Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1016/j.bjan.2012.12.004
Brazilian Journal of Anesthesiology
Scientific Article

Sufentanil intratecal para revascularização do miocárdio

Intrathecal sufentanil for coronary artery bypass grafting

Caetano Nigro Neto; Jose Luiz Gomes do Amaral; Renato Arnoni; Maria Angela Tardelli; Giovanni Landoni

http://dx.doi.org/10.1016/j.bjan.2012.12.004 Braz J Anesthesiol, vol.64, n2, p.73-78, 2014
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Resumo

Contexto: pacientes de cirurgia cardíaca submetidos a revascularização do miocárdio com circulação extracorpórea. Objetivo: avaliar o efeito hemodinâmico da adição de sufentanil intratecal para anestesia geral. Desenho: estudo prospectivo, randômico e aberto, após aprovação do Comitê de Ética em Pesquisa. Cenário: estudo monocêntrico feito no Instituto Dante Pazzanese de Cardiologia, São Paulo, Brasil. Pacientes: foram submetidos à revascularização eletiva 40 pacientes de ambos os sexos que assinaram o termo de consentimento informado. Critérios de exclusão: doença renal crônica, procedimentos de emergência, reoperações, contraindicação para raquianestesia, fração de ejeção do ventrículo esquerdo inferior a 40%, índice de massa corporal acima de 32 kg/m2 e uso de nitroglicerina. Intervenções: os pacientes foram randomizados para receber (ou não) 1μg/kg de sufentanil intratecal. Anestesia foi induzida e mantida com infusão contínua de sevoflurano e remifentanil. Principais medidas de desfecho: variáveis hemodinâmicas, níveis sanguíneos de troponina I cardíaca, peptídeo natriurético do tipo B, interleucina-6 e fator de necrose tumoral alfa durante e após a cirurgia. Resultados: os pacientes do grupo sufentanil precisaram de menos suporte inotrópico com dopamina, comparados aos do grupo controle (9,5% vs 58%, p = 0,001), e menos aumentos de doses de remifentanil (62% vs 100%, p = 0,004). Os dados hemodinâmicos em oito intervalos de tempo diferentes e os dados bioquímicos não apresentaram diferenças entre os grupos. Conclusões: os pacientes que receberam sufentanil intratecal apresentaram uma estabilidade hemodinâmica maior, como sugerido pelo suporte inotrópico reduzido, e menos ajustes nas doses intravenosas de opiáceos.

Palavras-chave

Cirurgia cardíaca, Raquianestesia, Sufentanil, Interleucina 6

Abstract

Context: Cardiac surgery patients undergoing coronary artery bypass grafting with cardiopulmonary bypass. Objective: Evaluate the effect of adding intrathecal sufentanil to general anesthesia on hemodynamics. Design: Prospective, randomized, not blinded study, after approval by local ethics in Research Committee. Setting: Monocentric study performed at Dante Pazzanese Institute of Cardiology, Sao Paulo, Brazil. Patients: 40 consenting patients undergoing elective coronary artery bypass, both genders. Exclusion criteria: Chronic kidney disease; emergency procedures; reoperations; contraindication to spinal block; left ventricular ejection fraction less than 40%; body mass index above 32 kg/m2 and use of nitroglycerin. Interventions: Patients were randomly assigned to receive intrathecal sufentanil 1 μg/kg or not. Anesthesia induced and maintained with sevoflurane and continuous infusion of remifentanil. Main outcome measures: Hemodynamic variables, blood levels of cardiac troponin I, B-type natriuretic peptide, interleukin-6 and tumor necrosis factor alfa during and after surgery. Results: Patients in sufentanil group required less inotropic support with dopamine when compared to control group (9.5% vs 58%, p = 0.001) and less increases in remifentanil doses (62% vs 100%, p = 0.004). Hemodynamic data at eight different time points and biochemical data showed no differences between groups. Conclusions: Patients receiving intrathecal sufentanil have more hemodynamical stability, as suggested by the reduced inotropic support and fewer adjustments in intravenous opioid doses.

Keywords

Cardiac surgery, Spinal anesthesia, Sufentanil, Interleukin 6

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