (MD) was estimated for continuous variables, and relative risk (RR) and risk difference (RD) for categorical variables.RESULTS:
17 original articles analyzed. Meta-analysis of mortality (RD = -0.01, 95% CI = -0.03 to 0.01), CVA (RR = 0.79, 95% CI = 0.32-1.95), MI (RR = 0.96, 95% CI = 0.52-1.79) and LHS (MD = -1.94, 95% CI = -3.99 to 0.12) were not statistically significant. Arrhythmia was less frequent with NA (RR = 0.68, 95% CI = 0.50-0.93). ICUS was lower in NA (MD = -2.09, 95% CI = -2.92 to -1.26).CONCLUSION:
There was no significant difference in mortality. Combined NA and GA showed lower incidence of arrhythmias and lower ICUS.
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